Name: ASTM A335 P91 Alloy Steel Seamless Pipe NPS 2 NPS 6 NPS 10 For Power Plants
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A335 P11,ASTM A335 P22, ASTM A335 P5, ASTM A335 P9, ASTM A335 P91
Price: 1000000 USD
Availability: InStock

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ASTM A335 P91 Alloy Steel Seamless Pipe NPS 2 NPS 6 NPS 10 For Power Plants

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, BV, DNV, GL, LR, SGS, IEI
Model Number:	ASTM A335 P11,ASTM A335 P22, ASTM A335 P5, ASTM A335 P9, ASTM A335 P91

Payment & Shipping Terms:

Minimum Order Quantity:	100KGS
Price:	0- 1000000USD
Packaging Details:	BUNDLE,PLYWOOD CASE
Delivery Time:	7DAYS
Payment Terms:	L/C, T/T
Supply Ability:	800Tons/ month

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Detailed Product Description

MATERIAL:	P91, P92	SURFACE:	BLACK VANISH
STANDARD:	ASTM A335, ASME SA335	OD:	1/2" TO 48 "
LENGTH:	Single Random, Double Random & Cut Length.	END:	PLAIN, BEVELED
NDT:	UT , ET, HT, PT , MT	Application:	Heating, Furance , Boiler, Power PlantS, Petrochemical , Energy
Highlight:	Power Plants Alloy Steel Seamless Pipe , NPS 10 Alloy Steel Seamless Pipe , ASTM A335 P91 Alloy Steel Pipe

ASTM A335 P91 Alloy Steel Seamless Pipe NPS 2 NPS 6 NPS 10 for Power plants

YUHONG GROUP'S P91 and P92 steels are common grades that meet ASTM A335 or SA335 standards and are used for piping and power plant components because of their high strength at elevated temperatures.

Chemical composition comparison showed below:(%)

Grade	C	Si max	Mn	P	S	Ni max	Cr	Mo	W
P91	0.08-0.12	0.50	0.30-0.60	0.02	0.01	0.4	8.0-9.5	0.85-1.05	/

Alloy Steel Pipe A 335/ ASME SA335 P91

Size : 1/2" TO 24 "IN OD & NB

Schedule: SCH20, SCH30, SCH40.
Type : Welded / Fabricated / Seamless
Length : Single Random, Double Random & Cut Length.
End : Plain End, Beveled End.

MATERIALS :
Alloy Steel Pipe A335 P91 – AS Pipe A335 P91
ASTM A335, Gr. P5, P9, P11, P12, P21, P22 & P91

Mechanical properties

Grade	Tensile strength	Yield strength	Elongation
P11, P22, P5, P9	≥415	≥205	≥30/20
P91	≥585	≥415	≥20
P92	≥620	≥440	≥20

Pipes Type	Seamless - Hot Rolled / Cold Drawn
Pipes Ends	Plain Ends / Beveled Ends / Coupling
Pipes Coating	Epoxy Coating / Colour Paint Coating / 3LPE Coating.
Other Testing	Tensile Test, Transverse Tension Tests, Flattening Test, Metal Structure and Etching Tests, Photomicrographs, Hardness Tests, etc.
Pipes Packaging	Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Pipes Shipment & Transportation	By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes

ASTM A335 P91 Seamless Pipes heat treatment

	P5, P9, P11, and P22
Grade	Heat Treatment Type	Normalizing Temperature Range F [C]	Subcritical Annealing or Tempering Temperature Range F [C]
P91	Normalize and Temper	1900-1975 [1040 – 1080]	1350-1470 [730 – 800]
	Quench and Temper	1900-1975 [1040 – 1080]	1350-1470 [730 – 800]

ASTM A335 P91 Seamless Pipes Permissible Variation in Wall Thickness

NPS [DN] Designator	Tolerance, % from Specified
	Over	Under
1/8 to 2 1/2 [6 to 65] incl., all t/D ratios	20.0%	12.5%
Above 2 1/2 [65], t/D < or = 5%	22.5%	12.5%
Above 2 1/2 [65], t/D > 5%	15.0%	12.5%
(t = Specified Wall Thickness; D = Specified Outside Diameter)