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ST37 Chemical Composition
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ST37 Chemical Composition

ST37 Chemical Composition

ST37 steel is a low carbon steel with a carbon content of ≤ 0.25%. This steel has mechanical properties that are low hardness but high ductility and are easy to shape [4- 8]. Therefore this type of steel is widely used for construction, machining frames, bolts and others.

ST37 Chemical Composition

ST37 steel  Product Introduction

 

The chemical composition of St37 steel plays a fundamental role in determining its physical and mechanical properties, with the primary constituents being iron, carbon, and manganese. The steel's versatility and strength are directly influenced by these components, which define its durability, corrosive resistance, and thermal conductivity.

The hardening process, which involves heating the steel above its critical temperature and then rapidly cooling it, further enhances these properties. This process changes the steel's microstructure, increasing its hardness and strength.

Moreover, the carburizing process can also be used to improve St37 steel's mechanical properties. This thermochemical treatment enriches the steel's surface layer with carbon, thereby enhancing its wear resistance. Care must be taken, however, to ensure the carbon content in the surface layer does not exceed 0.9%, as this could lead to the formation of cementite and increase the steel's vulnerability.

Casting technology is another aspect integral to the production and application of St37 steel. It allows for the steel to be molded into various shapes and sizes, catering to diverse construction needs.

 

ST37 steel  Product Details
Steel grade Type of deoxidation Chemical composition in % by wt. Chemical composition in % by wt. Steel grade
Ladle analysis Additional nitrogen combining elements (e.g. at least 0.020% Al total Sample analysis
C

For product thicknesses in mm

P S N C

For product thicknesses in mm

P S N
Code number Material number ≤16 >16

≤30

>30

≤40

>40

≤63

>63

≤100

>100 ≤16 >16

≤30

>30

≤40

>40

≤63

>63

≤100

>100
New Previous max max Max max
St 37-2 1.0037 optional 0.17 0.20 0.20 0.20 0.20 By agreement 0.050 0.050 0.009 0.21 0.25 0.25 0.25 0.25 By agreement 0.065 0.065 0.010 St 37-2

 

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