A martensitic chromium stainless steel, Alloy 410 is one of the most widely used hardenable grades.
Heat treated 410 has mechanical properties comparable to alloy steel 4130, coupled with the additional benefit of good corrosion resistance.
| % | Cr | Mn | Ni | C | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|
| Min | 11.5 | - | - | 0.08 | - | - | - | - |
| Max | 13.5 | 1 | 0.75 | 0.15 | 1 | 0.04 | 0.03 | Balance |
410 stainless steel is a martensitic stainless steel grade which is routinely supplied in a hardened condition. The alloy is specified where high strength and moderate heat and corrosion resistance are required.
Alloy 410S stainless steel is a low carbon modification of 410 stainless. Low carbon and a small addition of titanium and or niobium minimise austenite formation at high temperatures. This restricts the alloy ability’s to harden.
NeoNickel stocks and supplies both 410 and 410S grades. The material remains soft and ductile even when it is rapidly cooled. This low hardening characteristic helps to prevent cracking when the steel is welded or exposed to high temperatures. The alloy is fully ferritic in anneal condition. 410S is ferro-magnetic.
| Mechanical & Physical Properties | 21°C | 100°C | 500°C | 649°C | 788°C |
|---|---|---|---|---|---|
| Coefficient of Thermal Expansion, µm/m⁰C | - | 9.8 | 11.2 | 11.7 | 11.9 |
| Thermal Conductivity/ kcal/(hr.m.°C) | - | 21.4 | 24.7 | - | - |
| Modulus of Elasticity/ x105 MPa | 2 | - | - | - | - |
| Tensile Strength, ksi | 60-75 |
|---|---|
| 0.2% Yield Strength, ksi | 32-42 |
| Elongation, % | 20-40 |
| Reduction of Area, % | 50-75 |
| Tempering Temperature, °C | - | 149°C | 260°C | 371°C | 566°C | 621°C | 649°C | 704°C | 760°C | 816°C |
|---|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength, ksi | 193.5 | 188.5 | 181.6 | 181.4 | 124.1 | 117.5 | 113 | 101.8 | 96.5 | 131.8 |
| 0.2% Yield Strength | 149.8 | 148.6 | 143.6 | 144.7 | 110.3 | 103.7 | 99.1 | 84.2 | 77.9 | 88.6 |
| Elongation, % | 17 | 17.3 | 16.8 | 16 | 20.8 | 21.3 | 22 | 23.5 | 25 | 19.5 |
| Reduction of Area, % | 56.8 | 59.7 | 61.1 | 61.1 | 67.2 | 66.1 | 66.5 | 68.8 | 69.9 | 59.6 |
| Hardness, Brinell | 388 | 388 | 361 | 361 | 255 | 235 | 229 | 207 | 189 | 257 |
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