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42CrMo4/708m40/42CD4/2244/Scm440 (H) /4140 Seamless Rolled Rings, Forged Rings
FORGED SEAMLESS ROLLED RINGS /FORGED RING / GEAR RING
Heat Treatment: Quenched and Tempering
Machining: CNC Lathes
Test: lab test, hardness test, UT test and etc.

42CrMo4/708m40/42CD4/2244/Scm440 (H) /4140 Seamless Rolled Rings, Forged Rings
FORGED SEAMLESS ROLLED RINGS /FORGED RING / GEAR RING
Heat Treatment: Quenched and Tempering
Machining: CNC Lathes
Test: lab test, hardness test, UT test and etc.
