Phone: +8621 3378 0199
E-mail:sales@sunnysteel.com
用途:
主要钢级牌号:
标准 |
钢级 |
化学成分(%) |
||||||
C |
Mn |
Si |
V |
Cr |
Mo |
P.S |
||
GB5310 |
20G |
0.17~0.24 |
0.35~0.65 |
0.17~0.37 |
/ |
/ |
/ |
≤ 0.030 |
25MnG |
0.22~0.30 |
0.70~1.00 |
0.17~0.37 |
/ |
/ |
/ |
≤ 0.030 |
|
15MoG |
0.12~0.20 |
0.40~0.80 |
0.17~0.37 |
/ |
/ |
0.25~0.35 |
≤ 0.030 |
|
15CrMoG |
0.12~0.18 |
0.40~0.70 |
0.17~0.37 |
/ |
0.80~1.10 |
0.40~0.55 |
≤ 0.030 |
|
12Cr2MoG |
0.08~0.15 |
0.40~0.70 |
≤ 0.50 |
/ |
2.00~2.50 |
0.90~1.20 |
≤ 0.030 |
|
12Cr1MoVG |
0.08~0.15 |
0.40~0.70 |
0.17~0.37 |
0.15~0.30 |
0.90~1.20 |
0.25~0.35 |
≤ 0.030 |
标 准 |
牌 号 |
化 学 成 分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
V | ||
ASTM A192/ASME SA192 |
A192 / SA192 |
0.06~0.18 |
≤0.25 |
0.27~0.63 |
≤0.035 |
≤0.035 |
|
/ |
/ |
/ |
/ |
抗拉强度 (MPa) |
屈服强度 (MPa) |
伸长率(%) |
|||||
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 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
ASTM A192/ASME SA192 |
A192/SA192 |
≥325 |
≥180 |
≥35 |
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%(最小值为+0.5mm) |
+0.75%(最小值为+0.3mm) |
|
>159 |
+1.0% |
+0.90% |
|||
壁厚 S |
<3.5 |
+15%(最小值为+0.48mm) -10% (最小值为-0.32mm) |
+1.0%(最小值为+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% |
Our team are highly trained and experienced in servicing and producing all types of steel supplies. Whether you've got a large construction project, or need parts for industrial machinery, our team of steel fabrication consultants will ensure that your project is provided with the parts you need, when you need them.