ASTM A210/ASME SA210 standards
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.
- Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
- Max Length: 25000mm, also U bending can be offered.
- Delivery 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 Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
Mechanical Properties of ASTM A210/ASME SA210:
| Grade | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation (%) |
| A1 | ≥ 415 | ≥ 255 | ≥ 30 |
| C | ≥ 485 | ≥ 275 | ≥ 30 |
Chemical Composition of ASTM A210/ASME SA210:
| Grade | C(Max) | Mn | Si(Min) | P(Max) | S(Max) |
| A1 | 0.27 | Max.0.93 | 0.10 | 0.035 | 0.035 |
| C | 0.35 | 0.29~1.06 | 0.10 | 0.035 | 0.035 |
Outside Diameter & Tolerance of ASTM A210/ASME SA210:
| 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 of ASTM A210/ASME SA210:
| 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 |
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