Shanghai Jieteng Precision Mold Factory

Shanghai Jingteng Metal Group Co., Ltd.

   
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SNC631

SNC631

SNC631 Military steel
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SNC631 Military steel



Material Name


Material Name: SNC631
Execution standard: JIS G4053-2003

Chemical Composition


C Si Mn S P Cr Ni Cu
0.27～0.35 0.15~0.35 0.35～0.65 Below 0.030 Below 0.030
 0.60～1.00
 2.50～3.00
 Below 0.030

Mechanical Property


Tensile strength
σb (MPa) 		Yield Strength
σs 0.2 (MPa)
Elongation
δ5 (％)
reduction of crosssection area
ψ (％)
 ballistic work
Akv (J) 		pounding toughness value
αkv (J/cm2)

  Hardness

specimen size
Above 980 Abov 785 Above 9 Above 45
 Above 63
 Above 78
                Below 241HB          25mm



specification of heat treatment and metallurgical structure


Specification of heat treatment : hardening 820℃ , oil cooling; tempering 500℃ , water cooling, oil cooling.

Delivery State


Heat treatment (normalizing, annealing or high temperature tempering) or non heat treatment state of delivery, the delivery state should be indicated in the contract.