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BZ638 Plastic Mould Steel
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BZ638 Plastic Mould Steel

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STEEL GRADE OF VARIOUS COUNTRIES

GB

AISI

DIN

JIS

ASSAB

3Cr2NiMo
P20 1.2311
Px4
618


CHEMICAL COMPOSITION

C
Si
Mn Cr Mo
Ni
BZ638
0.38
0.30
1.30
1.90 0.25 ≤0.50



CONVENTIONAL SMELTING

EF+LF+VD


DELIVERY STATUS

Pre-hardened HRC 30-36 lLo


DELIVERY SIZE

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


The Main Purpose


1.Pre-hard state can be easily processed directly.

2.Can satisfy the opaque or surface gloss requirements of ordinary plastic mold. Such as televisions, washing machines and other large and medium-sized shell mold.

3.Thick 810mm forged block, do not heat treatment after open the cavity,

improve mold afficiency.


The Main Characteristic

1.vacuum degassed and remove impurities when steel making, the gas content lowing.

2.organization dense, uniform hardness.

3.dimensional stability and precision lasting for mold production




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FoShan city GuangDong China
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