ST37-2 Carbon Steel Material
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.
Steel plate 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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