Chemical Composition
5155 features high tensile strength and toughness values, in particular in medium and large cross sections in the quenched and tempered condition.
JIS G4053 SCM822 round bars
JIS G4053 SCM440 steel is a commonly used steel for high-strength fasteners. The products of SCM44O steel have the advantages of stable composition, low harmful elements, high purity of steel, small decarburization layer and less surface defect.
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