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SUP6 Round Bar — Listings

All SUP6 Round Bar listings on M-EX.

All SUP6 Forms Spring Steel
Grade Details
GradeSUP6
StandardJIS G4801
DescriptionJapanese silicon manganese spring steel
ApplicationsAutomotive suspension springs, leaf springs
Equivalent Grades
Grade Standard Region
55Si7 DIN Germany
AISI 9255 SAE USA
EN45 BS970 UK

Active SUP6 Round Bar Listings 2

SUP6 Round Bar
1.300 MT  ·  Closes 10 Aug 2026
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SUP6 Round Bar
1.000 MT  ·  Closes 11 Aug 2026
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Related: All Round Bar grades · Spring Steel