SR30 Steel Chemical Composition,SR30 Steel Mechanical Properties

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SR30 steel is a Reinforcement billet steel for reinforcement applications. SR30 steel reinforcement bar billets are used for greater strength re-enforcement work for town house, office buildings, bridge, concrete road, agricultural equipment and in other industrial applications.

SR30 Steel Chemical Composition : JIS G3112 defines the chemical composition of SR30 steels as under:

Maximum percentage of Carbon (C) is 0.34

Maximum percentage of Manganese (Mn) is 0.9

Maximum percentage of Phosphorous (P) is 0.050

Maximum percentage of Sulphur (S) is 0.05

Maximum percentage of Silicon (Si) is 0.350

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

SR30 Steel Mechanical Properties : The tensile strength of the SR30 Steels is expressed in Newton per millimeters and it must be at-least 441 N/mm2 (MPa). The yield strength is minimum 294 N/mm2 (MPa). The minimum percentage ranges for elongation is 20% thicknesses.

Dimensional Characteristics of SR30 Steels: The applicable diameter for this SR30 material as defined in the JIS G3112 starts from 6 mm to 34 mm. The length is usually around 10 to 12 meters.

SR30 is a material grade and designation defined in JIS G3112 standard. JIS G3112 is an international material standard for reinforcement bar billet steel for strengthening application. SR30 Steel is higher in strength as compare to SR24 steel.