Technologist sheet of Bearing steel tubes
Material Grade : Spheroidised Annealed Cold Drawn/roller seamless steel pipe
Standard :GCR15/Q/320281PA12-2004/EN31/SUJ2/100Cr6/sae52100
Chemical Analysis:
| Grade | C% | S% | P% | Mn% | Si% | Cr% | Ni% | Cu% | Mo% | O% | Al% |
| Gcr15 | 0.95~1.05 | <0.012 | <0.02 | 0.25~0.45 | 0.15~0.35 | 1.40~1.60 | <0.20 | <0.20 | <0.08 | <0.0009 | <0.050 |
Tolerance on the Size: As per customers requirements .
Micro Structure: Spheroidised Annealed condition shall posses uniformly fine distributed
Spheroidised carbides in ferrite matrix
Classification/Requirements as per SEP 1520 Chart
Size of Carbide CG 2.1 to 2.3
Pearlite Amount PA <3.1
Carbide Network CN 4.2 to 5.2(Max)
Carbide Streaks CZ 6.2 to 7.2(Max)
Inclusion Rate : Type Thin Thick
A 2 1.5
B 1.5 0.5
C 0 0
D 1.0 0.5
Others Conditions: As per customers requirements .
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