Standard:
GB 18248------- China standard
JIS G3429------ Japan standard
Application:
Applicable to the manufactureof high-pressure containers, cylinders with seamless steel pipe.
Grade:
37Mn、34Mn2V、30CrMo、35CrMo、STH11、STH12、STH21、STH22 etc.
Mechanical Character
Standard |
Grade |
Tensile Strength(MPa) |
Yield Strength(MPa) |
Elongation(%) |
GB 18248 |
37Mn |
≥750 |
≥630 |
≥16 |
34Mn2V |
≥745 |
≥530 |
≥16 |
|
30CrMo |
≥930 |
≥785 |
≥12 |
|
35CrMo |
≥980 |
≥835 |
≥12 |
Chemical Composition
Standard |
Grade |
Chemical Composition |
||||||||
C |
Si |
Mn |
P、S |
Cu |
Ni |
Mo |
Cr |
V |
||
GB18248 |
37Mn |
0.34~0.40 |
0.10~0.30 |
1.35~1.65 |
≤0.030 |
≤0.20 |
≤0.30 |
/ |
≤0.30 |
/ |
34Mn2V |
0.30~0.37 |
0.17~0.37 |
1.40~1.75 |
≤0.030 |
≤0.20 |
≤0.30 |
/ |
≤0.30 |
0.07~0.12 |
|
30CrMo |
0.26~0.34 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.20 |
≤0.30 |
0.15~0.25 |
0.80~1.10 |
/ |
|
35CrMo |
0.32~0.40 |
0.17~0.37 |
0.40~0.70 |
≤0.030 |
≤0.20 |
≤0.30 |
0.15~0.25 |
0.80~1.10 |
/ |
|
JIS G3429 |
STH11 |
≤0.50 |
0.10~0.35 |
≤1.80 |
≤0.035 |
/ |
/ |
/ |
/ |
/ |
STH12 |
0.30~0.41 |
0.10~0.35 |
1.35~1.70 |
≤0.030 |
/ |
/ |
/ |
/ |
/ |
|
STH21 |
0.25~0.35 |
0.15~0.35 |
0.40~0.90 |
≤0.030 |
/ |
≤0.25 |
0.15~0.30 |
0.80~1.20 |
/ |
|
STH22 |
0.33~0.38 |
0.15~0.35 |
0.40~0.90 |
≤0.030 |
/ |
≤0.25 |
0.15~0.30 |
0.80~1.20 |
/ |
Address:No. 58 Beihuan Road,Yuecheng Town, Jiangyin City, Jiangsu Province.
Tel:0510-86982985
Fax:0510-86981228
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Website:www.jycrs.com.cn
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Address:No. 58 Beihuan Road,Yuecheng Town, Jiangyin City, Jiangsu Province. Tel:0510-86982985 Fax:0510-86981228