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Product Description:
HPM75 is a premium non-magnetic mould steel with excellent mirror polishing, toughness, and corrosion resistance. It is ideal for plastic moulds requiring high surface finish and dimensional stability. The material is produced through a special refining process, ensuring uniform structure and long mould life.

Key Features:

✅ Non-magnetic, suitable for magnetic-sensitive environments

✅ Excellent mirror polishability

✅ High toughness and easy machining performance

✅ Superior corrosion and rust resistance

✅ Stable after heat treatment with minimal deformation

Hardness: Pre-hardened to HRC 38–42
Available Forms: Plates, Round Bars, Forged Blocks
Size Range: Thickness from 20mm, custom cutting available

Typical Applications:

Non-magnetic moulds and jigs

Optical and transparent plastic moulds

Medical device moulds

Precision electronic mould components

Equivalent Grades: PX5, NAK80, S-STAR

Search Keywords:
HPM75 mould steel, non-magnetic mould steel, high polish steel, corrosion resistant mould steel, mirror finish steel, plastic mould material, tool steel supplier

Company Information:
Dongguan Oushang Metal Materials Co., Ltd.
Main Products: Mould steel, Stainless steel, High speed steel, Tool steel
Email: oushang88@gmail.com

Contact: Chen Nuo
Address: Dongguan, Guangdong, China

We supply ready stock and custom cutting service. Welcome your drawings and inquiries!