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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
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) |
Application for:
Petrochemical Plants
Heaters
Oilfield services
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ASTM A335 P91 Alloy Steel Seamless Pipe NPS 2 NPS 6 NPS 10 For Power Plants Images |