CS100 Spring Steel
CS100 Spring Steel is a high-carbon grade supplied by BSS Spring Steel Stock in coil form. With a carbon content of 0.95 – 1.05%, CS100 provides excellent hardness, wear resistance, and strength, making it suitable for applications where thinner materials must deliver exceptional performance.
CS100 can be efficiently processed using laser or waterjet cutting and is widely used in demanding engineering, tooling, and automotive applications.
CS100 Spring Steel Chemical Composition
CS100 Spring Steel
Manganese – 0.3 – 0.8%
Silicon – 0.05 – 0.35%
Phosphorous – 0.025% max
Sulphur – 0.025% max
CS100 Spring Steel Equivalent grades
CS95
1095
C100S
XC90
Key features of CS100 Spring Steel
- Carbon content: 0.95–1.05%
- Hardness range: 475–525 VPN
- Supplied in hardened and tempered condition
- Excellent strength-to-thickness ratio
- Good wear resistance and edge retention
- Suitable for precision cutting (laser, waterjet, etc.)
CS100 Spring Steel - Common Applications
CS100 is chosen for applications that require high strength, hardness, and durability, including:
- Industrial and precision springs
- Saws and blades
- Valves
- Brake components
- Cutting blades and industrial knives
- Hand tools
- Shims & spacers
- Machinery tensioning components
- Knives, scissors and cutting edges
- Springs in household appliances
- Other components where hardness and wear resistance are critical
CS100 Spring Steel - condition and stock
At BSS Spring Steel Stock, we supply CS100 in:
- Hardened & tempered coil
- Thicknesses from 0.10mm to 1.57mm
- Hardness range: 475 – 525 VPN
With extensive UK stock, we offer fast turnaround and next-day dispatch on many ex-stock items.
Why buy CS100 Spring Steel from BSS?
📦 Extensive Stock Range – Wide choice of coil available for quick dispatch.
✂️ Cut-to-Size Service – Precision cutting to your exact dimensions, reducing waste and saving time.
🛠️ Trusted Quality – ISO9001 accredited.
🚚 Fast Delivery – Next-day delivery across the UK with reliable international shipping options.
🎓 Expert Knowledge – Backed by decades of experience in spring steel supply and applications.
💷 Competitive Pricing – Premium spring steel at excellent value.
🤝 Dedicated Support – Helpful customer service from enquiry through to delivery.
Contact us
Not available online in full sheets.
Please contact Nicole to find out more.
Off-cuts of this item may be available in Off-Cuts Corner.
+44 114 244 0527 Option 2
Available
Mon - Thurs: 8.30am - 5.00pm
Fri: 8.30am - 3.45pm
Sat - Sun: Closed