1.2311 vs 1.2312 vs 1.2738 Plastic Mold Steel Differences

Plastic mold steel is a pearlitic steel grade based on Cr-Ni-Mo, and it is also one of the important materials in the mold manufacturing industry. Among them, 1., 1. and 1. steel are the most commonly used materials. Although they are all plastic mold steels, there are certain differences. This article will discuss the differences between 1., 1., and 1. plastic mold steel from several aspects, so as to help more customers buy suitable steel and better apply it to projects.

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1. vs 1. vs 1. Steel Chemical Composition

DIN 1. plastic mold steel

1. steel is a high strength pre-hardened steel with low carbon content, also widely known as P20. Its chemical composition is as follows:

1. Steel Chemical Composition

DIN 1. plastic mold steel

Compared with other plastic mold steels, 1. steel is the steel with the highest sulfur content, and is also widely known as P20+S steel. Its chemical composition is as follows:

1. Steel Chemical Composition

DIN 1. plastic mold steel

1. steel is an upgraded material based on 1. with nickel added, and is also widely known as P20+Ni steel. Its chemical composition is as follows:

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1. Steel Chemical Composition

From the chemical composition of the above three steels, it can be seen that 1. steel is significantly different from the other two steels in terms of silicon and sulfur elements; 1. steel is similar to 1. steel in chemical composition, only the nickel element is different.

Plastic Mold Steel Properties

The difference in chemical composition of 1. vs 1. vs 1. plastic mold steel has a key impact on its performance, so there is a little difference in performance among the three.

• 1. steel: Reducing Mo and increasing Mn content, Mn can improve its strength, achieve good results, and reduce costs. It also has good wear resistance, hardness uniformity, etc., which can ensure the consistency and stability of mold manufacturing.

• 1. steel has more sulfur content, which makes it have excellent machinability, which is convenient for forming, processing and adjustment when making plastic molds. And after quenching and tempering, it has high toughness and impact toughness, and can withstand large dynamic loads and impact loads.

• 1. steel contains nickel element, which has higher hardness, better wear resistance, and toughness than 1. and 1. steel. It is less prone to wear and deformation during use, and its polishing degree is better than 1., making it an ideal material for molds that require high-precision and smooth surfaces. Usually, its hardness range is between 32-36HRC. It also has higher durability, making it suitable for producing long-life molds or molds for producing large quantities of plastic products.

Mold Steel Application

(1) 1. steel is usually used to make small and medium-sized molds.

(2) 1. steel is suitable for the manufacture of molds with complex shapes, high precision and cutting performance requirements, especially parts that require complex processing.

(3) 1. steel is used to manufacture large-scale, complex and high-load molds that resist impact, extrusion, wear, etc., and is especially suitable for the manufacture of molds that are required to be used at higher temperatures.

In terms of chemical composition, performance and application, 1., 1. and 1. plastic mold steels have unique advantages and differences. In addition to the differences in these aspects, there are also differences in the production process. So if you want to buy plastic mold steel, understanding the differences between them can allow you to make the best choice and find the most suitable steel.

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