416 Stainless Steel
UNS S41600
Description
416 stainless steel is a kind of martensitic free processing grade stainless steel, which belongs to the stainless steel with good cutting performance. It has better processing characteristics than austenitic stainless steel and can be hardened by heat treatment to increase its strength and hardness. 416 stainless steel is suitable for use in high-temperature conditions, but is not suitable for exposure to marine or any chlorides due to the high content of sulfur. Although 416 stainless steels are not as resistant as austenitic or ferritic stainless, it still demonstrates good corrosion and oxidation resistance plus high strength in the hardened and tempered condition. Thus, 416 stainless steel is mainly used in the production of solenoid valves, micro motors and electrical components.
Chemical Component
| Cr | Si | C | Mn | S | P |
|---|---|---|---|---|---|
| 12.00-14.00% | 1.00% max | 0.15% max | 1.25% max | 0.150% min | 0.060% max |
Basic Information
| Items | 416 Stainless Steel |
|---|---|
| Catalog | ACMA-Fe-A019 |
| Density | 0.282 lb/in3, 7 .80 g/cm3 |
| Electrical Resistivity, ohm-cir-mil/ft | At 70 °F (21 °C): 343.0 |
| Specific Heat, BTU/lb-°F (J/g-°C) | 32-212 °F (0-100 °C): 0.110 (0.460) |
| Thermal Conductivity, BTU-in//hr-ft2-°F (W/m·K) | At 200 °F (94 °C): 172.8 (24.9); At 1000 °F (538 °C): 198 (28.5) |
| Mean Coefficient of Thermal Expansion, µin/in-°F (µm/m-°C) | 32-212 °F (0-100 °C): 5.50 (9.90); 32-600 °F (0-316 °C): 5.60 (10.1); 32-1200 °F (0-649 °C): 6.5 (11.7) |
| Modulus of Elasticity, ksi (MPa) | 29 x 103 (200 x 103) in tension |
| Melting Range, °F (°C) | 2700-2790 (1488-1530) |
Material Forms
Alfa Chemistry offers 416 stainless steel in a variety of forms, including Sheet, Strip, Plate, Wire.
Mechanical Properties
- Mechanical properties at room temperature properties: annealed
| Ultimate Tensile Strength | Yield Strength | Elongation |
|---|---|---|
| 75 KSI min (517 MPa min) | 40 KSI min ( 276 MPa min) | 30 % min |
Additional Properties
Corrosion Resistance: Refer to NACE (National Association of Corrosion Engineers) for recommendations.
Heat Treatment: 416 stainless steel can be hardened by cold working and by heat treatment.
Welding: For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".
Specifications
Wire: AMS 5610, ASTM A484, ASTM A582, QQ-S-764, Mil-W-5263
Applications
- 416 stainless steel is used for shafts, axles, gears, screws, bolts and any part that requires considerable machining. Should not be used for vessels under high pressures.
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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