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BZ738/738H Plastic Mould Steel
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BZ738/738H Plastic Mould Steel

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STEEL GRADE OF VARIOUS COUNTRIES

GB

AISI

DIN

ASSAB

BOHLER

3Cr2NiMo
P20+Ni
1.2738
718
M238

CHEMICAL COMPOSITION

C
Si Mn Cr
Mo
Ni
BZ738
0.38
0.30
1.40
2.00
0.25 1.00


CONVENTIONAL SMELTING

EF+LF+VD


DELIVERY STATUS


Pre-hardened HRC30-36 or HRC 33-38 lLo


DELIVERY SIZE

Thickness 200-1200mm, Width 600-2200mm, Length 1000 -6000mm


The Main Purpose

1. Be suitable to the large automotive mold, be suitable to the plastic mold which was required uniform hardness, high toughness and the surface with good polishing finished.

2. For TV chassis, car bumpers and automotive dashboard and other large mold.

3. Can be nitrogen, suitable for surface treatment such as chrome, etching and so on


The Main Characteristic

1. The hardness uniformity,the tolerance +/-HRC 2 for surface and heart in thickness 1000mm below. Good polishing performance.

2. Good machine performance.

3.Can be nitrogen.



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