Name: HS 718 Plastic Die Steel
Brand: Jiangsu Hongsheng Heavy Industry Group Co.,Ltd

HS 718 Plastic Die Steel

As modified pre-hardened mirror-surface plastic die steel, HS 718 has good hardenability, hardness uniformity (±1.5HRC）and mirror polishing property. It is a new generation of large-section pre-hardened mirror plastic mold steel.

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Chemical properties of HSSD 718

Steel Grade	C	Si	Mn	P	S	Cr	Mo	Nb
HS 718	0.25~0.35	0.10~0.30	1.50~2.00	≤0.015	≤0.005	1.30~1.70	0.30~0.40	0.02~0.04

Application of HSSD 718

Home appliances (TV box cover, Air conditioning shell, etc.) large-section-size plastic mold (Thickness up to 1000 mm).
Car inner decoration die, such as dashboard die, sound box die, etc.

Features of HSSD 718

A wide range of pre hardened hardness and good hardness uniformity.

The hardness of plastic mold steel ranges in 34~40HRC, which can be adjusted according to client requirements, and the section hardness fluctuates within ±1.5 HRC.