Shanghai Jieteng Precision Mold Factory

Shanghai Jingteng Metal Group Co., Ltd.

   
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SCr445 Alloy Steel

SCr445 Alloy Steel

SCr445 Alloy Steel
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Diameter：
  
SCr445 Alloy Steel



Material Name


Material Name: SCr445
Execution standard: JIS G4053-2003


Chemical Composition 


C Si Mn S P Cr Ni Cu
0.43～0.48 0.15～0.35 0.60～0.90 Below 0.035 Below 0.035
 0.90～1.20 Below 0.25 Below 0.030

 Mechanical Property


Tensile strength
σb (MPa) 		Yield Strength
σs 0.2 (MPa)
Elongation
δ 5 (％)
reduction of crosssection area 
ψ (％)
 ballistic work
Akv (J) 		pounding toughness value
 αkv (J/cm2)
 Hardness
(HB)
specimen size 
Above 1030 Above 835 Above 9 Above 40
 Above 39
 Above 49
   Below 217 25mm

specification of heat treatment and metallurgical structure

 
Specification of heat treatment : normalizing 840℃, oil cooling; tempering 520℃, 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.