合金管标准 | 牌号 | 抗拉强度(MPA) | 屈服强度(MPA) | 伸长率(%) |
ASTMA210ASME SA210 | A1 | ≥415 | ≥255 | ≥30 |
C | ≥485 | ≥275 | ≥30 | |
合金管标准 | 牌号 | SA210高压合金管化学成分 | ||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | |
ASTM A210ASME SA210 | A210C | ≤0.35 | ≥0.10 | 0.29~1.06 | ≤0.035 | ≤0.035 | / | / | / | / | / |
A210A1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤ 0.035 | ≤0.035 | / | / | / | / | |
注:①是指碳含量在规定最大碳含量以下每减少0.01%，则允许锰含量比规定最大含量增加0.06%，直至不超过1.35%
硬度要求:SA-210A1≤79HRB/143HB，SA-210C ≤89HRB/179HB
合金管种类 | SA210高压合金管外径(D) | SA210高压合金管壁厚(S) | |
外径尺寸(mm) | 允许偏差(mm) | 外径尺寸(mm) | 允许偏差(mm) |
热轧高压合金管 | ≤101.6 | +0.4~-0.8 | 76~168.3 | +28%~0 |
>101.6~168.3 | +0.4~-1.2 | ||
冷拔高压合金管 | <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 | ||
