En42J Spring Steel Strip

Need a dependable spring steel flat-rolled material? En42J Spring Steel Strip on MetalMitra comes in annealed and hardened & tempered strip, ready for fabrication, vessels and cladding.

En42J 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.

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.

Available forms & variants

• 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.

Performance highlights

• 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.

Typical applications

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

Quality checks & certification

Every lot of En42J Spring Steel Strip sourced through MetalMitra can be inspected and documented to the governing standard and your purchase order.

• 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

Chemical & mechanical 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 buy through MetalMitra

• Checked sellers only — Every supplier profile is screened by MetalMitra before it goes live.
• Faster sourcing — Post one requirement and receive competitive offers without chasing calls.
• Paperwork sorted — MTC 3.1, test reports and TPI arranged as your project demands.
• Global logistics — Seaworthy packing and dispatch to project sites across the world.

Ready to buy?

Send your size, grade, quantity and delivery location for En42J Spring Steel Strip, and matching suppliers on MetalMitra will come back with offers.

Technical note: Figures shown are indicative. Final acceptance should be based on the applicable standard, approved drawings and the MTC supplied with the material.