Boiler Seamless Carbon Steel Pipe , Seamless Steel Tube ASTM A106 Grade C

Boiler Seamless Carbon Steel Pipe , Seamless Steel Tube ASTM A106 Grade C

ASTM A106 Grade C Steel Pipe is used in the most critical engineering applications and also in certain applications in the automotive sector. In addition, some of the value-added Carbon Steel products include steel for LPG cylinders, API grade, corrosion resistant steel, critical structural application steel, boiler quality, auto grades, precision tubes and medium/high carbon grades, among others.

1. Ordering Information

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

Name of material (seamless carbon steel pipe),

Grade (Grade C),

Manufacture (hot-finished or cold-drawn),

Size (NPS/DN and weight class or schedule number, or both; outside diameter and nominal wall thickness; or inside diameter and nominal wall thickness),

Special outside diameter tolerance pipe,

Inside diameter tolerance pipe, over 10 in, (250mm) ID.

Length (specific or random),

Optional requirements,

Test report required,

Special requirements.

1. Standards:
ASTM A106 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

2. Application:
Oil, Gas and water delivery;

Refinery, Boiler and Mechanical equipment manufacture;

Structure construction; drilling, ship building and etc.

4. Chemical Requirements

A For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.35%.

B Unless otherwise specified by the purchaser, for each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted up to a maximum of 1.65%.

C These five elements combined shall not exceed 1%.

5. Mechanical Properties

Tensile Strength, min: 70ksi/485MPa

Yield Strength, min: 40ksi/275MPa

6. Manufacturing Process

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

7. Available Size Range

8. Heat Treatment

Hot-finished pipe need not be heat treated. Cold-drawn pipe shall be heat treated after the final cold draw pass at a temperature of 1200°F(650°C) or higher.

9. Supplementary Requirements

S1 Product Analysis

S2 Transverse Tension Test

S3 Flattening Test, Standard

S4 Flattening Test, Enhanced

S5 Metal Structure and Etching Test

S6 Carbon Equivalent

S7 Heat Treated Test Specimens

S8 Internal Cleanliness-Government Orders

S9 Requirements for Carbon Steel Pipe for Hydrofluoric Acid Alkylation Service