316L stainless steel spring wire

Made from premium alloy, 316L stainless steel spring wire offers exceptional resistance to high temperatures and corrosion, meeting global standards ASTM A313/JIS G4314/EN 10270-3. This durable stainless steel spring wire is widely used for springs, including compression, tension, and torsion types, supporting sectors such as automotive, medical, electronics, and pump sprayers.

Type 316 stainless steel is an austenitic chromium-nickel alloy with molybdenum, enhancing general corrosion resistance, especially in chloride-rich environments, and increasing strength in high temperatures. Type 316L, a low-carbon variant, minimizes carbide precipitation during welding, which makes it ideal for highly corrosive conditions. Similar to 304/304L alloys, 316L stainless steel is more robust at elevated temperatures and highly resistant to sulfuric, hydrochloric, acetic, formic, and tartaric acids, as well as acid sulfates and alkaline chlorides.

Industries Supplied:
Aerospace, Chemical Processing, Food Processing, Power Generation, General Manufacturing

Nominal Composition
C: ≤ 0.07; Mn: ≤ 2.0; Si: ≤ 1.00; P: ≤ 0.045; S: ≤ 0.030; Ni: 10.5 – 13.5; Cr: 16.5 – 18.0; Mo: 2.0 – 2.50; N: ≤ 0.10; Fe: Balance

Physical Properties
Density: 0.285 lb/in³ (8.00 g/cm³)
Modulus of Elasticity (E): 28.0 x 10³ ksi (193 GPa) at 70°F (20°C)
Modulus of Rigidity (G): 10.1 x 10³ ksi (70 GPa) at 70°F (20°C)
Coefficient of Expansion: 9.2 µin/in-°F (70-212°F); 16.6 µm/m-°C (20-100°C)
Electrical Resistivity: 29.1 µohm-in (74.0 µohm-cm)
Thermal Conductivity: 9.4 Btu-in/ft²-hr-°F (212°F), 16.2 W/m-°C (100°C)

Specifications
Wire & Bar: ASTM A276, A313, A478, A493

Mechanical Properties

• 316 Annealed: Tensile Strength: ≤105 ksi (724 MPa); Operating Conditions: -200°F to 1700°F (-184°C to 927°C)
• 316L Annealed: Tensile Strength: ≤100 ksi (690 MPa); Operating Conditions: -200°F to 1700°F (-184°C to 927°C)
• 316/316L Spring Temper: Stress Relief at 900°F (482°C); Tensile Strength Varies by Diameter, Operating Conditions: -200°F to 550°F (-184°C to 288°C)

Advantages of 316L Stainless Steel Spring Wire:

• Stable elemental composition for consistent performance
• Superior corrosion and temperature resistance for harsh environments
• Smooth, crack-free surface ensures product safety and reliability
• Strict quality control, with standard-compliant raw materials used throughout the manufacturing process