Yuhong Group Co.,Ltd

Yuhongwell was founded jointly with Yuhong Group with a total investment of 5 million USD. Located in  Zhejiang Province, and our factory Zhongwu Tube & Jinlong Stainless Steel Pipe covers an area of 60,000 m2 and manufactures 10,000 tons of stainless steel pipes annually with seamless stainless steel pipe series as its dominating product. In order to satisfy local and oversea stainless steel development need, Zhongwu Tube &Jinlong Stainless Steel Pipe  has imported production testing instrument and physical & chemical analysis equipment, including Spark direct-reading spectrograph, fully automatic UT fault detection unit, fully automatic ET fault detection unit, trough type eddy-current & ultrasonic fault detection unit, hydraulic testing machine, micro-computer screen universal marterial testing machine, impact testing machine, high-amplification metallurgical microscope etc. The products are widely used in the fields of petroleum, aviation, smelting, food, water conservancy, chemical and pharmaceutical equipment etc.

The company has actively carried out the construction of modern corporate system, followed the concept of sustainable development and brand operation and specially attached importance to the investment and management in environmental protection and quality control. Zhongwu Tube &Jinlong Stainless Steel Pipe  has consecutively been certified with a series of standard attestation including ISO-9001: 2008 Quality Management System, PED and TS, and obtained factory certification of CCS, ABS, LR, GL, BV, DNV and NK for surveying society. These certifications have upgraded the enterprise to international advanced level in the fields of integrated management system covering management, manufacturing, purchase, quality control, product sales and after-sales service.

The company boasts strong financial position, advanced technologies, advanced manufacturing technique, complete test instrument, perfect quality control system and global-reaching marketing network. It has continuously absorbed new manufacturing technologies and developed more types of stainless steel pipes for different applications, in order to satisfy the needs of different customers. At the same time, the brand competitiveness has been enhanced.Zhongwu Tube &Jinlong Stainless Steel Pipe will proceed from the operation concept of “Attitude is Decisive to All and Details Determine Result”, the corporate spirituality of “Seek the Truth, Make Innovation and Move ahead” and the corporate tenet of “Survive by Quality and Develop with Integrity” to serve all customers earnestly and achieve a win-win result.

Yuhongwell is branch company of Yuhong Group, and factory Zhejiang Zhongwu Steel Tube manufacturing Co.,Ltd all goods will export by Yuhongwell . Yuhongwell has gained a nice experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past eight years. Within this short span of time, Yuhongwell has marked its global presence in more than 35 countries. We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers an stockists round the world. 

Yuhong Group Co.,Ltd deal with pipeline products , our goods was width used in oil, gas, petroleum, onshore, offshore, maire, water &fluid, ship building, chemical plant, refineries, boiler & heat exchanger, Cooling , ....

Our Major products:Stainless Steel Capillary Tube,Stainless Steel Bright Annealed Tube,Stainless Steel Seamless Pipe/Tube ASTM A269,Stainless Steel Heat Exchange Tube,Stainless Steel Welded Tube (ASTM A249/A312/A778) ,Austenitic Steel Pipe/Tube(ASTM A213/A249/ A269/A312/A511/A778/A789/A790),

Duplex Steel Pipe(S31803,2205, S32750, S32760), Stainless Steel Coil Tube, Stainless Steel Boiler Tube , Stainless Steel U- Bend Tube,Stainless Steel Seamless Pipe/Tube(TP304,TP304L, TP304H, TP304N, TP309S, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, UNS8904L, UNS31803, 2205,UNS32750, UNS3276, TP405, TP409, TP410, TP420, TP430S, TP444, TP446)...... And Carbon Steel Seamless Pipe/tube (ASTM A53/A106/API 5L), Carbon Steel Boiler Tube(ASTM A178/A179/A192/A214), Alloy Steel Ppe(A333 Gr.6, A209, A210 A1 ), Alloy Steel Pipe(A213 T1, T11, T1, T22,T12, P5, P9, P91), Stainless Steel fitting /flange, valve. Carbon Steel Fitting/flange/valve, Alloy Steel Fitting/flange. Stainless Steel Bar(ASTM A276/A484).

ASTM/ASME Standards
ASTM A 213/A 213M ASME SA213/SA213M Specification for Seamless Ferric and Austenitic Alloy-Steel Boiler, Su[perheater, and Heat-Exchanger Tubes
ASTM A 249/A 249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser tubes
ASTM A268/A268M, ASME SA268/SA268M Specification Seamless and welded ferritic and martensitic stainless steel tubing for general service
ASTM A269/A269M, ASME SA269/SA269M Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
ASTM A 270 Specification for Seamless and Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tubing
ASTM A312/A312M, ASME SA312/SA312M Specification for Seamless and Welded Austenitic Stainless Steel Pipes
ASTM A 358/A 358M Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service
ASTM A376/A376M, ASME SA376/SA376M Seamless austenitic steel pipes for high-temperature central-station service
ASTM A409/SA409 Welded Large Diameter Austenitic Steel Pipe for Corrosive or High Temperature Service
ASTM A 450/A 450M Specificaion for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes
ASTM A 511 Specification for Seamless Stainless Steel Mechanical Tubing
ASTM A 530/ A 530M Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
ASTM A 554 Specification for Welded Stainless Steel Mechanical Tubing
ASTM A 688 / SA 688 For Welded feed water heater ‘U’ Tubes
ASTM A731 / A731M Seamless and Welded Ferritic and Martensitic Stainless Steel Pipe
ASTM A 778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products
ASTM A789/A789M, ASME SA789/SA789M Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
ASTM A790/A790M, ASME SA790/SA790M Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A791 / A791M Welded Un-annealed Ferritic Stainless Steel Tubing
ASTM A 999/A 999M Specification for General Requirements for alloy and Stainles Steel Pipe

BS-Standards
BS 3059 Steel boiler and super heater tubes
BS 3605 Austenitic stainless steel pipes and tubes for pressure purposes
BS 3606 Steel tubes for heat exchangers

NF-Standards
NF A 49-117 Seamless ferritic and austenitic stainless steel tubes for general service
NF A 49-217 Seamless ferritic, austenitic, and ferritic-austenitic stainless steel tubes for heat exchangers
NF A 49-317 Seamless plain-end austenitic stainless steel mechanical tubing

German-Standards
DIN 17456 Seamless circular austenitic stainless steel tubes for general service
DIN 17457 Welded circular austenitic stainless steel tubes subject to special requirements
DIN 17458 Seamless circular austenitic stainless steel tubes subject to special requirements
DIN 17459 Seamless circular high-temperature austenitic stainless steel tubes
DIN 28180-85 Seamless steel tubes for tubular heat exchangers
DIN EN ISO 1127 Seamless stainless steel tubes (Dimensions and weights)

EN Standards
EN 10216-5 Welded Stainless Steel Tube
EN 10216-7 Seamless Stainless Steel Tube

Australian Standards
AS 1528 Tubes (Stainless Steel) and Tube Fittings for the Food Industry.

JIS-Standards
JIS G 3447 Stainless Steel Sanitary Pipes
G 3448 Light Gauge Stainless Steel Tubes for Ordinary Piping
G 3459 Stainless Steel Pipes
G 3468 Large Diameter Welded Stainless Steel Pipes
G 3463 Stainless Steel Boiler and Heat Exchanger Tubes
G 3446 Stainless Steel Pipes for Machine and Structural Purposes

GOST
GOST 9940 Seamless stainless steel tubes, hot finished(5-273 mm)
GOST 9941 Seamless stainless steel tubes, cold and hot finished(5-273 mm)

SEW 400 Stainless steels
AD 2000-W2 Materials for pressure vessels - austenitic stainless steels
UNI 6904 Seamless tubes of special alloyed corrosion and heat resisting stainless steel


STAINLESS STEEL PIPE FITTINGS AND FLANGES
ASTM A182 / A182M Forged or Rolled Alloy Steel Pipe Flanges, Forged Fittings and Values and Parts for High Temperature Service
ASTM A403 / A403M Wrought Austenitic Stainless Steel Piping Fittings
ASTM A530 / A530M General Requirements for Specialised Carbon and Alloy Steel Pipe
ASTM A815 / A815M Wrought Ferritic, Ferritic / Austenitic and Martensitic Stainless Steel Piping Fittings
ASTM A276 Stainless and Heat Resisting Steel Bars and Shapes
ASTM A351 / A351M Steel Castings, Austenitic, for High Temperature Service
AS 2129 Flanges for Pipes, Values and Fittings
ANSI / ASME B 1.20.1 Pipe threads, general purpose (inch)
ANSI B 16.3 Malleable iron threaded fittings
ANSI B 16.5 Steel pipe flanges and flanged fittings
ANSI B 16.9 Factory made wrought steel butt welding fittings
ANSI B 16.11 Forged steel fittings wocket-welding and threaded
ANSI B 16.25 Butt-welding ends
ANSI B 16.28 Wrought steel butt welding short radius elbows and returns

Austenitic:
TP310S(0Cr25Ni20, 2520),
TP314(1Cr25Ni20Si2),
TP304(0Cr18Ni9),
TP321H(0Cr18Ni11Ti),
904L (00Cr20Ni25Mo4.5Cu,UNS N08904),
TP317L(00Cr19Ni13Mo3),
TP317(0Cr19Ni13Mo3)
TP347(0Cr18Ni11Nb)
TP347H(1Cr19Ni11Nb)
TP321(0Cr18Ni10Ti),
TP304H(1Cr18Ni9),
C4(00Cr14Ni14Si4),
316Ti(0Cr18Ni12Mo2Ti),
TP304L(00Cr19Ni10)
TP316(0Cr17Ni12Mo2),
TP316L(00Cr17Ni14Mo2),
S31254(00Cr20Ni18Mo6CuN）

Duplex:
UNSS31803 (00Cr22Ni5Mo3N SAF2205),
UNS S32304 (00Cr23Ni4N SAF2304),
UNS S32750 (00Cr25Ni7Mo4N SAF 2507)

Martensitic:TP410(1Cr13),TP420(2Cr13,3Cr13)

Ferritic:TP430(1Cr17),TP405(0Cr13Al)

Alloy: Monel 400,800/800H, Hastelloy C-276

Urea Grade: TP316L (00Cr18Ni14Mo3) S31050 (00Cr25Ni22Mo2N)

Standard: ASTM/ASME A/SA312,ASTM/ASME SA/A213,ASTM A269,ASTM A511,ASTM A789
ASTM A790,ASTM A268,ASTM A450/A450M
JIS G3459, JIS G3463, DIN 17456, DIN 17458 ,EN 10216-5, GB/T14975-2002, GB/T14976-2002, GB13296-91,GB 5310, etc.

The application fields covered Oil & Gas, Heat Exchanger, Petro-Chemical, Chemical, Shipbuilding, Pulp & Paper, Instrumentation, Automobile, and, food & Pharmaceutic, Nuclear Power Station, Off-shore Platform, Engineering, and etc.

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ASTM A53/A 53M-Pipe, Steel, Black and Hot-Dipped,Zinc-Coated,Welded and Seamless
ASTM A106-Seamless Carbon Steel Pipe for High-Temperature Service
ASTM A179 / A179M-Seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes
ASTM A192 / A192M-Seamless Carbon Steel Boiler Tubes for High-Pressure Service
ASTM A209 / A209M-Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
ASTM A210 /A210M Seamless medium-carbon steel boiler and superheater tubes
ASTM A213 / SA213-Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A333/333M Seamless and Welded Steel Pipe for Low Temperature Service
ASTM A334/A334M Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Services
ASTM A335/A335M Seamless Ferritic Alloy-Steel PIpe for High-Temperture Service
ASTM A450/A450M General Requirements for Carbon,Ferritic Alloy, and Austenitic Alloy Steel Tubes
ASTM A500 Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
ASTM A513 Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing
ASTM A519 Seamless Carbon and Alloy Mechanical Tubing
ASTM A530/A530M General Requirements for Specialized Carbon and Alloy Steel Pipes
ASTM A556 / A556M Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes
ASME SA423 "Corten"-ERW and Seamless Pressure Tubes
BS3059 Seamless Steel Tubes For High-Pressure Boilers

EN10305-1 Steel Tubes for Precision Application-Seamless Cold Drawn Tubes
EN10305-2 Steel Tubes for Precision Application-Welded Cold Drawn Tubes
EN10305-3 Steel Tubes for Precision Application-Welded Cold Sized Tubes
EN10305-4 Steel Tubes for Precision Application-Seamless Cold Drawn Tubes for Hydraulic and Pneumatic Power Systems
EN10305-3 Steel Tubes for Precision Application-Welded and COld Sized Square and Rectangular Tubes
EN 10216-1/ DIN 17175 Seamless Steel Tubes for Pressure Purposes
EN 10216-2 Seamless Steel Tubes for Pressure Purposes-Non-alloy and alloy steel tubes with specified elevated temperature properties
EN 10216-4 Seamless Steel Tubes for Pressure Purposes
EN 10217-1 Welded Steel Tubes for Pressure Purposes-Non-Alloy Steel Tubes with specified room temperature properties-P195TR1, P235TR1,P265TR1, P195TR2, P235TR2, P265TR2
EN 10296-1 Welded Circular Steel Tubes for Mechanical and General Engineering Purpose-Non-Alloy and Alloy Steel Tubes.

DIN17175 SEAMLESS STEEL TUBES FOR ELEVATED TEMPERATURES
EN 10220 Seamless circ. unalloyed mechanical pipes
DIN 1629 Seamless circ. unalloyed mechanical pipes
DIN 2391 Cold formed Precision Pipes
EN 10305 Cold formed Precision Pipes
EN10220 High-performance seamless circular unalloyed steel pipes
DIN 1630 High-performance seamless circular unalloyed steel pipes

GOST 800-78 Ball Bearing Pipes
GOST 9567-75 Cold formed Precision Pipes
GOST 8731-87 - seamless hot-deformed steel pipes
GOST 8732-78 - seamless hot-deformed steel pipes, 20-426 mm
GOST 8733-74 Cold formed Precision Pipe (st.20, 09G2S) Ø 10-76 mm
GOST 8734-78 Seamless steel pipes, cold-worked (st.20, 09G2S) Ø 5-250 mm
ТU 14-3-190-82 Seamless steel pipes for boiler plants and pipelines (Size 4-426 mm)
TU 14-3Р-55-2001, TU 14-3-460-75 Seamless pipes for steam-boilers (Size 10-426 mm)
JIS G3461 Carbon steel boiler and heat-exchanger tube
JIS G3462 Alloy Steel for Boiler and Heat Exchanger Tubes
JIS G3467 Steel tube for Fired Heater
NFA 49-112 Seamless Pipe for Industrial Application
TU14-3-460-2003 Boiler pipes and tubes
TU14-3Р-55-2001 Boiler pipes and tubes
TU 14-3-1941-94 Pipes for submerged pumps and engines
TU14-8-1-97 Pipes for submerged pumps and engines

2) Tight tolerance, Smooth surface, Uniform mechanical property(Mechanical Properties equilibrium) ;

3) Heat treatment: BK, BKS, GBK, NBK,Stress Relief, Normalizing, Spheroidize Anneal, Annealing, Bright Annealing, Normalized, Quenched and Tempered, Solution Annealing, etc ;

4) Continuous stenciling as required ;

5) Rust prevention treatment, such as: immersion oil, lacquer, passivation, phosphating,etc;

6) Plastic plugs or caps on both ends as required ;

7) Packaging: Hexagonal bundles of max. 1,500kg with several steel strips, Wrapped in waterproof paper, PVC sleeve,and sackcloth with several steel strips or packed in heavy tri-wall boxes, wooden boxes, wooden slats as requires;Type: Round , Square, Rectangle, Hexagon. Streamline, etc;

8) Relevant Test: Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Flaring Test,Bending Test,Hardness Test,Blow Test,etc), Exterior Size Inspection, Nondestructive Test,Hydrostatic Test;

9) Main Applications: Boiler and Heat Exchanger, Hydraulic and Petrochemical Purpose, etc.

› Air Cooled Heat Exchanger (APi 661)
› Calorifier U-Tube Bundle (Heating Battery)
› Charge Air Cooler
› Chiller Barrel
› Condenser/Evaporator/AHU Coil
› Compressed Air After Cooler
› Coolers for Electromotor
› Cooling Tower Open/Close Circuit
› Dry Coolers/Air-Condensers
› Excavator Oil Cooler, Hydraulic Oil Cooler
› Finned Tube/Low Finned Tube
› Fan & Heating Coil for Palm Oil Mill
› Heat Exchanger Components
› Intercooler/Crimped Spiral Finned Tube
› Lub Oil Cooler
› Plate Heat Exchanger › Radiator, Intercooler, Oil Cooler
(Automobile/Truck/Genset/Tractor)
› Radiator Unit/Fin Fan Cooler
› Recuperator Heat Exchanger
› Rotary/Screw Air/Oil Compressor Cooler (Aluminum)
› Shell & Tube Heat Exchanger
› Spiral Fin Tube Oil Heater
› Spiral Heat Exchanger
› Spiral Oil Heating Coil
› Standard Albraze Oil/Air Cooler (Aluminum)
› Steam/Hot Water Heating Coil
(Using Black Fin or Spiral Fin Tube)
› Thermal Oil Heating Coil
› Water to Air After Cooler
› Waste Heat Recovery (Economizer) & etc

Custom Made Application for:
› Breweries & Beverage Industry
› Cement Industry
› Chemical Industry
› Dairies
› Food Industry
› Industrial Plant
› Iron & Steel Industry
› Marine
› Mobile Equipment › On & Off Shore
› Paper Industry
› Petrochemical Industry
› Pharmaceutical Industry
› Plastic Industry
› Power Plant
› Refrigeration & HVAC
› Textile Industry
› Wood Industry & etc

Classification Standards:
› ASME › TEMA & etc

Material Available:
› Admiralty Brass
› Aluminum
› Aluminum Brass
› Brass
› Carbon Steel › Copper
› Cupronickel
› Naval Brass
› Stainless Steel & etc

Finned Tube:
› "G", "KL", "L”, "LL"
› Crimped
› Extruded
› High Frequency Weld
› Intergraded › Oval
› Rectangular
› Spiral
› Wire Wound & etc

Condenser Tube:
› Inner Groove
› Low Fin Tube › Spiral & etc

Core Product:
› Compact Fin Tube Bundle

Corrosion Protection:
› Hot Dip Galvanized
› Hot Solder Dip › Sorabond & PoluAl Coating
› Heresite Coating & etc

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1. Line Pipes
API 5L PSL1/PSL 2 Line Pipe: Gr. B X42, X46, X52, X56, X60, X65, X70, X80/BM.X42M,X46M,X52M,X60M,X65M,X70,X80M
ISO 3183-1/2 Petroleum and Natural Gas Industries-Steel Pipe for Pipelines Transportation System-L240M,L290M,L320M,L360M,L390M,L415M,L450M,L485M,L555M,L690M
ISO 3183-3 Petroleum and Natural Gas Industries Steel Pipe for Pipelines Transportation System -L245NC / L245NCS,L290NC / L290NCS, L360NC / L360NCS, L290MC / L290MCS, L360MC / L360MCS, L415MC / L415MCS, L450MC / L450MCS, L485MC / L485MCS, L555MC
AS2885 Pipelines-Gas and liquid petroleum Part 1: Design and Construction
AS 1163 Steel Pipe
BS 3601-1 Carbon steel pipes and tubes with specified room temperature properties for pressure purposes
BS 3602-2 Specification for steel pipes and tubes for pressure purposes: carbon and carbon manganese steel with specified elevated temperature properties. Part 2: Submerged arc welded tubes
BS 6323 Seamless and welded steel tubes for automobile mechanical and general engineering purposes. Part 1: General requirements. Part 7: Specific requirements for submerged arc welded steel tube
CSA Z245.1 Steel Pipe- Category I, II, III-241,290,359,386,414,448,483,550,620,690,825
DIN 2470-1 Steel gas pipelines for permissible service pressures up to 16 bar
DIN 2470-2 Steel gas pipelines for permissible service pressures exceeding 16 bar
EN 10208-1:2009, Steel pipes for pipelines for combustible fluids - Technical delivery conditions - Part 1: Pipes of requirement class A-L210GA,L235GA,L245GA,L290GA, L360GA
EN 10208-2:2009, Steel pipes for pipelines for combustible fluids – Technical delivery conditions – Part 2: Pipes of requirement class B-L245MB,L290MB,L320MB,L360MB,L390MB,L415MB,L450MB, L485MB,L555MB
EN 10208-3 Non alloy and alloy fine grain steel tubes
EN 10217-1/3 Welded steel tubes for pressure purposes
EN10217-5 Welded Steel Tubes for Pressure Purposes-Technical Delivery Conditions-Part 5: Submerged Arc Welded Non-Alloy and Allow Steel Tubes with Specified Elevated Temperature Properties
EN 12007-3:2000, Gas supply systems - Pipelines for maximum operating pressure up to and including 16 bar - Part 3: Specific functional recommendations for steel.
EN ISO 21329:2004, Petroleum and natural gas industries - Pipeline transportation systems - Testing procedures for mechanical connections (ISO 21329:2004).
ISO 10543:1993, Seamless and hot-stretch-reduced welded steel tubes for pressure purposes - Full peripheral ultrasonic thickness testing.
ISO 21329:2004, Petroleum and natural gas industries - Pipeline transportation systems - Testing procedures for mechanical connections. - 1st edition.
EEMUA Publ 203:2004, Guide to the Application of ISO 3183 Parts 2 (1996) and 3 (1999) Petroleum and Natural Gas Industries - Steel Pipes for Pipelines - Technical Delivery Conditions.
NACE MR 0175/ISO 15156-2 Petroleum and Natural Gas Industries – Materials for Use in H2S Containing Environments in Oil and Gas Production. Part 2. Cracking resistant Carbon and Low Alloy Steels, and the Use of Cast Irons.
NACE TM 0177 Laboratory Testing of Metals for Resistance to Sulfide Stress Cracking in Hydrogen Sulfide (H2S) Environments
NACE TM 0284 Standard Test Method - Evaluation of Pipeline and Pressure Vessel Steels for Resistance to Hydrogen-Induced Cracking
ASM B31.11-2002 Slurry Transportation Piping Systems

DEP 31.40.20.30-Gen LINEPIPE FOR USE IN OIL AND GAS OPERATIONS UNDER NON-SOUR CONDITIONS(AMENDMENTS/SUPPLEMENTS TO API SPEC 5L)
DEP 31.40.20.31-Gen LINEPIPE FOR USE IN OIL AND GAS OPERATIONS UNDER SOUR CONDITIONS(AMENDMENTS/SUPPLEMENTS TO API SPEC 5L)
DEP 31.40.20.35-Gen Line pipe for non-critical service (amendments/supplements to ISO 3183-1)
DEP 31.40.20.37-Gen Linepipe for critical service (amendments/supplements to ISO 3183-3)
DEP 31.40.40.38-Gen Hydrostatic pressure testing of new pipelines
DEP 31.40.60.11-Gen Pipeline leak detection
DEP 31.40.60.12-Gen Pipeline Repairs (supplements to ANSI/ASME B31.4 and B31.8)
DEP 61.40.20.30-Gen Welding of pipelines and related facilities (amendments/supplements to ANSI/API STD 1104)
DEP 31.40.50.30-Gen Precommissioning of pipelines
DGS-9510-001 rev.0 SUBMERGED ARC WELDED PIPES
GOST 20295-85, Steel welded pipes for main gas-and-oil pipelines Specifications(530-820mm)- K34, K38, K42, K50, K52, K55, K60,K65
GO R 52079:2003, Steel welded pipes for trunk gas pipelines, oil pipelines and oil products pipelines. Specifications.
GOST R ISO 10124:1999, Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imperfections.
GOST R ISO 10332:1999, Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes. Ultrasonic testing for the verification of hydraulic leak-tightness.
GOST R ISO 10543:1999, Seamless and hot-stretch-reduced welded steel tubes for pressure purposes - Full peripheral ultrasonic thickness testing.
GOST R ISO 3183:2010, Petroleum and natural gas industries - Steel pipe for pipeline transportation systems. - 2nd edition.
IPS-M-PI-190 Material And Equipment Standard for Line Pipe
IGS-MS-PL-001 Specifications for Pipes, Electric Resistance Welded Type(ERW)
KOC-MP-018 KOC Standard for Seamless Pipe to API 5L
KOC-MP-019 KOC Standard for Submerged-Arc Welded (SAW) Pipe to API 5L
KOC-MS-001 Part 1 Kuwait Material Specification Line Pipe for Sour Service
NRF-001-Pemex-2007 Steel Piping for Hydrocarbon Collections and Transportation
RP 43-1 Onshore Transmission Pipelines to BS 8010
01-SAMSS-332/01-SAMSS-333 High frequency welded line pipe
01-SAMSS-035 and 01-SAMSS-038 Submerged-arc welded line pipe per
TOTAL GS EP PLR 202 Fabrication of longitudinally submerged arc welded pipes for
pipelines (sweet service)
NRF-001-PEMEX-2007 TUBERíA DE ACERO PARA RECOLECCIóN Y TRANSPORTE DE
HIDROCARBUROS
NFA 49-211/ NFA 49-411 TUE 220,TUE 250,TUE 275,TUE 290,TUE 320,TUE 360,TUE 415,TUE 450

2. Pipe for General Uses
ASTM A134 Electric-Fusion (Arc)-Welded straight seam or spiral seam welding, in nominal diameter of 16 inches (406.4mm) [NPS 16]and over, with wall thicknesses up to 3/4 in. (19.0 mm), inclusive.
ASTM A139 Electric-Fusion (Arc)-Welded straight-seam or helical-seam steel pipe. Pipes are manufactured in nominal diameters of 4 inches and larger with nominal (average) wall thickness of 1.0 in. [25.4 mm] and less.
ASTM A155 Electric Fusion Welded Steel Pipe for High Temperature Service
ASTM A671 Electric Fusion Welded Steel Pipe for Atmospheric and Lower Temperature
ASTM A672 Electric-fusion-welded steel pipe for high-pressure service at moderate temperatures
AWWA C200-97: Steel Water Pipe-6 In. (150 mm) and Larger
AWWA C206-97: Field Welding of Steel Water Pipe
AWWA C207-01: Steel Pipe Flanges for Waterworks Service- Sizes 4 In. Through 144 In. (100 mm Through 3,600 mm)
AWWA C208-01: Dimensions for Fabricated Steel Water Pipe Fittings
BS 2059 Part I & II Gr. 320, Gr. 360
BS 3601 Steel Pipe and Tubes for Pressure Proposes Carbon Steel: Ordinary Duties- Gr. 360,Gr. 430,
BS 7191 All Specification for Weldable Structure Steels for Fixed Offshore Structures
DIN 1615 Welded circular tubes of non-alloy steel without special quality requirements.
DIN 1626 Welded circular tubes of non-alloy steel with special quality requirements-St. 37.0,St44.0, St.52.0
DIN 1628 Welded circular tubes of non-alloy steel with very high quality requirements- St. 37.4
DIN 2458 Plain end welded steel tubes, dimensions and conventional masses per unit length- DIN 2470 Part 1 St. 37.0,St44.0, St.52.0
DIN 2460 Steel tubes for waterworks services DIN 2460
DIN 17120 Welded structural steel circular tubes for structural engineering purposes
DIN 17172 Steel pipes for pipelines for the transport of combustion fluids and gases--DIN 2470 Part II St. E210-7, E240-7,E290-7, St. E 320-7,St.E 360-7
DIN 17174 Welded circular steel tubes for low temperatures
DIN 17177 St. 37.8, St. 42.8
EN 10219-1, 2Cold formed welded structural hollow sections of non-alloy and fine grain steels. Part 1: Technical delivery requirements. Part 2: Dimensions
EN 10220 Seamless and welded steel tubes.
EN 10224 Steel pipes, joints and fittings for the conveyance of aqueous liquids including potable water
EN 10296-1 Welded steel tubes for mechanical and general engineering purposes – TDR. Part 1: Non alloy and alloy steel tubes
JIS G 3444 Carbon Steel Tubes for General Structural Purpose- STK 90,400,490,500,540
JIS G3452
JIS G 3457 Arc Welded Carbon Steel Pipe- STPY 400
KS D 3566 Carbon Steel Tubes for General Structural Purpose- STK 90,400,490,500,540
KS D 3583 Arc Welded Carbon Steel Pipe- SPW 400

3. Structural Pipe
API 2B Specification for the Fabrication of Structural Steel Pipe
API 2H
API 2W
ASTM 572 Gr.50, EH36TM, DH36, DH36TMZ
ASTM A252 FOUNDATION PILES for soil consolidation, marine wharfs
AS1397
AS1579 Arc-Welded Steel Pipes and Fittings for Water and Wastewater
AS1594.1-250/350
AS3678.1-350,
AS3679.1-250,
CF1030 BRIGHT,
AS 2159 Piling Design and Installation
AS 812 Bored Piles
JIS A5525 Steel Pipe Pile
KS F4602 Steel Pipes Piles
KS F4605 Steel Pipe Sheet Piles

4.Submarine (Offshore) Pipeline System
DNV OS-F101 Submarine Pipeline Systems-SAWL 245,SAWL290,SAWL 320,SAWL 360,SAWL 415,SAWL 450,SAWL 485,SAWL 555,
AS 2885-1:1997
AS 2885-2:2002,
AS 2885-3:2001,
AS 2885-4:2003,
AS/NZS 2885-5:2002,
ASME B31.4:1998,
ASME B31.8:2000,
BS 8010-1:1989,
BS 8010-2.8:1
2. Coating Specifications
2.1.External Coating
2.1.1 External Epoxy Coating
CSA Z245.20 Standard for External Fusion Bond Epoxy Coating for St

Yuhong Group Co.,Ltd deal with steel pipeline products start from 2003, now our goods export to 35 countries . Our client over 2000. It depend on our Marketing Dept. Quality Control Dept. Logestci Dept. And Financial Dept. and management good communication and good team work , so we have won good reputation of the global market of pipe line products .