Grade 56SiCr7
Old Grade
Corresponding Standard NF A 35-571-1996
Classification Spring Steel
Properties Strength Elasticity Fatigue Resistance
56SiCr7 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.53 1.6 0.6 - - 0.2
Maximum Value 0.59 2 0.9 0.025 0.025 0.45
56SiCr7 Mechanical Properties
condition Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Steel 1500~1800 ≥1350 ≥6
56SiCr7 Corresponding Standards(Same grade name, different standards)

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