Materials
Metal Hardness & Tensile Strength Conversion Chart (Rm, HV, HRC)
Consult our metallurgical equivalence chart (Rm, Vickers, Rockwell C) and rely on Filame's engineering expertise for material selection and design of springs and stamped components.
The following table shows, as a first approximation and under reserve, the equivalence between hardness in Vickers (HV), Rockwell C (HRC) and mechanical strength, Rm (N/mm2) for the various metallic materials (steel and stainless steel).
| RM (N/mm²) | HV | HRC | RM (N/mm²) | HV | HRC | RM (N/mm²) | HV | HRC |
|---|---|---|---|---|---|---|---|---|
| 300 | 89.7 | - | 1100 | 337.2 | 34.2 | 1900 | 584.6 | 54.4 |
| 325 | 97.4 | - | 1125 | 344.9 | 35.0 | 1925 | 592.4 | 54.8 |
| 350 | 105.2 | - | 1150 | 352.6 | 35.8 | 1950 | 600.1 | 55.2 |
| 375 | 112.9 | - | 1175 | 360.4 | 36.6 | 1975 | 607.8 | 55.6 |
| 400 | 120.6 | - | 1200 | 368.1 | 37.5 | 2000 | 615.6 | 56.1 |
| 425 | 128.4 | - | 1225 | 375.8 | 38.2 | 2025 | 623.3 | 56.6 |
| 450 | 136.1 | - | 1250 | 383.6 | 39.1 | 2050 | 631.0 | 57.2 |
| 475 | 143.8 | - | 1275 | 391.3 | 40.0 | 2075 | 638.8 | 57.3 |
| 500 | 151.6 | - | 1300 | 399.0 | 40.8 | 2100 | 646.5 | 57.6 |
| 525 | 159.3 | - | 1325 | 406.8 | 41.3 | 2125 | 654.2 | 57.8 |
| 550 | 167.0 | - | 1350 | 414.5 | 42.2 | 2150 | 662.0 | 58.1 |
| 575 | 174.8 | - | 1375 | 422.2 | 42.9 | 2175 | 669.7 | 58.5 |
| 600 | 182.5 | - | 1400 | 430.0 | 43.6 | 2200 | 677.4 | 58.9 |
| 625 | 190.2 | - | 1425 | 437.7 | 44.2 | 2225 | 685.2 | 59.3 |
| 650 | 198.0 | - | 1450 | 445.4 | 44.9 | 2250 | 692.9 | 59.7 |
| 675 | 205.7 | - | 1475 | 453.2 | 45.6 | 2275 | 700.6 | 60.1 |
| 700 | 213.4 | - | 1500 | 460.9 | 46.2 | 2300 | 708.4 | 60.4 |
| 725 | 221.2 | - | 1525 | 468.6 | 46.8 | 2325 | 716.1 | 60.7 |
| 750 | 228.9 | - | 1550 | 476.4 | 47.3 | 2350 | 723.8 | 61.0 |
| 775 | 236.6 | - | 1575 | 484.1 | 48.0 | 2375 | 731.6 | 61.3 |
| 800 | 244.4 | 21.3 | 1600 | 491.8 | 48.7 | 2400 | 739.3 | 61.7 |
| 825 | 252.1 | 23.0 | 1625 | 499.6 | 49.1 | 2425 | 747.0 | 62.0 |
| 850 | 259.8 | 24.0 | 1650 | 507.3 | 49.3 | 2450 | 754.8 | 62.3 |
| 875 | 267.6 | 24.9 | 1675 | 515.0 | 50.0 | 2475 | 762.5 | 62.6 |
| 900 | 275.3 | 26.4 | 1700 | 522.8 | 50.8 | 2500 | 770.2 | 62.8 |
| 925 | 283.0 | 27.6 | 1725 | 530.5 | 51.2 | 2525 | 778.0 | 63.0 |
| 950 | 290.8 | 28.6 | 1750 | 538.2 | 51.6 | 2550 | 785.7 | 63.3 |
| 975 | 298.5 | 29.5 | 1775 | 546.0 | 52.2 | 2575 | 793.4 | 63.6 |
| 1000 | 306.2 | 30.6 | 1800 | 553.7 | 52.8 | 2600 | 801.2 | 64.0 |
| 1025 | 314.0 | 31.6 | 1825 | 561.4 | 53.2 | 2625 | 808.9 | 64.3 |
| 1050 | 321.7 | 32.3 | 1850 | 569.2 | 53.7 | 2650 | 816.6 | 64.6 |
| 1075 | 329.4 | 33.2 | 1875 | 576.9 | 54.1 | 2675 | 824.4 | 64.9 |
Source: https://www.matthey.ch/aide-technique/equivalence-durete-/-resistance
Production capacities
Discover Filame's production capabilities in Metal Hardness & Tensile Strength Conversion Chart (Rm, HV, HRC):
Automatic Presses
Clips & Spring Clips
Clips, Flat Springs & Fasteners
Compression Springs
Extension Springs
Flat Springs
Hydraulic Presses
Laser Cutting
Mechanical Presses
Precision Laser Cutting & Sheet Metal Works
Precision Metal Stamping & Parts Forming
Precision Springs & Wire Forms Manufacturer
Sheet Metal Work
Slide Machines
Technical Fasteners
Torsion Springs
Welding
Wire Forms
Technical Documentation
Questions & Answers
01 What metals and alloys can Filame process for custom orders ?
We process a wide range of metals: carbon steels (XC65, XC75, XC90, XC100), stainless steels (1.4301, 1.4310, 1.4401, 1.4441), Inconel, Hastelloy, brass, beryllium copper, and aluminum.
02 Can Filame assist in the engineering, design, and prototyping phase ?
Yes. Our in-house engineering design studio collaborates directly with your R&D teams to co-design progressive dies and optimize part geometries for cost-efficient mass production and optimized material consumption.
03 How does Filame ensure the quality and traceability of its metallic components ?
Filame is ISO 9001 certified and operates in accordance with IATF 16949 requirements. We guarantee complete traceability by providing full EN 10204 3.1 material certifications and PPAP Level 3 documentation.
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