Plastic Mould Steel
Your Professional Plastic Mould Steel Supplier
Established in 2013, Jinqing Mold Steel is a professional supplier and the exclusive authorized distributor of Baowu Special Metallurgy Co., Ltd. in the Huangyan district. We proudly serve a renowned clientele, including Dongfeng Xiaokang, Dongfeng Liuzhou Auto, Zhejiang Saihao, and many other leading mold companies.
why choose us
Foreign Trade Market
With good reputation in Europe, Southeast Asia, Middle East, South America and Africa,our annual export volume twenty-five million dollars,about forty percentage of total sales,especially our Wear Resistant Steel Plate, Weathering Steel Plate, High Strength Carbon Steel Plate are popular with Southeast Asia, Middle East customer .
Quality Control
We produce as per the confirmed technology or drawings for each order for our customers. And our factory has a strict quality control system. We inspect goods during production according to a certain frequency and we also perform the final inspection before the goods are packed.
Professional Team
Our company has a research and development team with 15 years of Plastic Injection Mold in carbon fiber product development,an independent mold production workshop, and advanced production equipment.
Advanced Production Equipment
We is a professional production monitoring system factory integrating product development, production and market.We have a full range of processing technology, up to five axis.The machines are equipped with automatic tool changer and laser calibration tool.
Plastic Mould Steel Specifications
|
Property |
Description |
|
Material Type |
Pre-hardened plastic mold steel |
|
Hardness |
HRC 33-38 |
|
Heat Treatment |
Supplied pre-hardened, can be nitrided or surface polished |
|
Density |
7.85 g/cm³ |
|
Surface Finish |
Mirror polishable / Etching available |
|
Application |
Injection molds for home appliances, automotive interiors, and electronics |
Features

Hardness & Strength:
High hardness and strength to resist deformation from intense pressure and mechanical stress.

Corrosion Resistance:
Resistance to the corrosive nature of molten polymers, particularly important for certain plastics.

Wear Resistance:
Excellent resistance to abrasion from molten plastics and repeated cycles, often enhanced by alloying elements like chromium.

Thermal Stability:
Ability to withstand high temperatures without softening and good thermal fatigue resistance for repeated heating/cooling cycles.
Applications
Automotive Components
Automotive manufacturers rely heavily on plastic mould steel for producing interior panels, bumpers, and engine components. These parts require high durability and resistance to heat and chemicals.
01
Electronics Housings
Consumer electronics, such as smartphones and laptops, demand intricate moulds capable of producing detailed, high-quality plastic shells. Plastic mould steel ensures these moulds can produce thousands of units without degradation. The outcome is high-resolution, defect-free casings that enhance brand reputation.
02
Medical Devices
Medical equipment often requires sterile, durable, and precise plastic parts. Plastic mould steel provides the necessary hardness and corrosion resistance for moulds used in producing surgical tools, syringes, and diagnostic devices.
03
Packaging Solutions
Plastic mould steel is vital in manufacturing packaging for food, beverages, and pharmaceuticals. Moulds made from these steels can produce high-volume, high-precision containers, bottles, and caps. The steel’s wear resistance ensures that moulds can operate for millions of cycles without degradation, maintaining product integrity.
04
Package & Shipping
The inner size of container is below:
20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
Packing Details:
Export standard package, or as customers request.
Delivery Details :
7-15 Days, or according to the order quantity or upon negotiation.
















