ASTM A209 Seamless alloy tube ring-shaped seamless tube manufacturing can improve material utilization, simplify manufacturing processes, save materials and processing man-hours, such as rolling bearing rings, jack sleeves, etc., has been widely used in steel pipe manufacturing. Alloy seamless steel pipe is also an indispensable material for various conventional weapons. The barrel and barrel are made of steel pipe.
Thickness:0.5 - 30 mm
Outer Diameter:4 - 300 mm
Standard:ASTM, ASTM A213-2001
Length:5.8m,6m,11.8m,12m
Grade: T1, T1a, T1b
Package: hexagonal bundled or loose packing.
Chemical composition
Grade | C | Si | Mn | P | S | Mo | Cr |
T1 | 0.10-0.20 | 0.10-0.50 | 0.30-0.80 | ≤0.025 | ≤0.025 | 0.44-0.65 | / |
T1a | 0.15-0.25 | 0.10-0.50 | 0.30-0.80 | ≤0.025 | ≤0.025 | 0.44-0.65 | / |
T1b | 0.14max | 0.10-0.50 | 0.30-0.80 | ≤0.025 | ≤0.025 | 0.44-0.65 | / |
Mechanical Properties | ||||
Grade | Tensile | Yield | Elongation | Hardness |
Strength (Mpa) | Strength (Mpa) | (%) | (HRB) | |
T1 | ≥380 | ≥205 | ≥30 | ≤80 |
T1a | ≥365 | ≥195 | ≥30 | ≤81 |
T1b | ≥415 | ≥220 | ≥30 | ≤77 |
ASTM A209 Seamless alloy tube is a carbon-molybdenum seamless tube used in boilers, boiler flues, and super heaters. It is manufactured with a seamless process and should be heat-finished or cold-finished as required. In addition, when the ring segment bears inner radial pressure or outer radial pressure, the force is relatively uniform. Therefore, most alloy seamless steel pipes are round pipes.
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