Specification
Dimension | 6 mm - 660 mm |
Thickness | 1mm - 130mm |
Length | 3 m - 12 m |
Standard | ASTM A335; ASTM A213;ASTM A519 |
Steel grade | A SA-335 P5, P9, P11, P22, P91
SA-213 T5, T9, T11, T22, T91
ASTM A519 4130, 4140/42 |
Surface treatment | Black painting; Varnish painting; 3PE; Hot galvanized |
End of tubes | Beveled, plain, thread, plastic caps |
Inspection | Ultrasonic examination, eddy inspection, hydrostatic testing etc. |
Application
Alloy steel seamless pipe is ideally suitable for chemical, petrochemicals and other energy-related applications. It has characteristics of high corrosion resistance and can be used in a wide range of industrial sectors.
- Chemical industries
- Petrochemical industries
- Energy-related applications
Chemical Composition
C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Yield Strength
Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
415 min | 205 min | 30 min |
Outside Diameter & Tolerance
ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
OD≤101.6 | +0.4/-0.8 |
101.6＜OD≤190.5 | +0.4/-1.2 |
190.5＜OD≤228.6 | +0.4/-1.6 |
Cold Drawn | Outside Diameter, mm | Tolerance, mm |
OD＜25.4 | ±0.10 |
25.4≤OD≤38.1 | ±0.15 |
38.1＜OD＜50.8 | ±0.20 |
50.8≤OD＜63.5 | ±0.25 |
63.5≤OD＜76.2 | ±0.30 |
76.2≤OD≤101.6 | ±0.38 |
101.6＜OD≤190.5 | +0.38/-0.64 |
190.5＜OD≤228.6 | +0.38/-1.14 |
ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
1/8≤OD≤1-1/2 | ±0.40 |
1-1/2＜OD≤4 | ±0.79 |
4＜OD≤8 | +1.59/-0.79 |
8＜OD≤12 | +2.38/-0.79 |
OD>12 | ±1% |
Wall thickness & Tolerance
ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
OD≤101.6 | +0.4/-0.8 |
101.6＜OD≤190.5 | +0.4/-1.2 |
190.5＜OD≤228.6 | +0.4/-1.6 |
Cold Drawn | Outside Diameter, mm | Tolerance, mm |
OD＜25.4 | ±0.10 |
25.4≤OD≤38.1 | ±0.15 |
38.1＜OD＜50.8 | ±0.20 |
50.8≤OD＜63.5 | ±0.25 |
63.5≤OD＜76.2 | ±0.30 |
76.2≤OD≤101.6 | ±0.38 |
101.6＜OD≤190.5 | +0.38/-0.64 |
190.5＜OD≤228.6 | +0.38/-1.14 |
ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
1/8≤OD≤1-1/2 | ±0.40 |
1-1/2＜OD≤4 | ±0.79 |
4＜OD≤8 | +1.59/-0.79 |
8＜OD≤12 | +2.38/-0.79 |
OD>12 | ±1% |
