1. Plastic Mould Steel 738
2. Route of Smelting: EAF+LF+VD+ESR
3. ISO9001-2008
4. Pure steel, capable of being etch machined.

738 Plastic mould steel

Huayu grade: HY-H738

Chemical composition: (%)

C: 0.37

Si: 0.32

Mn: 1.25

Cr: 1.85

S: ≤ 0.03

P: ≤ 0.03

Mo: 0.35

Ni:1.00

Smelting process: EAF+LF+VD+ESR

Delivery condition: pre-harden or tempering

Hardness: pre-hardened 28-32HRC