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標(biāo)準(zhǔn) |
牌號(hào) |
抗拉強(qiáng)度(MPA) |
屈服強(qiáng)度(MPA) |
伸長(zhǎng)率(%) |
ASTMA210
ASME SA210 |
A1 |
≥415 |
≥255 |
≥30 |
C |
≥485 |
≥275 |
≥30 |
標(biāo)準(zhǔn) |
牌號(hào) |
化學(xué)成分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V | ||
ASTM A210
ASME SA210 |
A210C |
≤0.35 |
≥0.10 |
0.29~1.06 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
A210A 1 |
≤0.27 |
≥0.10 |
≤0.93 |
≤ 0.035 |
≤0.035 |
/ |
/ |
/ |
/ |
|
鋼管種類 |
外徑(D) |
壁厚(S) | ||
外徑尺寸(mm) |
允許偏差(mm) |
外徑尺寸(mm) |
允許偏差(mm) | |
熱軋管 |
≤101.6 |
+0.4~-0.8 |
76~168.3 |
+28%~0 |
>101.6~168.3 |
+0.4~-1.2 | |||
冷拔管 |
<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 |
|