ASME SA209 T1a Boiler Tube
ASTM A209 / A209M, ASME SA209 T1, T1a, T1b is the standard applicable to seamless carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes.
Chemical composition (%) of SA213 S30432 (Super 304H)
Grade | C | Mn | P | S | Si | Cr |
SA213 S30432 (Super 304H) | 0.07-0.13 | ≤1.00 | ≤0.040 | ≤0.010 | ≤0.30 | 17.0-19.0 |
Ni | N | Nb | Al | B | Cu | |
7.5-10.5 | 0.05-0.12 | 0.30-0.60 | 0.003-0.030 | 0.001-0.010 | 2.50-3.50 |
Grade | Tensile strength(Mpa) | Yield strength(Mpa) | Elongation(%) | Hardness |
SA213 S30432 (Super 304H) | ≥590 | ≥235 | ≥35 | ≤95HRB |
Grade | Type of heat treatment | Austenite / solution treatment temperature, ℃ | Cooling medium | ASTM grain size class number |
SA213 S30432 (Super 304H) | Solution treatment | ≥1100 | Water cooling or rapid cooling | --- |