| 常用材料
|
PART NAME
|
MATERIAL
|
内外圈
|
AISI440C 9Cr18Mo
|
AISI440B 9Cr18
|
AISI304 OCr18Ni9
|
AISI316
0Cr17Ni12Mo2
|
钢球
|
AISI440C
|
AISI440C
|
AISI304
|
AISI316
|
保持器
|
AISI304
|
AISI304
|
密封圈RS
防尘盖ZZ
|
ZZ
AISI304
|
The chemical composition of different stainless steel numbers
|
Stainless steel NO.
|
C％
|
Cr％
|
Si％
|
Mn％
|
S％
|
P％
|
Mo％
|
Ni％
|
|
AISI440B
|
0.90-1.00
|
17-19
|
≤0.8
|
≤0.8
|
≤0.03
|
≤0.035
|
|
|
|
AISI440C
|
0.95-1.10
|
16-18
|
≤0.8
|
≤0.8
|
≤0.03
|
≤0.035
|
0.4-0.7
|
|
|
AISI304(304L)
|
≤0.07
|
17-19
|
≤1
|
≤2
|
≤0.03
|
≤0.035
|
|
8-11
|
|
AISI316(316L)
|
≤0.08
|
16-18.5
|
≤1
|
≤2
|
≤0.03
|
≤0.035
|
2-3
|
10-14
|
The contrast of bearing steel number of each country
|
Country
|
China
|
U.S.A
|
Germany
|
Japan
|
France
|
|
DIN
|
W-Nr
|
Bearing
Steel
NO.
|
9Cr18
|
AISI440B
|
X90CrMoV18
|
1.4112
|
SUS440
|
Z105CrMo17
|
|
9Cr18Mo
|
AISI440C
|
X105CrMo17
|
1.4125
|
SUS440C
|
Z105CrMo17
|
|
0Cr18Ni9
|
AISI304
|
X5CrNi18-10
|
1.4301
|
SUS304
|
Z7CN18-09
|
|
0Cr17Ni12Mo2
|
AISI316
|
X5CrNiMo17-12-2
|
1.4401
|
SUS316
|
Z7CND18-12-03
|
| 
