Bozhong 2738 mod.HH – Steels For Molds Tools And Die

Short Description:

A HRC 40 prehardened mould steelPremium mould steel that meets or exceeds standards for grades W 1.2738HH. Material properties Prehardened steel for medium and very large – size moulds and tools with good machinability. Consistent texturing and polishing improved by very low sulphur content. Reliable repair welding and good thermal conductivity. For which toolsPlastic injection mould cores and cavities, large – size moulds for bumpers, dashboards, fenders, television panels, bottle crates, ...


Product Detail

Product Tags

A HRC 40 prehardened mould steel
Premium mould steel that meets or exceeds standards for grades W 1.2738HH.

Material properties
Prehardened steel for medium and very large – size moulds and tools with good machinability. Consistent texturing and polishing improved by very low sulphur content. Reliable repair welding and good thermal conductivity.

For which tools
Plastic injection mould cores and cavities, large – size moulds for bumpers, dashboards, fenders, television panels, bottle crates, etc.

For which plastics
Thermoplastics, thermosetting plastics, ABS, transparent melts. Injection moulding, compression moulding, RIM moulding, etc.

Chemical Analysis
Typical values (weight%)

C Si S Ni Cr Mo V B
0.26 0.10 0.002 0.30 1.70 0.52 0.05 +

Mechanical Properties
Bozhong 2738 mod. HH is delivered quenched and tempered to 330 – 360 HB (34 – 38 HRC).

Test thickness Test hardness Yield strength Tensile strength
400 mm 345 HB 940 N/mm2 1095 N/mm2

Delivery Conditions
Typical delivery sizes

Manufacturing process Thickness Width
Hot rolling 15 – 150 mm 1000 – 2000 mm
Hot forging 150 – 1200 mm 1200 – 2000 mm

  • Previous:
  • Next:

  • Send your message to us:

    INQUIRY NOW
    • * CAPTCHA: Please select the Car

    Related Products

    INQUIRY NOW
    • * CAPTCHA: Please select the House