ASTM/AISI/SAE 51B60 SPRING STEEL FLAT BAR has fine metallurgical quality ( high purity, homogeneity), excellent surface quality ( specially on surface defect and decarburization), precise external form and dhttp://www.vsbars.com/imensions.
|Standard||Grade||Chemical composition (%)|
Thickness: 5mm-115mm, width50mm-250mm
Quenching temperature: 830℃-860℃, oil cooling
Tempering temperature: 460℃-520℃
Large spring under heavy load and high stress condition, like large-section leaf spring and large- diameter sprial spring of automobile and tractors.
Third Party :ABS ,DBV ,BV,GL,CCS,LR,RINA,KR,NK,CE,SGS,IKE,IEI or other quality department
Delivery time:5-30 days
Trade Term: FOB ,FCA,CFR,CIF
Payment Term: T/T or L/C.
Sample Service, Third party inspection
Packing Type: Loose in Bulk, in bundles, seaworthy packing
Country of Origin: China
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