Plastic Mould Steel (เหล็กทำแม่พิมพ์พลาสติก)

 

  02-295-1000
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 M310

Bohler M310: Equivalent* SUS420J2, 420, 1.2083, HPM38

 

 Chemical composition (average %)

  C Si Mn Cr V
M310  0.38 0.70  0.45  14.30  0.20

 

Material characteristic and use

Properties Advanced martensitics stainless chromium steel for plastic moulds. Thanks to
electroslag remelting, special measures in hot forminng and heat treatment and
optimization of chemical composition the BOHLER grade M310 ISOPLAST offers
numerous advantages:
   ● Capability of taking a high polish
   ● Good corrosion resistance
   ● Good photoetching properties
   ● Good machinability
   ● High wear resistance
   ● Air hardenability up to 100 mm
   
Application Mould for chemically aggressive plastics (e.g. PVC) and plastics containing abrasive
fillers. Owing to its excellent polishability this grade is particularly suited for moulds 
of lenses and other kinds of optical products, such as spectacles, camera parts.
BOHLER M310 ISOPLAST provides together with the stainless mould frame steel.
   
As-supplied condition Annealed: max. 225 HB

 

Physical characteristics

    Temperature
    20 ºC 100 ºC 200 ºC 300 ºC 400 ºC 500 ºC 600 ºC 700 ºC
Density (kg/dm3)  7.70              
Thermal conductivity W/(m·K)  22.0              
Specific heat J/(kg·K)  460              
Electrical resistivity Ohm·mm2/m  0.65              
Modulus of elasticity 103N/mm2  220  218  212  205  197      
Thermal expansion 10-6m/(m·K)    10.5  11.0  11.0  11.5  12.0    

* Chemical composition is only reference and might not be the same

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โทรศัพท์ : 66(0) 2295-1000-8,66(0) 2295-1901-6
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