SCM440 Steel round bar under JIS G4053-2003 standard. As a SCM440 Steel round bar supplier, we have almost 750 ton steel bar of SCM440 stock,The common length for SCM440 steel bar is 3000 to 7000mm.
Spring steel 1.1221 strength. Hardness. Elasticity and hardenability of steel than sup9 high, with thermal sensitivity and tendency to temper brittleness, have a tendency to form cracks.
NM450 is an wear-resistant steel plate with a hardness of 450 HBW.NM450 wear-resistant steel plate offers very good weldability.N is a "wearable" in the "resistance" of the first phonetic alphabet. M is "wearable" in the "grinding" the first phone
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