Carbon steels with plastic mold

Steels (first manufactured in China and Japan around 600-800 BC) generally fall into the categories of carbon steels and alloy steels (including steels for plastic molds).

Carbon steels

Carbon steels are widely used in the construction of plasma molds. are those steels that only contain iron and carbon, and small amounts of other alloying elements. They are the most common and least expensive types of tool steels. The three main types of them used for tools are low carbon, medium carbon and high carbon steels. The low density contains between 0.05% and 0.7% carbon. And the high density contains between 0.7% and 1.5% carbon. As the carbon content of carbon steel increases, the strength, toughness, and hardness also increase when the metal is heat treated.

Low density are soft, strong steels that are easily machined and welded. Due to their low carbon content, these steels cannot be hardened, except for the case hardening. Low carbon steels are well suited for the following applications: tool bodies, handles, shoes and similar situations where strength and wear resistance are not required.

Medium density is used where greater strength and toughness are required. Since the media has a higher carbon content, they can be heat treated to make parts such as studs, pins, shafts and nuts. Steels in this group are more expensive and more difficult to machine and weld than low density.

High density are the most hardenable types and are often used for parts where wear resistance is an important factor. Other applications where high density is suitable for drill bushings, locators and wear pads. Since the carbon content of these plastic stereo mold materials is so high, parts made of high materials are normally difficult to machine and weld.