锅炉管标准 | 牌号 | C | Si | Mn | P、S | Cr | Mo | V | Cu | Ni |
ASTM A213ASME 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 | / | / | / | |
SA213高压锅炉管机械性能
标准 | 牌号 | 抗拉强度(MPA) | 屈服强度(MPA) | 伸长率(%) |
ASTM A213ASME SA213 | T11 | ≥415 | ≥170 | ≥30 |
T12 | ≥415 | ≥205 | ≥30 | |
T22 | ≥415 | ≥205 | ≥30 | |
SA213高压锅炉管硬度要求:≤163HB/85HRB
SA213高压锅炉管尺寸公差
锅炉管种类 | SA213高压锅炉管外径(D) | SA213高压锅炉管壁厚(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 |
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 | ||
