Bearing steel bar GCR15
1,Technic:Forged
2,Material:GCr15,SAE 52100,SUJ2,100Cr6
3,Size:150-500mm
4,Length:8m max
5,UT Test:Sep 1921 Class C/c or D/d
6:Delivery condition:Soft Annealing,Spheroidizing Annealing
Hardness:170-207HB
7,Cert.:Mill test certificate or EN10204-3.1 or Third party inspection.Including heating number,
specification,chemical composition,mechanical property,ut test report,Heat treatment and so on.
8,MOQ:20T
9,Delivery time:30-45days
10,Packing:Loose packing or in accordance with customer's requirement
Chemical composition(%):
C | Si | Mn | P | S | Cr | Mo |
0.95-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.025 | ≤0.025 | 1.4-1.65 | 0.1 max |
Heat treatment:
Annealing: Heat to 790-810°C,furnace cool to 650°C,then cool in air |
Normalized: Heat to 900-920°C,cool in air |
High Temperature Tempered: Heat to 650-700°C,cool in air |
Quenched: Heat to 860°C,oil quenched |
Low Temperature Tempered: Heat to 150-170°C,cool in air |
Best lion provide bearing steel with bright and black surface,bars can be made according to the customer's requirements.
Bearing steel bar GCR15