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) |
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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 |
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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 |