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EN 10089 55Cr3 Steel — Specifications & Listings

EN 10089

Chrome spring steel

Category: Spring Steel
Grade Details
GradeEN 10089 55Cr3
StandardEN 10089
DescriptionChrome spring steel
ApplicationsAutomotive leaf springs, heavy coil springs
Equivalent / Similar Grades
Grade Standard Region
SAE5160 SAE USA
EN47 BS970 UK
SUP9 JIS Japan
SUP9A JIS Japan
Chemical Composition (%)
C Si Mn Cr
0.52–0.59 0.15–0.35 0.70–1.00 0.60–0.90
Mechanical Properties
Tensile Strength 1100–1350 MPa
Yield Strength ≥1000 MPa
Elongation ≥6%
Hardness 321–388 HB
Typical Available Sizes
Round Bar 10mm–75mm dia
Flat Bar 20×5mm–100×20mm
Spring Flat 5×30mm–20×150mm
Sizes are indicative. Contact seller for exact availability.

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