ASTM A210 is the standard covers seamless medium-carbon steel boiler and superheater tubes. Seamless medium carbon steel pipe for boiler tube and boiler flue pipe, including a minimum wall thickness of the security side, the dome and the support tube and superheater tubes.
6666666666Delivery Condition:
- Annealed, Normalized, Normalized and Tempered
Surface treatment:
- Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Application:
- For high, middle, low pressure boiler and pressure purpose
ASTM A210/ASME SA210 Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes.
Mechanical Properties:
| Grade | Tensile strength (Mpa) | Yield point(Mpa) not less than | Elongation(%) not less than | Impact(J) not less than | Hardness not less than |
| A210 A1/ SA-210A1 | ≥415 | 255 | " | 79HRB | |
| A210C/ SA-210C | ≥485 | 275 | " | 89HRB |
Chemical composition:
| Steel Grade | C | Si | Mn | S | P |
| A 210A1 SA-210A1 | ≤0.27 | ≥0.10 | ≤0.93 | 0.020 | 0.025 |
| A 210C SA-210C | ≤0.35 | ≥0.10 | 0.29-1.06 | 0.020 | 0.025 |
Outside Diameter & Tolerance
| Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | |
| 101.6＜OD≤127 | +0.4/-1.2 | |
| 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≤127 | +0.38/-0.64 | |
Wall thickness & Tolerance
| Hot rolled | Outside Diameter , mm | Tolerance, % |
| OD≤101.6, WT≤2.4 | +40/-0 | |
| OD≤101.6, 2.4＜WT≤3.8 | +35/-0 | |
| OD≤101.6, 3.8＜WT≤4.6 | +33/-0 | |
| OD≤101.6, WT>4.6 | +28/-0 | |
| OD>101.6, 2.4＜WT≤3.8 | +35/-0 | |
| OD>101.6, 3.8＜WT≤4.6 | +33/-0 | |
| OD>101.6, WT>4.6 | +28/-0 | |
| Cold Drawn | Outside Diameter , mm | Tolerance, % |
| OD≤38.1 | +20/-0 | |
| OD>38.1 | +22/-0 |
- Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
- Max length: 25000mm, also U bending can be offered.
- Keyword: boiler steel pipe, astm A210, ASME SA210, SA210A1
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
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