ASTM A106 Seamless carbon steel pipes are high-temperature service pipes made from carbon steel, with tensile strength ranging from 415 to 585 MPa and yield strength above 240 MPa. They offer excellent heat resistance, pressure durability, and weldability, making them suitable for transporting steam, oil, gas, and other fluids in high-pressure industrial systems.
Product Parameters
|
Item |
Description |
|
Grades |
Grade A, Grade B, Grade C |
|
Manufacturing Process |
Hot-finished or cold-drawn seamless process |
|
Outer Diameter Range (OD) |
10.3 mm – 914 mm |
|
Wall Thickness Range (WT) |
1.5 mm – 60 mm |
|
Length |
5.8 m – 12 m (customized lengths available) |
|
Hardness (HBW) |
≤ 179 for Grade B (as per specification) |
|
Working Temperature |
Up to 450 °C (continuous service) |
|
Surface Condition |
Black painted, varnished, oiled, or galvanized finish |
|
Testing Methods |
Hydrostatic test, nondestructive test, flattening and bending tests |
|
Heat Treatment |
Normalizing, annealing, or stress relieving as required |
|
Dimensional Tolerances |
OD ±1 %, WT ±12.5 %, length ±50 mm |
|
End Finish |
Plain ends, beveled ends, or threaded with protectors |
|
Welding Property |
Excellent weldability with high structural integrity |
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