|
|
Intemational Grade |
National |
Standard No |
Grade |
Chemical Composition |
65
|
CHINA |
GB/T4354
1994 |
65 |
C0.62～0.70,Si0.17～0.37,Mn0.50～0.80,P≤0.035
S≤0.035,Cr≤0.25,Ni≤0.25,Cu≤0.25 |
U.S.A |
ASTM A29M
1993a |
1065 |
C0.60～0.70,Si0.15～0.35,Mn0.60～0.90,
P≤0.040,S≤0.050 |
JAPAN
|
JIS G3506
1998
|
SWRH 67A |
C0.64～0.71,Si0.15～0.35,Mn0.30～0.60
P≤0.030,S≤0.030 |
SWRH 67B |
C0.64～0.71,Si0.15～0.35,Mn0.60～0.90
P≤0.030,S≤0.030 |
70
|
CHINA |
GB/T4354
1994 |
70 |
C0.67～0.75,Si0.17～0.37,Mn0.50～0.80,P≤0.035
S≤0.035,Ni≤0.30,Cr≤0.25,Cu≤0.25
|
U.S.A |
ASTMA29M
1993a |
1070 |
C0.65～0.75,Si0.15～0.35.Mn0.60～0.90,
P≤0.040,S≤0.050 |
JAPAN
|
JIS G3506
1980
|
SWRH72A |
C0.69～0.76,Si0.15～0.35,Mn0.30～0.60,
P≤0.030,S≤0.030 |
SWRH72B |
C0.69～0.76,Si0.15～0.35,Mn0.30～0.90,
P≤0.030,S≤0.030 |
77MA
|
CHINA |
GB/T146-1998 |
77MnA |
C0.75～0.80,Si0.12～0.32,Mn0.60～0.90,
P≤0.030,S≤0.030,Cu≤0.20 |
JAPAN |
JISG3506-1996 |
SWRH77B |
C0.74～0.81,Si0.15～0.35,Mn0.60～0.90,
P≤0.040,S≤0.030 |
|
|
|
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