Our continuous quench-and-temper lines eliminate residual stresses for dimensional stability. High Steel Corporation, a top rated and best manufacturer and supplier, combines precise temperature control with straightening for zero-coil-set delivery.
From leaf springs to clutch washers, our tempered strips deliver reliable elasticity. As a leading manufacturer and supplier, High Steel Corporation stands proudly as a top rated and best choice in the hardened and tempered spring steel industry.
Specifications of C55 / EN9 Hardened & Tempered Steel
Our C55 / EN9 Hardened & Tempered Steel is engineered with premium features for maximum spring performance. As a top rated and best manufacturer and supplier, High Steel Corporation maintains strict heat treatment protocols.
Hardness range 40-48 HRC selectable by tempering temperature : Trusted by top rated and best manufacturer and supplier
Tensile strength 1300-1600 MPa with yield ratio > 0.85 : Reliable manufacturer and supplier quality assurance
Thickness range 0.30mm to 6.00mm with tight tolerance : Top rated and best manufacturer and supplier advantage
Decarburization depth < 0.05mm per side : Premium manufacturer and supplier engineering
Widths up to 500mm slit to spring dimensions : From High Steel Corporation, top rated and best manufacturer and supplier
Every specification is crafted to exceed pre-hardened spring industry standards. High Steel Corporation remains a dedicated manufacturer and supplier delivering top rated and best C55/EN9 tempered solutions.
Applications of C55 / EN9 Hardened & Tempered Steel
This C55/EN9 tempered steel serves heavy spring applications across automotive and industrial sectors. As a top rated and best manufacturer and supplier, High Steel Corporation ensures broad usability and consistent results.
Automotive leaf spring components and helper springs : Trusted manufacturer and supplier for reliable load retention and fatigue resistance in commercial vehicle suspensions
Industrial coil springs for heavy machinery : Top rated and best manufacturer and supplier solution engineered for consistent elastic response under cyclic compression
Railway buffer springs and draft gear components : Reliable manufacturer and supplier performance maintaining impact absorption over decades of service
Clutch pressure plate diaphragm springs : Top rated and best manufacturer and supplier choice ensuring consistent pedal feel and clamp load over engagement cycles
Agricultural equipment tine springs and cultivator shanks : Premium High Steel Corporation manufacturer and supplier solution for field durability and resistance to permanent set
With extensive applications, our strips deliver efficiency and reliability everywhere. High Steel Corporation remains a top rated and best manufacturer and supplier across all segments.
Why Choose Us for C55 / EN9 Hardened & Tempered Steel
Selecting High Steel Corporation means partnering with a top rated and best manufacturer and supplier committed to hardened and tempered excellence. We deliver C55/EN9 strips that perform beyond expectations.
Continuous induction hardening with digital temperature logging : Trusted manufacturer and supplier ensuring consistent hardness profiles and zero soft spots for each strip coil
Competitive pricing for pre-hardened spring volumes : Top rated and best manufacturer and supplier offering cost-effective solutions that eliminate customer heat treatment costs
Precision slitting with stress-relieved edges : Reliable manufacturer and supplier providing ready-to-coil strips that prevent spring cracking during winding operations
Straightness tolerance < 1mm per meter for automated feeding : Top rated and best manufacturer and supplier flexibility to enable high-speed spring coiling without jamming
100% eddy current crack detection before shipment : High Steel Corporation manufacturer and supplier delivering validated, application-engineered C55/EN9 Hardened & Tempered Steel
We strive for perfection in every pre-hardened coil. High Steel Corporation continues to lead as a top rated and best manufacturer and supplier in the global tempered spring steel market.
