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Allegheny Ludlum Martensitic Stainless Steel 410
Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel; Martensitic
Composition Notes: Iron content calculated as remainder
| Component |
Wt. % |
| C |
Max 0.15 |
| Cr |
11.5 – 13.5 |
| Mn |
Max 1 |
| Ni |
Max 0.5 |
| P |
Max 0.04 |
| S |
Max 0.03 |
| Si |
Max 1 |
Characteristics: superior wear resistance, hardenable, excellent corrosion resistance.
Applications:cutlery, dental and surgical instruments, nozzles, valve parts, hardened steel ball and seats for oil well pumps, separating screens and strainers, springs, shears, and wear surfaces.
Information provided by Allegheny Ludlum
| Physical Properties |
Metric |
English |
Comments |
| Density |
7.64 g/cc |
0.276 lb/in³ |
|
| Specific Gravity |
7.65 g/cc |
0.276 lb/in³ |
|
| Mechanical Properties |
| Hardness, Rockwell B |
82 |
82 |
|
| Hardness, Rockwell B |
98 |
98 |
Hardened+Tempered 1200°F |
| Hardness, Rockwell C |
-7 |
-7 |
Hardening Response |
| Hardness, Rockwell C |
35 |
35 |
Hardened+Tempered 1000°F |
| Hardness, Rockwell C |
40 |
40 |
Hardened+Tempered 550°F |
| Hardness, Rockwell C |
40 |
40 |
Hardened+Tempered 600°F |
| Hardness, Rockwell C |
41 |
41 |
Hardened+Tempered 800°F |
| Hardness, Rockwell C |
41 |
41 |
Hardened+Tempered 900°F |
| Hardness, Rockwell C |
43 |
43 |
Hardened+Tempered 400°F |
| Tensile Strength, Ultimate |
1063 MPa |
154000 psi |
Hardened 1800°F, Tempered 1000°F |
| Tensile Strength, Ultimate |
1283 MPa |
186000 psi |
Hardened 1800°F, Tempered 600°F |
| Tensile Strength, Ultimate |
1289 MPa |
187000 psi |
Hardened 1800°F, Tempered 550°F |
| Tensile Strength, Ultimate |
1298 MPa |
188000 psi |
Hardened 1800°F, Tempered 900°F |
| Tensile Strength, Ultimate |
1300 MPa |
189000 psi |
Hardened 1800°F, Tempered 800°F |
| Tensile Strength, Ultimate |
1399 MPa |
203000 psi |
Hardened 1800°F, Tempered 400°F |
| Tensile Strength, Ultimate |
510 MPa |
74000 psi |
Annealed |
| Tensile Strength, Ultimate |
767 MPa |
111000 psi |
Hardened 1800°F, Tempered 1200°F |
| Tensile Strength, Yield |
1022 MPa |
148000 psi |
Hardened 1800°F, Tempered 550°F |
| Tensile Strength, Yield |
1026 MPa |
149000 psi |
Hardened 1800°F, Tempered 600°F |
| Tensile Strength, Yield |
1076 MPa |
156000 psi |
Hardened 1800°F, Tempered 400°F |
| Tensile Strength, Yield |
290 MPa |
42100 psi |
0.2% offset, Annealed |
| Tensile Strength, Yield |
589 MPa |
85400 psi |
Hardened 1800°F, Tempered 1200°F |
| Tensile Strength, Yield |
845 MPa |
123000 psi |
Hardened 1800°F, Tempered 900°F |
| Tensile Strength, Yield |
882 MPa |
128000 psi |
Hardened 1800°F, Tempered 1000°F |
| Tensile Strength, Yield |
916 MPa |
133000 psi |
Hardened 1800°F, Tempered 800°F |
| Elongation at Break |
34 % |
34 % |
Annealed |
| Electrical Properties |
| Electrical Resistivity |
5.6e-005 ohm-cm |
5.6e-005 ohm-cm |
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| Thermal Properties |
| CTE, linear 20°C |
10.5 µm/m-°C |
5.83 µin/in-°F |
20°C-200°C |
| CTE, linear 500°C |
11.6 µm/m-°C |
6.44 µin/in-°F |
20°C-600°C |
| Heat Capacity |
0.46 J/g-°C |
0.11 BTU/lb-°F |
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| Thermal Conductivity |
24.9 W/m-K |
173 BTU-in/hr-ft²-°F |
100°C |
| Processing Properties |
| Melt Temperature |
1482 – 1532 °C |
2700 – 2790 °F |
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| Descriptive Properties |
| Corrosion Rate mils per year |
0.079 (5% Acetic Acid at 49°C) |
Hardened martensitic grades were tested after tempering at 204°C. |
| Corrosion Rate mils per year |
0.062 (5% Phosphoric Acid at 49°C) |
Hardened martensitic grades were tested after tempering at 204°C |
| Pitting Potential, Volts vs Sat. Calomel Electrode |
0.502 |
100 ppm Chloride solution at 24°C, pH5. Samples had ground surface. Hardened martensitic grades were tested after tempering at 204°C. |
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