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:

Tolerance on the Size: As per customer’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 customer’s requirements .

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