Boiler 18'' SCH 80 Seamless Alloy Steel Pipe , ASTM A335 P11 Seamless Alloy Pipe

TIPTOP is providing 18'' SCH 80 457*23.83mm P11 seamless alloy steel pipe. Manufacturing method: hot rolled. Supplied in fixed length or random length from 4000mm to 12000mm.

1. Ordering Information

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

Name of material (seamless alloy steel pipe),

Grade (P11),

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)

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. Chemical Requirements

5. Available Size Range

6. Tensile Requirements

Tensile Strength min.: 60ksi / 415MPa

Yield Strength min.: 30ks / 205MPa

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