供应61sicr7(1.7108)弹簧钢

61SiCr7(1.7108)

EN 10089-2002

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55Si2Mn30mm250 ℃

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C 0.570.65

Si1.602.00

Mn0.701.00

S ≤0.025

P ≤0.025

Cr≤0.45

Ni≤0.35

Cu≤0.25

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σb (MPa)≥1274(130)

σs (MPa)≥1176(120)

δ10 ()≥5

ψ ()≥25

,≤321HB;+,≤321HB

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870℃±20℃,; 480℃±50℃(,±30℃)

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