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Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe

Good company with professional service and high quality. Delivered in time. Our most trusted partner for alloy steel pipes.

—— Brent

The P91 and P22 supplied from NEW FORCE fully satisfies requirement of our project in Brazil. Good to work with NEW FORCE team.

—— Nicolas

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Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe

Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe
Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe

Large Image :  Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe

Product Details:

Place of Origin: CHINA
Brand Name: NEW FORCE
Certification: ASTM ASME
Model Number: ASME SA335 P91

Payment & Shipping Terms:

Minimum Order Quantity: 10 TONS
Detailed Product Description
Alloy Or Not: Is Alloy Surface Treatment: Galvanized
Application: Structure Pipe Technique: Hot Rolled
Thickness: 1 - 120 Mm Standard: ASTM
High Light:

P91 Seamless Alloy Steel Pipe


ASME SA335 Alloy Steel Pipe


Galvanized Seamless Alloy Steel Pipe

ASME SA335 P91 Pipes are on boading to Busan , Korea .


Size :    457.2*39.67 &  457.2*45.24

Weight : 89, 652 KG


1. Standards:
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service


2. Application:
For high pressure boiler and steam header pipes; petrochemical industry pipes; thermal power plant; nuclear power plant; USC boiler.


3. Ordering Information

Quantity (feet, meters, or number of lengths),

Name of material (seamless alloy steel pipe),

Grade (P91),

Manufacture (hot-finished or cold-drawn),

Size using one of the following:

NPS and schedule number;

Outside diameter and nominal wall thickness;

Outsider diameter and minimum wall thickness;

Inside diameter and nominal wall thickness;

Inside Diameter and minimum wall thickness.

Length (specific or random)

End finish (plain end or bevel end)


4. Chemical Requirements

Chemical Requirements



Composition, %
C Mn P
Si Cr Mo Others
P91 K91560 0.08-0.12 0.30-0.60 0.020 0.010 0.20-0.50 8.00-9.50 0.85-1.05 V 0.18-0.25
N 0.030-0.070
Ni 0.40max
Al 0.02max
Cb 0.06-0.10
Ti 0.01 max
Zr 0.01max


5. Available Size Range

OD Thickness
mm inch mm SCH
88.9~1422 3''~ 56'' 2.11~140 ≥SCH10
*If the steel grades and size you are looking for are not listed above, please contact us for further information.


6. Tensile Requirements

Tensile Strength min.: 85ksi / 585MPa

Yield Strength min.: 64ks / 415MPa


7. Inspection & Test

Chemical composition, mechanical properties ( tensile strength, yield strength, elongation, flaring, flattening, bending, hardness, impact test), surface and dimension, NDE, hydrostatic test.


8. Manufacture

Hot Rolled


9. Manufacturing Process

Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping


10. Supplementary Requirements

S1. Product Analysis

S2. Transverse Tension Tests

S3. Flattening Test

S4. Metal Structure and Etching Tests

S5. Photomicrographs

S6. Photomicrographs for Individual Pieces


Please feel free to contact us for your P91 pipe requirements.

Galvanized ASME SA335 P91 Seamless Alloy Steel Pipe 0

Contact Details
Xi'an New Force Energy Engineering Co.,Ltd

Contact Person: zaya_z

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