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Home Steels Tool Steels Plastic Mold Steels 1.2312 (MCMS)
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1.2311 (MCM)
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1.2316 (R65)

1.2312 (MCMS)

Plastic mould steel with additional sulphur, usually supplied in a quenched and

tempered condition. Polishable, better machinibility compared to 1.2311. Similar to AISI P20+S.

Categories: Plastic Mold Steels, Steels, Tool Steels
  • Description
  • APPLICATION AREAS
  • Technical Details
Description

They are plastic mold steels delivered in pre-hardened condition. 1.2312 is preferred for better machinability.

Due to its sulfur content, 1.2312 is not suitable for patterning. 1.2738 should be preferred for molds where the

hardness is required to be almost at the same level until the core and for better gloss properties.

APPLICATION AREAS

APPLICATION AREAS

It can be processed to the finished size and used immediately

in the production of plastic molds and holders.

It is flame hardenable and suitable for nitration.

Technical Details

Technical Details

Chemical Composition

Code: 1.2312, MCMS 40CrMnNiMo8-6-4

Carbon

Chromium

Molybdenum

Manganese

Sulfur

C

Cr

Mo

Mn

S

0,40

1,90

0,20

1,50

0,05

Heat Treatment

Temperature

Cooling

Hardness

Soft Annealing

710 – 740 °C

Furnace

235 HB

Stress Relief Annealing

500 – 550°C

Furnace

Hardening

830 – 870°C

oil or hot bath 180 – 220°C

see tempering diagram

Mechanical Properties

Hardness

30 – 48

HRC

Physical Properties

Thermal Expansion Coefficient

12,1 – 12,7 / 12,3 – 13,5

1/K * 10-6

Thermal Conductivity (20°C)

39,6

W/mK

Density

7,85

g/cm3

Fine Metal is Romanian supplier of special steels and alloys of copper for vital tools, molds, devices and other components for various industries.

  • +40 788-189-976
  • export@ finemetal.ro
  • Bulevardul Constructorilor 20 A Bucharest, Romania 060512

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    Tough Copper Alloys Inc

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    Bolokur

    • Company
    • Steel
      • Tool Steels
        • Cold Working Tool Steels
        • Hot Working Tool Steels
        • High Speed Steels
        • New Generation Tool Steels
        • Plastic Mold Steels
        • Powder Metallurgical Steels
      • Stainless Steels
        • Martensitic Stainless Steels
        • Martensitic – Austenitic Stainless Steels
        • Austenitic Stainless Steels
      • Nitriding Steels
        • 1.8519 (KHD)
        • 1.8550 (Ni50)
      • Other Steels
        • Carbon Steels
        • Case Hardening Steels
        • Heat Treatable Steels
        • Spring Steels
    • Copper
      • Pure Copper Alloys
        • Cu-ETP
        • Cu-OF
        • Cu-OFE
        • Cu-HCP
      • Hard Copper Alloys
        • Cupro B2
        • Cupro C
        • Cupro CB
        • Cupro CNB
        • Cupro MAX
        • Cupro NB
        • Cupro NS
        • Cupro NSS
        • Cupro NSH
        • Cupro Z
      • Tungsten Copper
        • Tuncop 70W/30Cu
        • Tuncop 75W/25Cu
        • Tuncop 80W/20Cu
      • Ready to Use
        • Metal Injection Pistons
        • Seam Welding
        • Spot Welding
        • Welding Arms and Holders
        • Wire EDM Billets
    • Bronze
      • Aluminum Bronzes
        • C61300
        • C61400
        • C61900
        • C62300
        • C62400
        • C63000
        • C63020
        • C63200
        • C64200
        • C64210
        • C95200
      • Copper Nickel Bronzes
        • C70600
        • C72900
        • C97300
        • C97600
        • C97800
      • Tin Bronzes
        • C86200
        • C86300
        • C86400
        • C86500
        • C86700
      • Brass Alloys
        • Cuprass (CuZnAl)
    • Productıon
    • Contact Us

    Do you have questions about how we can help your company? ​

    Phone: +40-788-189-976
    Email: export@ finemetal.ro
    Address: Bulevardul Constructorilor
    20 A Bucharest, Romania 060512

    Get answers to all your questions you might have.

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