ASTM A213 Alloy Steel Pipe
ASTM A213 is a widely used standard that specifies seamless ferritic and austenitic steel pipes, tubes, and boiler tubes designed for high-temperature applications. This standard includes various grades such as T5, TP304, and others. The presence of the letter "H" in a grade name indicates higher creep rupture strength compared to non-H grades. ASME SA213 pipes are typically chromium-molybdenum alloys, offering enhanced performance under extreme conditions.
CSC STEEL is a leading manufacturer and supplier of ASTM A213 low alloy steel pipes available in multiple grades and sizes. We offer a wide range of seamless pipes, including T2, T11, T12, T22, T91, and T92, in various surface conditions such as annealed and pickled, bright annealed, finished, or polished, according to customer specifications.
Chemical Composition of ASTM A213 Alloy Steel (Max %)
| Steel Grade | Chemical Composition (%) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P, S Max | Cr | Mo | Ni Max | V | Al Max | W | B | Nb | N | |
| 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 | 0.4 | 0.18–0.25 | 0.015 | - | - | 0.06–0.10 | 0.03–0.07 |
| T92 | 0.07–0.13 | Max 0.5 | 0.30–0.60 | 0.02 | 8.5–9.5 | 0.30–0.60 | 0.4 | 0.15–0.25 | 0.015 | 1.50–2.00 | 0.001–0.006 | 0.04–0.09 | 0.03–0.07 |
Mechanical Properties of ASTM A213 Alloy Steel
| Steel Grade | Mechanical Properties | ||||
|---|---|---|---|---|---|
| T.S | Y.P | Elongation | Hardness | ||
| T2 | ≥ 415 MPa | ≥ 205 MPa | ≥ 30% | 163 HBW (85 HRB) | |
| T11 | ≥ 415 MPa | ≥ 205 MPa | ≥ 30% | 163 HBW (85 HRB) | |
| T12 | ≥ 415 MPa | ≥ 220 MPa | ≥ 30% | 163 HBW (85 HRB) | |
| T22 | ≥ 415 MPa | ≥ 205 MPa | ≥ 30% | 163 HBW (85 HRB) | |
| T91 | ≥ 585 MPa | ≥ 415 MPa | ≥ 20% | 250 HBW (25 HRB) | |
| T92 | ≥ 620 MPa | ≥ 440 MPa | ≥ 20% | 250 HBW (25 HRB) | |
Outer Diameter and Wall Thickness Tolerances for ASTM A213 Steel Tubes
| 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 |
These tolerances ensure precise dimensions for reliable performance in high-temperature environments. Whether you're working on power generation, petrochemical, or industrial systems, ASTM A213 alloy steel pipes provide the strength, durability, and reliability needed for critical applications. Our team at CSC STEEL is committed to delivering high-quality products tailored to your specific needs and industry standards.
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