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Choose what is important and decisive factor in steel
by：Lisson
2020-11-20
Molding method from two types of basic material of choice.
hot working tool steel, it can withstand the die casting, forging and extrusion of the relatively high temperature.
cold work tool steels, it is used for blanking and shear, cold, cold extrusion molding, cold forging and powder extrusion forming.
plastic: some plastic produce corrosive by-products, long shutdown caused by condensation, corrosive gas, acid, cooling/heating, water or storage conditions and other factors also can produce corrosion. In these cases, it is recommended to use stainless steel material of die steel.
the mold size: large size die hard steel is often used. The hardened steel is often used in small size mold.
mould use: use for a long time of the mould should use high hardness of the steel, the hardness of 48 - 65HRC。 Medium time using the mold should use hard steel, the hardness of 30 - 45HRC。
hot working tool steel, it can withstand the die casting, forging and extrusion of the relatively high temperature.
cold work tool steels, it is used for blanking and shear, cold, cold extrusion molding, cold forging and powder extrusion forming.
plastic: some plastic produce corrosive by-products, long shutdown caused by condensation, corrosive gas, acid, cooling/heating, water or storage conditions and other factors also can produce corrosion. In these cases, it is recommended to use stainless steel material of die steel.
the mold size: large size die hard steel is often used. The hardened steel is often used in small size mold.
mould use: use for a long time of the mould should use high hardness of the steel, the hardness of 48 - 65HRC。 Medium time using the mold should use hard steel, the hardness of 30 - 45HRC。
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