Plastic-mould-steel-P20-s

P20+S steel have great cutting properties, common use plastic mold, Injection molding and die mold. The P20+S steel materials delivery condition is according to various client necessities, normal conveyance condition as Pre-hardness, hardness 28-34 HRc.

P20+S steel is a pre-hardened CrMnMoS-alloyed tool steel for the development of plastic molds with lower surface prerequisites alluding to e.g. polishability and photoetchability. 2312 is portrayed by fantastic machinability and high dimensional stability.

Chemical Composition

Element Min Max
Carbon, C 0.35 0.45
Manganese, Mn 0.40 1.60
Silicon, Si 0.30 0.50
Molybdenum, Mo 0.15 0.25
Chromium, Cr 1.80 2.00
W
Vanadium, V
Co
Sulfur, S 0.05 0.10
Phosphorous, P 0.030

Physical Properties

Property Metric
Density 7.85 kg/cm³

Mechanical Properties

Property Metric Imperial
Izod impact unnotched 20.0 J
Poisson’s ratio 0.27–0.30 0.27–0.30
Elastic modulus 190–210 GPa 27557–30457 ksi

Thermal Properties

Property Conditions T (°C) Treatment
Thermal expansion: 12 x 10-6/ºC 20-100

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