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1.0503 C45 S48C tool steel

1.0503 C45 S48C tool steel

1.0503 C45 S48C tool steel

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1.0503 C45 S48C tool steel




Material Name


Material Name: 1.0503 C45 S48C
Execution standard: EN 10083/2-1991

Characteristics and scope of application


For hardenability of poor, generally to the status of normalizing use, mechanical performance requirements higher, the quenching and tempering treatment. Cold plastic deformation of medium, annealing and normalizing the machinability is better than that of the quenched and tempered. Used for manufacturing high strength requirements of parts, such as gears, shaft, piston pins and force of machining parts, forgings, stamping parts and bolt, nut, pipe joints


Chemical Composition


C
 Si Mn Mo
 S P
 		Cr Ni
0.42-0.50
 Max 0.40 0.50-0.80
 Max 0.10
 Max 0.045 Max 0.045
 Max 0.40 Max 0.40

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
Min 600 Min 355 Min 16 Min 40
 Min 39
 Min 49
   Max 229 25mm

specification of heat treatment and metallurgical structure


Specification of heat treatment : normalizing 850℃, hardening 840℃ tempering 600℃

Delivery State


Heat treatment or heat treatment (annealing, quenching and high temperature tempering) state of delivery. For heat treatment delivery should be noted in the contract, does not indicate person by not heat treatment delivery.