Grade 416 Stainless Steel
Apr 13, 2026
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Chemical Composition
| 1.4005 Steel | EN 10088-3:2005 |
|---|---|
| Chemical Element | % Present |
| Carbon (C) | 0.06 - 0.15 |
| Chromium (Cr) | 12.00 - 14.00 |
| Manganese (Mn) | 0.0 - 1.50 |
| Silicon (Si) | 0.0 - 1.00 |
| Phosphorous (P) | 0.0 - 0.04 |
| Sulphur (S) | 0.15 - 0.35 |
| Molybdenum (Mo) | 0.0 - 0.60 |
| Iron (Fe) | Balance |
Properties
| Physical Property | Value |
|---|---|
| Density | 7.75 g/cm³ |
| Thermal Expansion | 9.9 x 10-6/K |
| Modulus of Elasticity | 200 GPa |
| Thermal Conductivity | 24.9 W/m.K |
| Electrical Resistivity | 0.57 x 10-6 Ω.m |
| Mechanical Property | Value |
|---|---|
| Proof Stress | 450 Min MPa |
| Tensile Strength | 650 - 850 MPa |
Fabrication - Has to be completed using techniques that allow for a final harden and temper heat treatment, and for poor weldability.
Cold working - This technique is not recommended. It is suitable only for minor deformation. Cracking will occur with severe deformation.
Hot working - All hot work processes should be performed after uniform heating to 2100-2250°F (1149-1232°C). Hot working below 1700°F (927°C) could result in cracking.
Machinability - The metal provides excellent machinability. It has the highest of any commonly available stainless steels, at about 85% of that of a free-machining carbon steel. Machinability is best performed in sub-critical annealed condition.
Heat treatment - Full annealing by heating to 815-900°C for ½ hour per 25 mm of thickness. This is followed by cooling at 30°C/hour maximum to 600°C and air cooled.
Sub-critical annealing – The material is heated to 650-760°C and air cooled.
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