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Grade 61SiCr7
Old Grade
Corresponding Standard NF A 35-571-1996
Classification Spring Steel
Properties Strength Elasticity Fatigue Resistance
61SiCr7 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.57 1.6 0.7 - - 0.2
Maximum Value 0.64 2 1 0.025 0.025 0.45
61SiCr7 Mechanical Properties
condition Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Steel 1550~1850 ≥1400 ≥5
61SiCr7 Corresponding Standards(Same grade name, different standards)
1 ISO 683-14-2004
61SiCr7 (3)
2 EN 10089-2002
61SiCr7 1.7108
3 DIN EN 10089-2003
61SiCr7 1.7108
4 NF A 35-571-1996
61SiCr7 (61SC7)

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