|
Table for the bearing steel chemical composition |
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|
Chemical Composition(%) |
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|
No. |
C |
Mn |
Si |
Cr |
S |
P |
Ni |
Cu |
HB |
|
|
< |
||||||||||
|
GCr15 |
0.95-1.05 |
0.20-0.4 |
0.15-0.35 |
1.30-1.65 |
0.020 |
0.027 |
0.30 |
0.25 |
170-207 |
|
|
Table ofor the contrast of bearing steel No.of each country |
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|
Country |
China |
ISO |
USA |
Germany |
Japan |
Sweden |
||||
|
Bearing steel No. |
GCr15 |
683/XV11 |
AISI52100 |
Din100Cr6 |
JisSUJ2 |
SKF3 |
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|
Table for the contrast of bearing accurancy |
|
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|
Country |
Standard |
Accurancy Grade |
||||||||
|
China |
GB307.1 |
0 |
6 |
5 |
4 |
2 |
||||
|
International Standard Organization |
ISO |
0 |
6 |
5 |
4 |
2 |
||||
|
Sweden |
SKF |
P0 |
P6 |
P5 |
P4 |
P2 |
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|
Germany |
DIN |
P0 |
P6 |
P5 |
P4 |
P2 |
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|
Japan |
JIS |
P0 |
P6 |
P5 |
P4 |
P2 |
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|
U.S.A |
ANSI |
ABEC1 |
ABEC3 |
ABEC5 |
ABEC7 |
ABEC9 |
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Post time: Sep-25-2018