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Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service

Good quality Seamless Carbon Steel Pipe for sales
Good quality Seamless Carbon Steel Pipe for sales
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 XOOS fully satisfies requirement of our project in Brazil. Good to work with XOOS team.

—— Nicolas

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Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service

China Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service supplier
Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service supplier Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service supplier

Large Image :  Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service

Product Details:

Place of Origin: China
Brand Name: XOOS
Certification: MTC
Model Number: ASTM A335 P91

Payment & Shipping Terms:

Minimum Order Quantity: 10 tons or negotiable
Packaging Details: Bundle
Delivery Time: 2~10 weeks
Payment Terms: L/C, T/T
Supply Ability: 200000 tons per month
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Detailed Product Description
Pressure: High Pressure Structure: Seamless
Material: Alloy Steel P91 Length: Random Or Fixed
Standard: ASTM A335 Application: High Pressure Boiler

Seamless Alloy Steel Boiler Pipe ASTM A335 P91 for High Temperature Service

 

P91 pipe is a kind of chrome moly pipes lsted in ASTM A335, a standard in the power generation industry and the petrochemical industry. We have the most advanced manufacturing technology. Our piercing and rolling technology possesses a number of patents in designing and manufacturing the equipment, and has improved in lots of areas targeting better performance and efficiency.

 

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
Grade

UNS

Designation

Composition, %
C Mn P
max
S
max
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 or Cold Drawn

 

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

Boiler Seamless Alloy Steel Pipe ASTM A335 P91 for High Temperature Service

 

Contact Details
Xi'an Overseas Oilfield Services Co., Ltd.

Contact Person: Helen Gao

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