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Grade: AISI52100
Deliver condition & available size
Cold drawn in coil size: 0.80mm--16.0mm coil I.D.: 400-550MM
Cold drawn in bar size: 2.0mm--16.0mm length:1500mm--4000mm
Cold drawn + Ground bar: 2.0mm--12.0mm length:1500mm--4000mm
Size tolerance: H11 or customer's technical request
Roundness: not more than 1/2 size tolerance
|
STANDARD |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
|
AISI |
52100 |
0.93/1.05 |
0.15/0.35 |
0.25/0.45 |
0.025 |
0.015 |
1.30/1.60 |
0.10 |
0.35 |
|
JIS |
SUJ-2 |
0.95/1.05 |
0.15/0.35 |
0.25/0.45 |
0.025 |
0.025 |
1.40/1.65 |
0.10 |
0.25 |
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DIN |
100Cr6 |
0.93/1.05 |
0.15/0.35 |
0.25/0.45 |
0.025 |
0.015 |
1.35/1.60 |
- |
0.30 |
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GB |
GCr15 |
0.95/1.05 |
0.15/0.35 |
0.25/0.45 |
0.025 |
0.025 |
1.40/1.65 |
0.10 |
0.25 |
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Thermal treatment of bearing steel
|
Grade |
Annealing |
Isothermal annealing |
Normalize |
|
52100 |
temperature
（℃） |
Cooling |
Hardness
（HB） |
Thermal treatment
temperature
（℃） |
Cooling |
Hardness
（HB） |
temperature
（℃） |
Cooling |
Hardness
（HB） |
|
790~810 |
furnace |
179~207 |
770~
780 |
690~
720 |
Air |
187~
228 |
900~950 |
Air |
270~390 |
|
Grade |
High tempering |
Quenching |
Tempering |
|
52100 |
temperature
（℃） |
hardness
（HB） |
temperature
（℃） |
Cooling |
Hardness
（HB） |
temperature
（℃） |
Hardness
（HB） |
|
650~700 |
229~285 |
840 |
Oil |
≥65 |
150~170 |
62~66 | | | |
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