C45 Spring Steel Strip

Source C45 Spring Steel Strip from verified mills, manufacturers and stockists on MetalMitra. Options span annealed and hardened & tempered strip, and every order can ship with an EN 10204 3.1 certificate.

C45 Spring Steel Strip covers cold-rolled flat products supplied in annealed or hardened and tempered condition for springs, clips, blades, washers and precision engineering parts.

1045 / C45 is a medium-carbon steel with good strength and machinability for shafts and machine parts. Spring steel is a medium-to-high carbon or alloy steel that can be heat treated to achieve high yield strength, allowing parts to return to shape after significant deflection.

What you can source

• Annealed Strips — Soft condition for forming and further heat treatment.
• Hardened & Tempered Strips — Ready-to-use strips with high hardness and elasticity.
• Polished / Blue Strips — Surface-finished strips for special applications.
• Spring Steel Flats — Heavier flats for leaf springs and heavy-duty parts.

Key properties

• High Elasticity — Returns to shape after bending or twisting.
• Fatigue Resistance — Suitable for repeated loading cycles.
• Heat Treatable — Hardness and strength adjustable by heat treatment.
• Precision Gauges — Available in close-tolerance thickness and widths.

Applications & industries

• Automotive Springs
• Leaf Springs
• Clips & Fasteners
• Saw Blades
• Agricultural Equipment
• Textile Machinery
• Washers
• Hand Tools
• Engineering Components
• Industrial Machinery
• Fabrication
• General Engineering

Testing & documentation

Inspection and documentation for C45 Spring Steel Strip follow the applicable standard plus any extra requirements in your PO.

• Thickness & width inspection
• Flatness and edge inspection
• Surface inspection
• Hardness testing
• Chemical composition verification
• Tensile testing as applicable
• EN 10204 3.1 Mill Test Certificate
• Project-specific documentation on request

Material properties

Chemical composition and mechanical properties are supplied to the limits of the governing material standard. Actual heat values are reported on the mill test certificate shared with each consignment.

Why source on MetalMitra

• Verified suppliers — Mills, manufacturers and stockists are reviewed by the MetalMitra team before they list.
• One RFQ, several quotes — Share size, grade and quantity once and compare offers side by side.
• Full traceability — Heat numbers, EN 10204 3.1 MTCs and third-party inspection on request.
• Delivered worldwide — Export-worthy packing and shipping to India, the Middle East, Africa, Europe and the Americas.

Request pricing

Post an RFQ for C45 Spring Steel Strip with your drawing or specification and receive quotes from verified suppliers.

Technical note: Values on this page are for reference. Always confirm against the governing standard, your purchase specification and the mill test certificate.