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ASTM5130 Alloy Steel

ASTM5130 Alloy Steel

ASTM5130 Alloy Steel
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ASTM5130 Alloy Steel



Material Name


Material Name: ASTM5130
Execution standard: ASTM A29/A29M-04

Characteristics and scope of application


compared with the 30 steel, it has higer strength and hardenability, always used in hardened and tempered state, can also used after normalizing. used in the important parts under wear and impact load work, such as shaft, small shaft, lever, rocker, the connecting rod, bolt, nut, gear and all kinds of roller, etc. 


Chemical Composition 


C Si Mn S P Cr Ni Cu
0.28～0.33 0.15～0.35 0.70～0.90 Below 0.040 Below 0.035
 0.80～1.10 Below 0.030 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 885 Above 685 Above 11 Above 45
 Above 47
 Above 59
   Below 187 25mm

specification of heat treatment and metallurgical structure

 
Specification of heat treatment : normalizing 860℃, 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.