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ISO 630 Structural Billet Fe-360 A Steel

What is Fe-360 A Steels? Fe-360 A steel is a structural billet steel for structural applications. Fe-360 A 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-310 steel is having lower strength than Fe-360 A steel.

Dimensional Characteristics of Fe-360 A Steels: The applicable thickness for this Fe-360 A material as defined in the ISO 3601 starts from 10 mm to 200 mm.

The Chemical Composition of Fe-360 A Steels: ISO 630 defines the chemical composition of Fe-360 A steels as under:

Maximum percentage of Carbon (C) is 0.17.

Maximum percentage of Manganese (Mn) is not given.

Maximum percentage of Phosphorous (P) is 0.045 percent.

Maximum percentage of Sulphur (S) is 0.045 percent.

Maximum percentage of Nitrogen (N2) is 0.009 percent.

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

Why is Max % Alloying material different with chemical composition? % Alloying material only represents the percentage of alloying elements & not the base metal i.e. Iron (Fe).

Mechanical Properties of Fe-360 A Steels: The tensile strength of the Fe-360 A Steels is expressed in Newton per millimeters and it must be at-least 360 N/mm2 (MPa) and maximum can be 460 N/mm2 (MPa). The yield strength is minimum 235 N/mm2 (MPa) for less than 10 mm, 225 N/mm2 (MPa) for 16 mm to 40 mm, 215 N/mm2 (MPa) for 40mm to 60mm and 185 N/mm2 for 150mm to 200mm. The minimum percentage ranges for elongation is 21% thicknesses.

Billets are also used for manufacturing of hot rolled steel. Examples of structural quality hot rolled steels are SS400 steel and SAPH400 steel.

About

Engineer Ali Alvi is an industrial engineer who has post graduated from the NED University, then completed his Masters in Industrial Engineering from the University of Ontario. He has also served as an engineer in International Steel Ltd as A Cold rolling mill engineer.

  1. Simon Mazzoli says:

    Hello,

    How does Fe360A steel compare to Q235 steel from China

    1. Simon Mazzoli says:

      How does Fe360A steel compare with Q235 steel from China

  2. A says:

    Hallo? Why composition in the Fe360A, not given Manganese?

  3. Jason Blackway says:

    I’m looking for 1 pcs. Of FE 360 steel plate, 20” X 20” X 3mm thick.

  4. Chetan mokashi says:

    Witch is the equivalent material for Fe360 and Fe37 in India

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