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Industrial Seamless Alloy Steel Pipe , Seamless Steel Tube ASTM A335 Standard

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Industrial Seamless Alloy Steel Pipe , Seamless Steel Tube ASTM A335 Standard

Brand Name : XOOS
Model Number : ASTM A335 P12
Certification : MTC
Place of Origin : China
MOQ : 10 tons or negotiable
Payment Terms : L/C, T/T
Supply Ability : 200000 tons per month
Delivery Time : 2~10 weeks
Packaging Details : Bundle
Pressure : Higher Pressure
Structure : Seamless
Material : Alloy Steel P12
Length : Random or Fixed
Application : Boiler Pipe
Size : 457*120mm
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Industrial Seamless Alloy Steel Pipe , Seamless Steel Tube ASTM A335 Standard

Specialized in providing various steel pipes for more than 10 years, XOOS offers ASTM A335 seamless large caliber & heavy wall thickness pipe with competitive price, premium quality and flexible delivery time. Third party inspection is available.

XOOS offers a comprehensive range of ASTM A335/ASME SA335 P12 high pressure steel pipe for the right technical solution, with wall thickness from Sch 10 to 140mm & OD up to 56’’.

1. Available Size Range

88.9~14223''~ 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.

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

3. Application:
For the low and medium pressure boiler and steam header pipes;
For the high-pressure boiler and steam pipes, and the petrochemical industry pipes;
Power plant; Chemical Fertilizer; Petrochemicals; Offshore Oils; Gas Productions; Refineries and etc.

4. Ordering Information

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

Name of material (seamless alloy steel pipe),

Grade (P12),

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)

5. Chemical Requirements

Chemical Requirements



Composition, %
P12K115620.05-0.150.30-0.610.0250.0250.50 max0.80-1.250.44-0.65...

6. Tensile Requirements

Tensile Strength min.: 60ksi / 415MPa

Yield Strength min.: 32ks / 220MPa

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

Product Tags:

alloy steel seamless pipes


seamless alloy steel tube

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