According ASTM A276


Plastic mould steel
7-day express delivery
Minimum order quantity of 1 ton
Precision machining provided by our own factory
Supporting multiple payment methods: CIF CFR FOB EX-WORK
Multi-port delivery at Shanghai, Ningbo, and Guangzhou
Supporting sample services
Botec company can provide various grades of mould steel with professional technology and equipment.Our products are approved by international standards.And we can meet what the customers need to produce.Currently our mould steels have been widely used in automobile manufacturing, electronic products, home appliance manufacturing, medical equipment and other fields,and we have cooperated with many famous brands.
Steel grades included in the standard
Steel grade designation | Name | THICKNESS from _ to in mm | DIAMETER from _ to in mm |
---|---|---|---|
440C | Plastic mould steel | — | 5.0-100.0 |
NOTE: Not all thickness and width combinations are possible.
Chemical composition of symbol standards
Steel grade | C [%] | Si [%] | Mn [%] | P [%] | S [%] | Cr [%] | Ni [%] | Cu [%] | Mo[%] | Ti[%] |
---|---|---|---|---|---|---|---|---|---|---|
440C | 0.95~1.2 | — | — | — | — | — | 16~18 | — | 0.75 | — |
NOTE: Mass fraction in ladle analysis.
Mould steel is used to make cold-punching mould, hot forged mould, die casting die and other die steel. Mould steels have high hardness, strength, wear resistance, sufficient toughness, as well as high hardenability, hardenability and other process properties.
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Contact and Support

Ilin Ye
Steel Business Manager
5F, Building 7, No. 7 Youyi Road,
Baoshan District,
Shanghai, China.
Baoshan District,
Shanghai, China.
t/f: +86 (0)21 56162819
m: +86 15618590326