Spring steel bar

Spring steel bar products adopt advanced steel making technology, strict heating system and reasonable controlled rolling and controlled cooling technology. The products have uniform chemical composition and microstructure, excellent mechanical properties and good surface quality. The spring steel bar produced is widely used in the production of automobile suspension springs, motorcycle suspension springs, motorcycle valve springs, hot work mold shaped springs, mechanical springs, spring washers, chain rollers, hexagon socket tools and other products.

Grade	Standard	Sizes(mm)	Application
38Si7, 46Si7, 56Si7, 55Cr3, 60Cr3, 54SiCr6, 56SiCr7, 61SiCr7, 51CrV4, 45SiCrV6-2, 54SiCrV6, 60SiCrV7, 46SiCrMo6, 50SiCrMo6, 52SiCrNi5, 52CrMoV4, 60CrMo3-1, 60CrMo3-2, 60CrMo3-3	EN10089	Φ12-180	Spring for railway vehicle,automotive and engineering, machinery,etc.
SUP6, SUP7, SUP9, SUP9A, SUP10, SUP11A, SUP12,SUP13	JIS G 4801	Φ12-180
SAE 9254, SAE 9260	ASTM A510/A510M	Φ12-180
51CrV4, 52CrMoV4, 55Cr3, 55SiCr6-3, 56SiCr7, 59Si7, 60CrB3, 60CrMo3-1, 60CrMo3-3, 61SiCr7	ISO 683-14	Φ12-180

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Spring steel bar