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HPM38 Plastic Mold Steel – Pre-Hardened, High-Performance Tool Steel

Product Details

Product Details

Product Description

Product Description
Product Description:
HPM38 is a premium pre-hardened plastic mold steel with excellent polishability, machinability, and dimensional stability. It is widely used in high-precision molds, especially where a fine surface finish is required, such as transparent plastic products.
Key Features:
✅ Pre-hardened to HRC36–42 – No additional heat treatment required
✅ Excellent machinability and weldability
✅ High polishability – Ideal for optical and transparent plastic parts
✅ Good corrosion resistance – Less maintenance during mold operation
✅ Stable hardness and performance in long-term production
Typical Applications:
Plastic injection molds for transparent parts
Cosmetic product molds
Food-grade plastic molds
Precision electronic and medical component molds
Mold bases, cores, and cavities
Available Sizes:
Round bar: OD20mm–OD200mm
Flat bar: Customized sizes available
Length: Up to 3000mm
Surface Condition:
Black surface / Peeled / Precision milled
Why Choose Us:
Direct supply from Dongguan stock
Fast delivery & stable quality
Flexible MOQ – small and bulk orders accepted
Full material certification (mill cert, hardness report, etc.)
Packing:
Plastic film + iron belt + wooden box or steel-frame crate – Suitable for sea & air shipment
Contact Us:
Dongguan Oushang Metal Materials Co., Ltd.
📞 Contact: Lin Feng
📧 Email: xie881210@163.com
📱 WhatsApp/WeChat: +86 137 1192 5279
📍 Location: Dongguan City, Guangdong Province, China

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