ISO 630 Structural Billet Fe-510 Steel

What is Fe-510 Steels? Fe-510 steel is a structural billet steel for structural applications. Fe-510 is a material grade and designation defined in ISO 630 standard. ISO 630 is an international material standard for billet steel for general structural usage. Fe-430 steel can be compared with this type of steel.

Dimensional Characteristics of Fe-510 Steels: The applicable thickness for this Fe-510 material as defined in the ISO 630 starts from 10 mm to 60 mm.

The Chemical Composition of Fe-510 Steels: ISO 630 defines the chemical composition of Fe-510 steels as under:

Maximum percentage of Carbon (C) is 0.220.

Maximum percentage of Manganese (Mn) is not defined.

Maximum percentage of Phosphorous (P) is 0.040.

Maximum percentage of Sulphur (S) is 0.040.

Maximum percentage of Nitrogen (N2) is 0.009.

Remaining is iron (Fe) percentage and with few negligible impurities.

Mechanical Properties of Fe-510 Steels: The tensile strength of the Fe-510 Steels is expressed in Newton per millimeters and it must be at-least 510 N/mm2 (MPa) and maximum can be 630 N/mm2 (MPa). The yield strength is minimum 355 N/mm2 (MPa) for less than 16 mm, 345 N/mm2 (MPa) for 16 mm to 40 mm, 335 N/mm2 (MPa) for 40mm to 60mm. The minimum percentage ranges for elongation is 23% thicknesses.


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  1. Sam Hayes

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