Stainless Spring Wire EN 10270-3: High-Tech Solution for Precision Springs
General Specifications
Stainless spring wire, compliant with the European standard EN 10270-3, is a high-quality material for springs used in aggressive and critical environments. Manufactured by cold drawing followed by heat treatment, the wire offers stable mechanical and anti-corrosion properties.
The wire diameter ranges from 0.15 to 16.0 mm, allowing for a wide range of spring applications. Its surface has the distinctive shine of stainless steel, free from mechanical damage or oxidation traces.
Chemical Composition for Key Grades (%)
| Steel Grade | C | Si | Mn | Cr | Ni | Mo |
|---|---|---|---|---|---|---|
| AISI 302 | 0.15 | 1.00 | 2.00 | 17-19 | 8-10 | — |
| AISI 316 | 0.08 | 1.00 | 2.00 | 16-18 | 10-14 | 2-3 |
Mechanical Properties
| Diameter (mm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| 0.15-1.00 | 550-750 | 2200-2600 | 8-12 |
| 1.01-3.00 | 450-650 | 1700-2000 | 10-15 |
| 3.01-16.0 | 350-550 | 1400-1900 | 12-18 |
Applications
Stainless spring wire EN 10270-3 is utilized in the following industries:
- Food Industry: food processing equipment, production line components
- Valves and Fittings
- Medical Equipment: surgical instruments, medical devices, diagnostic equipment components
- Chemical Industry: equipment for aggressive environments, piping valves, pumps, and compressors
- Shipbuilding and Marine: deck equipment, marine mechanism components, offshore platforms
- Cryogenic Technology: gas liquefaction systems, low-temperature processing equipment, research equipment
Features
- High corrosion resistance due to chromium and nickel alloying
- Temperature resistance from -250°C to +600°C
- Long service life in aggressive environments
- Consistent elastic properties
- Excellent weldability and workability
- Tight diameter tolerances
- Surface electropolishing capability
Benefits
- Non-magnetic
- Maintains elasticity under cyclic loads
- Resistant to intergranular corrosion
- No additional surface protection required
- Environmentally safe
Quality Control
Each batch undergoes a rigorous multi-stage quality control process, including:
- Chemical composition analysis
- Mechanical properties testing
- Geometric parameter inspection
- Microstructure analysis
Stainless spring wire EN 10270-3 is a professional-grade solution for producing high-precision springs, offering guaranteed quality and reliability even under the most challenging operating conditions.
Supply Forms of Stainless Spring Wire EN 10270-3
Steel Wire
| Steel Grades | Available Sizes (mm) |
|---|---|
| AISI 302 / 1.4310 | 0.15 – 16 |
| AISI 316 / 1.4401 | 0.15 – 16 |
| 1.4568 / AISI 631 | 0.15 – 16 |
| 1.4301 / AISI 304 | 0.15 – 16 |
| 1.4539 / AISI 904L | 0.15 – 16 |
Stainless spring wire is available in various steel grades and diameters, ranging from 0.15 to 16 mm, suitable for diverse industrial applications.
