3/12/2024 0 Comments Jis g 3109The minimum percentage ranges for elongation is 13% thicknesses till 16 mm and 17% greater than 50 mm. The elongation property of SS540 steel varies with the ranges of thickness. The yield strength for thickness below 16 mm is minimum 400 N/mm2 (MPa) whereas for higher gauges above 100 mm is minimum 390 N/mm2 (MPa). The yield strength is minimum 390 to minimum 400 N/mm2 (MPa) depending on the thickness. Mechanical Properties of SS540 Steels: The tensile strength of the SS540 Steels is expressed in Newton per millimeters and it must be at-least 540 N/mm2 (MPa). Remaining is iron (Fe) percentage and with few negligible impurities. Maximum percentage of Sulphur (S) is 0.40 percent. Maximum percentage of Phosphorous (P) is 0.040 percent. Maximum percentage of manganese (Mn) is 1.60 percent. Maximum percentage of Carbon (C) is 0.30 percent.
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