ASTM A210 seamless carbon tube
ASTM A 210 Seamless Carbon Boiler Tube
ASTM A 210 covers seamless steel boiler and superheater tubes, belongs to medium-carbon tube product, product types includes safe ends, arch and stay tubes of minimum-wall-thickness, tubing sizes. Material manufacturing is killed. Manufacturing method is following seamless process, final produt is either hot-finished or cold-finished. Surface condition can be customized in your requirement. Test requirement: tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test,etc.
- Delivery Condition: Annealed, Normalized, Normalized and Tempered
- Surface treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
- Application: For high, middle and low pressure boiler and other pressure purpose
| Grade | C(Max) | Mn(Max) | Si(Min) | P(Max) | S(Max) |
|---|---|---|---|---|---|
| A1 | 0.27 | 0.93 | 0.10 | 0.035 | 0.035 |
| C | 0.35 | 0.29~1.06 | 0.10 | 0.035 | 0.035 |
Mechanical Propertie:
| Grade | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) |
|---|---|---|---|
| A1 | ≥ 415 | ≥ 255 | ≥ 30 |
| C | ≥ 485 | ≥ 275 | ≥ 30 |
Outside Diameter & Tolerance:
| Hot rolled | Outside Diameter, mm | Tolerance, mm |
|---|---|---|
| OD≤101.6 | +0.4/-0.8 | |
|
101.6 |
+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 |
±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 |
+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 |
+35/-0> | |
|
OD≤101.6, 3.8 |
+33/-0> | |
| OD≤101.6, WT>4.6 | +28/-0> | |
|
OD>101.6, 2.4 |
+35/-0> | |
|
OD>101.6, 3.8 |
+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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