换热器钢管化学成份
标准 | 牌号 | C | Si | Mn | P、S | Cr | Mo | V | Cu | Ni |
ASTM A213 ASME SA213 | 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 | ≤0.50 | 0.30~0.61 | ≤0.025 | 0.80~1.25 | 0.44~0.65 | / | / | / | |
T22 | 0.05~0.15 | ≤0.50 | 0.30~0.60 | ≤0.025 | 1.90~2.60 | 0.87~1.13 | / | / | / |
