Spring Temper Calculator
Calculate spring temper with this free online tool
Spring Steel Temper Calculator
Calculate heat treatment specifications for spring steel based on alloy type and dimensions.
Heat Treatment Specs for 5160 (Chromium Spring Steel)
Austenitizing Temperature
1500–1550°F (816–843°C)
Quench Medium
Oil quench
Tempering Temperature Range
700–900°F (371–482°C)
Expected Hardness (spring temper)
42–52 HRC
Common Spring Steel Properties
| Steel | Carbon | Chromium | Typical Applications |
|---|---|---|---|
| 5160 | 0.56–0.64% | 0.7–0.9% | Leaf springs, swords, large blades |
| 1075 | 0.70–0.80% | — | General springs, flat springs, bandsaw blades |
| 1095 | 0.90–1.04% | — | Knife springs, clock springs, hand tools |
| 4140 | 0.38–0.43% | 0.8–1.1% | Heavy-duty springs, torsion bars, arbors |
| 301 SS | 0.15% max | 16–18% | Corrosion-resistant springs, marine, food-grade |
| 1080 | 0.75–0.88% | — | Music wire, coil springs, spring clips |
| 5160H | 0.56–0.64% | 0.7–0.9% | Heavy leaf springs, machetes, axes |
| 9260 | 0.56–0.64% | — | Silicon spring steel, automotive coil springs |
Safety Notes
- Always wear proper PPE: heat-resistant gloves, face shield, and leather apron.
- Use adequate ventilation — quenching oils produce hazardous fumes.
- Never quench in water unless specifically called for — risk of cracking.
- Preheat thick sections before reaching austenitizing temperature to avoid thermal shock.
- Temper immediately after quenching — never let steel sit fully hardened.
How to Use This Calculator
- Select your spring steel alloy from the dropdown menu.
- Enter the wire or strip thickness in millimeters or inches.
- Choose your temper target: spring (balanced), hard, or flexible.
- Review the recommended austenitizing temperature, quench medium, and tempering range.
- Check bend radius limits to ensure your design is feasible for the material thickness.
- Always verify results with a test piece before processing your final workpiece.
Related Tools
All calculations are performed locally in your browser. No data is sent to any server. Results are for reference only — always verify with material datasheets and professional guidance.
The Spring Temper Calculator is a free tool that runs entirely in your browser. No sign-up, no downloads — just open and use it.
Key Features
Free spring temper calculator with instant results
No registration or signup required
Professional-grade spring temper calculator tool
Works on all devices and browsers
Privacy-first: all processing happens in your browser
Unlimited usage with no restrictions
How to Use Spring Temper Calculator
Enter Your Data
Input your values or data into the spring temper calculator tool fields
Configure Options
Adjust any optional settings or parameters for your specific needs
Get Instant Results
The tool automatically calculates and displays results in real-time
Copy or Export
Copy the results to clipboard or use them directly in your project
Repeat as Needed
Run the tool again with different inputs — unlimited usage, completely free
Use Cases
Use spring temper calculator for personal projects
Professional and academic applications
Quick reference and verification
Everyday productivity and convenience
Frequently Asked Questions
Is the Spring Temper Calculator free to use?
Yes, the Spring Temper Calculator is completely free with no registration required. Use it as many times as you need.
Do I need to create an account?
No account needed. All tools work instantly in your browser without any signup or login.
Is my data safe?
Absolutely. All processing happens locally in your browser. Your data is never sent to any server.
Does the Spring Temper Calculator work on mobile?
Yes, the tool is fully responsive and works on phones, tablets, and desktop computers.
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