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Zhejiang Yuhongwell Steel Co.,Ltd

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd



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Home ProductsStainless Steel Seamless Pipe

Stainless Steel Seamless Pipe, ASTM B677 , B674 UNS N08904 ,904L ,1.4539

Stainless Steel Seamless Pipe, ASTM B677 , B674 UNS N08904 ,904L ,1.4539

Stainless Steel Seamless Pipe, ASTM B677 , B674  UNS N08904 ,904L ,1.4539
Stainless Steel Seamless Pipe, ASTM B677 , B674  UNS N08904 ,904L ,1.4539
Product Details:
Place of Origin: China
Brand Name: YUHONG
Certification: ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: NO8904, NO6600,NO10276,NO6625, NO8810, NO8825, NO2200M NO2201, NO4400, NO5500
Payment & Shipping Terms:
Minimum Order Quantity: 1PC
Packaging Details: PLY-WOODEN CASE
Delivery Time: 10days->
Supply Ability: 1500 tons per month
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Detailed Product Description
Material Grade: UNS NO8904 , 1.4539 , TP904L Standard: B677 , B674,
Type: Seamless Pipe , Welded Pipe Surface: Pickled And Annealed
NDT: ET( ASTM E426), UT(ASTM E213), HT ( ASTM A999) Packing: Ply Wooden Case , Woven Flexible Bag In Hex Bundle
High Light:

stainless steel seamless pipes


seamless boiler tubes

Stainless Steel Seamless Pipe, ASTM B677 / B674  UNS N08904 / 904L /1.4539 / Pickled Annealed NPS: 1/8" to 8" B16.10 & B16.19


YUHONG GROUP deal with  Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless  and welded  pipe and tube already more than 25 years, every year sell more than 80000 tons of steel  pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....


Material 1.4539 (alloy 904L) is an austenitic special steel with high molybdenum content as well as addition of copper and extremely low carbon content.
Our product range in 1.4539 are tubes and pipes, fittings and flanges, accessories.



1. Commodity: Seamless Stainless Steel Pipe ASTM B677 UNS N08904/904L

2. Process method: Cold drawn/cold rolled

3. Surface finish: Anneal/pickling/manual polish/ mechanical polish

4. Material: UNS N08904/904L

5. Standards: ASTM B677

6. Size:

A) NPS: 1/8" to 8"

B) Schedule: 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S, acc. To ANSI B36.19

C) O. D.: 6 mm to 219 mm

D) W. T.: 0.5 mm to 25 mm

E) Length: Max. 20 meters

7. Delivery conditions: Annealled, Picklinged and Polished

8. packing: Seaworthy wooden cases/steel framed plywood cases/simple packaging


Material No. 1.4539
EN symbol (short) X1NiCrMoCu25-20-5
UNS N 08904
AFNOR Z 2 NCDU 25-20
alloy alloy 904 L
Registered work's label
Normen VdTÜV 421 , SEW 400


Chemical composition ¹ 

≤ %
≤ %
≤ %
≤ %
≤ %
0,02 0,70 2,0 0,030 0,010 19,0-21,0 4,0-5,0 24,0-26,0  
≤ %
        1,20-2,00 0,15      
¹  in accordance with Key to Steel 2001


Special characteristics

Temperature range: Density kg/dm³ Hardness (HB)
pressure bomb/pressure vessel
- 60°C bis 400°C
7,9 ≤ 230
excellent stability against pitting corrosion, stress corrosion and intergranular corrosion


Welding filler

1.4539, 1.4519


Main fields of application (depending on the specific conditions of use)

(all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use)



1>.Offshore, Subsea.

2>.Sea water technology

3>.Chemical industry, good stability against reducing acids of medium strength like sulphuric acid and phosphoric acid and various chloric media, refinery, paper industry, pulp industry.


Stainless Steel Seamless Pipe, ASTM B677 , B674  UNS N08904 ,904L ,1.4539 0

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Jikin Cai

Tel: +86-13819835483

Fax: 0086-574-88017980

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