JIANGSU TIANCHENG GROUP LIMITED
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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
Chemistry Composition:
| 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<od<50.8 td="" style="box-sizing: border-box;"> | ±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<wt≤3.8< td="" style="box-sizing: border-box;"> | +35/-0> | |
| OD≤101.6, 3.8<wt≤4.6< td="" style="box-sizing: border-box;"> | +33/-0> | |
| OD≤101.6, WT>4.6 | +28/-0> | |
| OD>101.6, 2.4<wt≤3.8< td="" style="box-sizing: border-box;"> | +35/-0> | |
| OD>101.6, 3.8<wt≤4.6< td="" style="box-sizing: border-box;"> | +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 |
Tiancheng Group supplies ASTM A210 and other steel grades tubes for high pressure and temperature applications, if you are interested in buying seamless boiler tubes from reliable steel mills, please send an email now!