Cold Draw Bearing Steel Tube

Technologist sheet of Bearing steel tubes PA12 ,EN31,SUJ2,100Cr6
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 customera s 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 customera s requirements .

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