5160 SUP9 55CrMn 1.7176 55Cr3 Spring Steel Flat Bar

5160 SUP9 55CrMn 1.7176 55Cr3 Spring Steel Flat Bar 

Application

5160 SUP9 Spring steel flat bar is widely used in automobile, locomotive, large plate spring, spring, heavy vehicles, tractors, industrial production load, stress and the diameter of the larger plate spring and helical spring.

Quality Standard

-ASTM A29 Standard for Steel Bars, Spring steel, General Requirements.

-DIN 17221 for Spring Steel.

-BS EN 10089 for Hot Rolled Steel of Quenched and Tempered Spring Steel.

-JIS/G4801 for Spring Steel.

All Grades Comparison

ASTM                      DIN                          EN                           JIS                             GB

5160                     1.7176                     55Cr3                     SUP9                       55CrMn

Chemical Composition(%)

Mechanical Properties

Tensile Strength Rm (Mpa)      Yield Strength R2 (Mpa)     Elongation in 2″ (%)    Reduction Of Area (%)

1225 min                                     1080 min                               9 min                            20 min

Capacity

2,000 ton per month.

Test

Chemical Composition, Mechanical Property, Hardness testing, Ultrasonic testing, Metallographic, Dimension and Surface.

Package

Each bundles of max 3,000kg with several steel strips, Two tags on each bundle.

Mill’s Test Certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.