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Shanghai Jingteng Metal Group Co., Ltd.

   
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ASTM4135 Alloy Steel

ASTM4135 Alloy Steel

ASTM4135 Alloy Steel
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ASTM4135 Alloy Steel



Material Name


Material Name: ASTM4135
Execution standard: ASTM A29/A29M-04

Characteristics and scope of application


Have high static strength, impact toughness and high fatigue limit, hardening was higher than 40Cr, high creep strength and rupture strength under high temperature, long-term working temperature can up to 500℃; medium plasticity when cold deformation, poor weldability. used as an important structure of the work pieces under high load, such as the transmission of a vehicle and engine parts; turbo generator rotor, spindle, heavy load transmission shaft, large section parts .


Chemical Composition 


C Si Mn S P Cr Ni Cu Mo
0.33～0.38 0.15～0.35 0.70～0.90 Below 0.040 Below 0.035
 0.80～1.10 Below 0.030 Below 0.030 0.15～0.25

 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 985 Above 835 Above 12 Above 45
 Above 63
 Above 78
   Below 229 25mm

specification of heat treatment and metallurgical structure

 
Specification of heat treatment : normalizing 850℃, oil cooling; tempering 550℃, 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.