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Home Material Q/BQB 516-2019
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Grade B55SiCrV
Corresponding Standard Q/BQB 516-2019
Spring Steel Wire Rod
Brand/Supplier
-> BAOSTEEL
Classification Spring Steel
Properties Elasticity
B55SiCrV Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu V
Minimum Value 0.51 1.2 0.6 - - 0.6 - - 0.15
Maximum Value 0.59 1.6 0.8 0.02 0.015 0.8 0.35 0.12 0.25
B55SiCrV Mechanical Properties
Tensile Strength
σb
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW
≥1000 ≥10 ≥30 HRC
≤35

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