Bearing steel bar GCR15

Bearing steel bar GCR15 Tech:forged Size:150-500mm Heating,Polish and turned are available

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