PLASTIC MOULD STEELS (DIN 2738, 2311) – Low / High Hard

DIN 1.2738 is specially used for Plastic injection die molds. The characteristics of a material are right sharpening, photo-etching properties with high purity and good homogeneity. Din 2738 is upgraded version of plastic mold steel of 2311, which normally supply in Pre hardened condition. Hardness in as supplied condition 280-320 HB with having uniform hardness. The additional nickel content of 1% increases through hardening. It has good machinability, suitable texturing, fine polishability, adequate corrosion resistance, vacuum-degassed steel.

Application:

Automotive industries, Mould for bumpers, Crates, Plastic Furniture, Dashboard, Television cabinets, Boaster Plates of Presses, Die holders & Shoe blocks for Drop Hammers, Press Cassettes, Upsetter Blocker, Forging Dies, Different  Dies & Mould for plastic products Etc.

Chemical Composition

C

0.35-0.45

Si

0.20-0.40

Mn

1.40-1.70

P

<0.015

S

<0.004

Cr

1.80-2.20

Ni

0.90-1.30

Mo

0.15-0.30

Plastic Mold Steel
p20a
plastic-mold-steels