ASTM A213 Tube
What is ASTM A213 Alloy Steel Tube
ASTM A213 steel tube covers seamless ferritic and austenitic steel boilers, Boiler tubes, and heat-exchanger tubes for high-temperature services, designated Grades T5, TP304, etc. Grades with the letter H has higher creep-rupture strength compared with grades with no H. ASME SA213 seamless steel tubes are chrome moly Tubes with alloy element of chromium, and molybdenum.
Bestar Steel is one of the leading manufacturers and suppliers of ASTM A213 Low Alloy Steel Tubes of all grades and dimensions. We also keep stock of ASTM A213 seamless tubes of Alloy Steel: T2, T11, T12, T22, T91, and T92 in annealed and pickled, bright annealed, mill finish, and polished conditions according to customer requirements.
ASTM A213 Alloy Steel Tube Chemical Composition(%, max)
| Steel Grade | ASTM A213 boiler steel tube Chemical Composition% | |||||
| C | Si | Mn | P, S Max | Cr | Mo | |
| T2 | 0.10~0.20 | 0.10~0.30 | 0.30~0.61 | 0.025 | 0.50~0.81 | 0.44~0.65 |
| T11 | 0.05~0.15 | 0.50~1.00 | 0.30~0.60 | 0.025 | 1.00~1.50 | 0.44~0.65 |
| T12 | 0.05~0.15 | Max 0.5 | 0.30~0.61 | 0.025 | 0.80~1.25 | 0.44~0.65 |
| T22 | 0.05~0.15 | Max 0.5 | 0.30~0.60 | 0.025 | 1.90~2.60 | 0.87~1.13 |
| T91 | 0.07~0.14 | 0.20~0.50 | 0.30~0.60 | 0.02 | 8.0~9.5 | 0.85~1.05 |
| T92 | 0.07~0.13 | Max 0.5 | 0.30~0.60 | 0.02 | 8.5~9.5 | 0.30~0.60 |
ASTM A213 Alloy Steel Tube Mechanical properties:
| Steel Grade | ASTM A213 Boiler Steel Tube Mechanical Properties | |||
| T. S | Y. P | Elongation | Hardness | |
| T2 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T11 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T12 | ≥ 415MPa | ≥ 220MPa | ≥ 30% | 163HBW(85HRB) |
| T22 | ≥ 415MPa | ≥ 205MPa | ≥ 30% | 163HBW(85HRB) |
| T91 | ≥ 585MPa | ≥ 415MPa | ≥ 20% | 250HBW(25HRB) |
| T92 | ≥ 620MPa | ≥ 440MPa | ≥ 20% | 250HBW(25HRB) |
ASTM A213 Steel Tubes Outside Diameter and Wall Thickness Tolerance
| OD, mm | OD Tolerance |
| < 25.4 | +/- 0.10 |
| 25.4 – <= 38.1 | +/- 0.15 |
| > 38.1 -< 50.8 | +/- 0.20 |
| 50.8 -< 63.5 | +/- 0.25 |
| 63.5 -< 76.2 | +/- 0.30 |
| 76.2 – <= 101.6 | +/- 0.38 |
| > 101.6 – <= 190.5 | +0.38/-0.64 |
| > 190.5 – <= 228.6 | +0.38/-1.14 |
| OD, mm | WT Tolerance |
| <= 38.1 | +20%/-0 |
| > 38.1 | +22%/-0 |
Size Chart of ASTM A213 Boiler Tube
Outside Diameter & Tolerance of ASTM A213 Boiler Tube
| Hot rolled ASTM A213 Boiler Tube | 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 ASTM A213 Boiler Tube | 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 |
Wall thickness & Tolerance of ASTM A213 Boiler Tube
| Hot rolled ASTM A213 Boiler Tube | 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 ASTM A213 Boiler Tube | Outside Diameter, mm | Tolerance, % |
| OD≤38.1 | +20/-0 | |
| OD>38.1 | +22/-0 |
Application of ASTM A213 Boiler Steel Tube
- LNG Low-temperature pipeline
- low-temperature equipment
- Fire-tube boiler
- Water-tube boiler
- Shipbuilding
- Construction
- Chemical
- Petrochemical
- Food processing
- Oil and gas and other industrial applications
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