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​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
Specifications
Brand Name :
YUHONG
Model Number :
ASTM A335 P11,ASTM A335 P22, ASTM A335 P5, ASTM A335 P9, ASTM A335 P91
Certification :
ABS, BV, DNV, GL, LR, SGS, IEI
Place of Origin :
CHINA
MOQ :
100KGS
Price :
0- 1000000USD
Payment Terms :
L/C, T/T
Supply Ability :
800Tons/ month
Delivery Time :
7DAYS
Packaging Details :
BUNDLE,PLYWOOD CASE
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
Description

​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature 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)

Application for:

​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​

Product tags

astm a500 steel tubing

,

asme a106 seamless steel pipe

,

seamless steel pipe astm a135
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​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM A335 P11,ASTM A335 P22, ASTM A335 P5, ASTM A335 P9, ASTM A335 P91
Certification :
ABS, BV, DNV, GL, LR, SGS, IEI
Place of Origin :
CHINA
MOQ :
100KGS
Price :
0- 1000000USD
Contact Supplier
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​
​​ASTM A335 P91 Alloy Steel Seamless Pipes (NPS 2, 6, 10) for High-Temperature Power Plants​

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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