En Nf 30cd4 Steel International Grades Of Equivalent Standards - China

EN NF 30CD4 steel is a French standard alloy structural steel.

Its international grade equivalent standards are as follows:

USA: Corresponds to 4130 steel in ASTM A29/A29M standard.

The chemical composition and mechanical properties of the two are similar.

Both are chromium-molybdenum alloy steels.

4130 steel is widely used in aerospace, automobile manufacturing and other fields, and has many similarities with the application scenarios of 30CD4 steel.

China: It is equivalent to 30CrMo steel in GB/T 3077 standard.

30CrMo steel has good comprehensive mechanical properties and process properties.

It is widely used in machinery manufacturing, petrochemical and other industries.

Like 30CD4 steel, it is often used to manufacture parts that withstand impact, vibration and other loads.

Germany: Equivalent to 34CrMo4 steel in DIN EN 10083-3 standard.

34CrMo4 steel is widely used in German industry, especially in the manufacture of high-strength and high-toughness mechanical parts.

It has a certain overlap in performance and use with 30CD4 steel.

Although these steels are similar in chemical composition and performance, due to differences in standard setting and production processes in various countries, in actual applications, they still need to be reasonably selected and adjusted based on specific technical requirements and product standards.

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