标准 |
牌号 |
化学成分 | |||||
C |
Si |
Mn |
P、S |
Cr |
Mo | ||
DIN17175 |
St35.8 |
≤0.17 |
0.10~0.35 |
0.40~0.80 |
≤0.030 |
/ |
/ |
St45.8/Ⅲ |
≤0.21 |
0.1~0.35 |
0.40~1.20 |
≤0.030 |
/ |
/ | |
15Mo3 |
0.12~0.20 |
0.1~0.35 |
0.40~0.80 |
≤0.030 |
/ |
0.25~0.35 | |
13CrMo44 |
0.10~0.18 |
0.1~0.35 |
0.40~0.70 |
≤0.030 |
0.70~1.10 |
0.45~0.65 | |
10CrMo910 |
0.08~0.15 |
≤0.50 |
0.40 0.70 |
≤0.030 |
2.00~2.50 |
0.90~1.20 |
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
DIN17175 |
St35.8 |
360~480 |
≥235 |
≥25 |
St45.8/Ⅲ |
410~530 |
≥255 |
≥21 | |
15Mo3 |
450~600 |
≥270 |
≥20 | |
13CrMo44 |
440~590 |
≥290 |
≥20 | |
0CrMo910 |
450~600 |
≥280 |
≥18 |
外径允许偏差 | ||
标准 |
外径(D) |
外径允许偏差 |
GB3087-1999 |
≤159 |
±1.0%(小为±0.5mm) |
>159 |
±1.0% | |
GB5310-1995 |
≤159 |
±1.0%(小为±0.5mm) |
>159 |
±1.0% |
壁厚允许偏差 | |||
标准 |
壁厚(S) |
壁厚允许偏差 | |
GB3087-1999 |
≤20 |
+15%,-12.5%(小为+0.45mm,-0.35mm) | |
>20 |
±12.5% | ||
GB5310-1995 |
<3.5 |
+15%(小为+0.48mm) | |
-10%(小为+0.32mm) | |||
3.5-20 |
+15%,-10% | ||
>20 |
D<219 |
±10% | |
D≥219 |
+12.5%,-10% |
纵向力学性能 | |||||
标准 |
牌号 |
抗拉强度(MPa) |
屈服点(MPa)≥ |
伸长率(%)≥ |
冲击功(J)≥ |
GB3087-1999 |
10 |
333-475 |
196 |
24 |
- |
20 |
392-588 |
245/226 |
20 |
- | |
GB5310-1995 |
20G |
410-550 |
245 |
24 |
35 |
20MnG |
≥415 |
240 |
22 |
35 | |
25MnG |
≥485 |
275 |
20 |
35 | |
15MoG |
450-600 |
270 |
22 |
35 | |
20MoG |
≥415 |
220 |
22 |
35 | |
12CrMoG |
410-560 |
205 |
21 |
35 | |
15CrMoG |
440-640 |
235 |
21 |
35 | |
12Cr2MoG |
450-600 |
280 |
20 |
35 | |
12Cr1MoVG |
470-640 |
255 |
21 |
35 | |
12Cr2MoWVTib |
540-735 |
345 |
18 |
35 |
化学成份 | ||||||||||||
标准 |
牌号 |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
Ti |
B |
W |
GB3087-1999 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.15 |
- |
- |
- |
- |
- |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.25 |
- |
- |
- |
- |
- | |
GB5310-1995 |
20G |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- |
20MnG |
0.17-0.24 |
0.17-0.37 |
0.70-1.00 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- | |
25MnG |
0.22-0.30 |
0.17-0.37 |
0.70-1.00 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- | |
15MoG |
0.12-0.20 |
0.17-0.37 |
0.40-0.80 |
0.030 |
0.030 |
- |
0.25-0.35 |
- |
- |
- |
- | |
20MoG |
0.15-0.25 |
0.17-0.37 |
0.40-0.80 |
0.030 |
0.030 |
- |
0.44-0.65 |
- |
- |
- |
- | |
12CrMoG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.40-0.70 |
0.40-0.55 |
- |
- |
- |
- | |
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.80-1.10 |
0.40-0.55 |
- |
- |
- |
- | |
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.030 |
0.030 |
2.00-2.50 |
0.90-1.20 |
- |
- |
- |
- | |
12Cr1MoG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.90-1.20 |
0.25-0.35 |
0.15-0.30 |
- |
- |
- | |
12Cr2MoWVTiB |
0.08-0.15 |
0.45-0.75 |
0.45-0.65 |
0.030 |
0.030 |
1.60-2.10 |
0.50-0.65 |
0.28-0.42 |
0.08-0.18 |
0.002-0.18 |
0.30-0.55 |
标准 |
牌号 |
抗拉强度(MPA) |
屈服强度(MPA) |
ASTM A106 |
A |
≥330 |
≥205 |
B |
≥415 |
≥240 | |
C |
≥485 |
≥275 |
标准 |
牌号 |
化学成分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V | ||
ASTM A106 |
A |
≤0.25 |
≥0.10 |
0.27~0.93 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
B |
≤0.30 |
≥0.10 |
0.29~1.06 |
≤0.035 |
≤0.035 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 | |
C |
≤0.35 |
≥0.10 |
0.29~1.06 |
≤0.35 |
≤0.35 |
≤0.40 |
≤0.15 |
≤0.40 |
≤0.40 |
≤0.08 |
钢管种类 |
外径(D) |
壁厚(S) | ||
冷拔管 |
外径 |
允许公差 |
壁厚 |
允许公差 |
>30~50 |
+0.3% |
≤25 |
+10% | |
>50~325 |
+0.8% | |||
热轧管 |
>6~168 |
+1.0% |
≤25 |
-10%,+12.5% |
钢管种类 |
钢管尺寸
mm |
允许偏差 | |||
普通级 |
高级 | ||||
热轧(挤)管 |
外径
D |
≤159 |
+1.0%(小值为+0.5mm) |
+0.75%(小值为+0.3mm) | |
>159 |
+1.0% |
+0.90% | |||
壁厚
S |
<3.5 |
+15%(小值为+0.48mm)
-10% (小值为-0.32mm) |
+1.0%(小值为+0.2mm) | ||
3.5~20 |
+15%
-10% |
+10% | |||
>20 |
D<219 |
+10% |
+7.5% | ||
D≥219 |
+12.5%
-10.0% |
+10% | |||
冷拔(轧)管 |
外径
D |
≤30 |
+0.20mm |
+0.15mm | |
>30~50 |
+0.30mm |
+0.25mm | |||
>50 |
+0.8% |
+0.6% | |||
壁厚
S |
2~3 |
+12%
-10% |
+10% | ||
>3 |
+10% |
+7.5% |
标准 |
牌号/抗拉强度(Mpa) |
屈服强度(Mpa) |
伸长率(%) | |
5310-95 |
20G |
410~550 |
≥ 245 |
≥ 24 |
25MnG |
≥ 415 |
≥ 240 |
≥ 22 | |
15MoG |
450~600 |
≥ 270 |
≥ 22 | |
15CrMoG |
440~640 |
≥ 235 |
≥ 21 | |
12Cr2MoG |
450~600 |
≥ 280 |
≥ 20 | |
12Cr1MoVG |
470~640 |
≥ 255 |
≥ 21 |
标准 |
牌号 |
化学成分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
| ||
GB5310 |
20G |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ |
20MnG |
0.17-0.24 |
0.17-0.37 |
0.70-1.00 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ | |
15MoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.80 |
≤0.030 |
≤0.030 |
/ |
0.25-0.35 |
≤0.20 |
≤0.30 |
/ | |
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.80-1.10 |
0.40-0.55 |
≤0.20 |
≤0.30 |
/ | |
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
≤0.030 |
≤0.030 |
2.00-2.50 |
0.90-1.20 |
≤0.20 |
≤0.30 |
/ | |
12Cr1MoVG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.90-1.20 |
0.25-0.35 |
≤0.20 |
≤0.30 |
0.15-0.35 |
外径允许偏差 | ||
标准 |
外径(D) |
外径允许偏差 |
GB3087-1999 |
≤159 |
±1.0%(小为±0.5mm) |
>159 |
±1.0% | |
GB5310-1995 |
≤159 |
±1.0%(小为±0.5mm) |
>159 |
±1.0% |
壁厚允许偏差 | |||
标准 |
壁厚(S) |
壁厚允许偏差 | |
GB3087-1999 |
≤20 |
+15%,-12.5%(小为+0.45mm,-0.35mm) | |
>20 |
±12.5% | ||
GB5310-1995 |
<3.5 |
+15%(小为+0.48mm) | |
-10%(小为+0.32mm) | |||
3.5-20 |
+15%,-10% | ||
>20 |
D<219 |
±10% | |
D≥219 |
+12.5%,-10% |
纵向力学性能 | |||||
标准 |
牌号 |
抗拉强度(MPa) |
屈服点(MPa)≥ |
伸长率(%)≥ |
冲击功(J)≥ |
GB3087-1999 |
10 |
333-475 |
196 |
24 |
- |
20 |
392-588 |
245/226 |
20 |
- | |
GB5310-1995 |
20G |
410-550 |
245 |
24 |
35 |
20MnG |
≥415 |
240 |
22 |
35 | |
25MnG |
≥485 |
275 |
20 |
35 | |
15MoG |
450-600 |
270 |
22 |
35 | |
20MoG |
≥415 |
220 |
22 |
35 | |
12CrMoG |
410-560 |
205 |
21 |
35 | |
15CrMoG |
440-640 |
235 |
21 |
35 | |
12Cr2MoG |
450-600 |
280 |
20 |
35 | |
12Cr1MoVG |
470-640 |
255 |
21 |
35 | |
12Cr2MoWVTib |
540-735 |
345 |
18 |
35 |
化学成份 | ||||||||||||
标准 |
牌号 |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
Ti |
B |
W |
GB3087-1999 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.15 |
- |
- |
- |
- |
- |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.035 |
0.035 |
≤0.25 |
- |
- |
- |
- |
- | |
GB5310-1995 |
20G |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- |
20MnG |
0.17-0.24 |
0.17-0.37 |
0.70-1.00 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- | |
25MnG |
0.22-0.30 |
0.17-0.37 |
0.70-1.00 |
0.030 |
0.030 |
- |
- |
- |
- |
- |
- | |
15MoG |
0.12-0.20 |
0.17-0.37 |
0.40-0.80 |
0.030 |
0.030 |
- |
0.25-0.35 |
- |
- |
- |
- | |
20MoG |
0.15-0.25 |
0.17-0.37 |
0.40-0.80 |
0.030 |
0.030 |
- |
0.44-0.65 |
- |
- |
- |
- | |
12CrMoG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.40-0.70 |
0.40-0.55 |
- |
- |
- |
- | |
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.80-1.10 |
0.40-0.55 |
- |
- |
- |
- | |
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
0.030 |
0.030 |
2.00-2.50 |
0.90-1.20 |
- |
- |
- |
- | |
12Cr1MoG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
0.030 |
0.030 |
0.90-1.20 |
0.25-0.35 |
0.15-0.30 |
- |
- |
- | |
12Cr2MoWVTiB |
0.08-0.15 |
0.45-0.7, 5 |
0.45-0.65 |
0.030 |
0.030 |
1.60-2.10 |
0.50-0.65 |
0.28-0.42 |
0.08-0.18 |
0.002-0.18 |
0.30-0.55 |