锅炉管标准 | 牌号 | 碳钢锅炉管化学成分 | |||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V> | ||
ASTM A192ASME SA192 | A192 | 0.06-0.18 | ≤0.25 | 0.27-0.63 | ≤0.035 | ≤0.035 | / | / | / | / | / |
锅炉管种类 | 碳钢锅炉管外径(D) | 碳钢锅炉管壁厚(S) | |
外径尺寸(mm) | 允许偏差(mm) | 外径尺寸(mm) | 允许偏差(mm) |
热轧锅炉管 | ≤101.6 | +0.4~-0.8 | 76~168.3 | +28%~0 |
>101.6~168.3 | +0.4~-1.2 | ||
冷拔锅炉管 | <25.4 | +0.10 | ≤38.1 | +20%~0 |
25.4~38.1 | +0.15 | ||
>38.1~<50.8 | +0.20 | >38.1 | +22%~0 |
