China manufacturer for SUP9 Spring Steel flat bar/shaped bars| 55CrMnA | 55Cr3 | 1.7176 | 527A60 | 55C3

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Applications

SUP9 steels bars, Highlight the advantage is good hardenability, hot working performance, comprehensive mechanical properties,

Decarburization resistance is also a good big cross-section of various important springs, such as automobiles, locomotives, large plate springs, springs, etc. SUP9 Spring main used for heavy vehicles, tractors, industrial production load, stress, and the diameter of the larger plate spring and helical spring

car spring steel

Regular size and Tolerance

Chemical composition:

C(%)0.52-0.60Si(%)0.15-0.35Mn(%)0.65-0.95P(%)≤0.030
S(%)≤0.035 Cr(%)0.65-0.95

Equivalent Of SUP9 alloy Spring Steel

USAGermanyChinaJapanFranceEnglandItalyPolandISOAustriaSwedenSpain
DIN, WNrGBJISAFNORBSUNIPNISOONORMSSUNE

5155 / G51550

55Cr3 / 1.7176

55CrMnA

SUP9

55C3

≈527A60
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55Cr3
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Mechanical property:

Cooperation partner:

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