DIN 17155 Grade 15Mo3 normalized or normalized formed (+N)
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) introduction
High temperature steel for the pressure vessel and steam boiler construction up to 530 °C continuous operation.
Application:
in the pressure vessel and steam vessel construction for vaporiser tubes, tubes, collector tubes, heat exchanger, pre welded collars, flanges
Equivalent material: NBN 16Mo3, AFNOR 15D3, BS 243, ISO P26, UNI 16Mo3, JIS SB46M, ÖNORM 15Mo3KK, PN 16M, SS 2912, UNE F.2601-16Mo3, ASTM Grade A, DIN 16Mo3, DIN 1.5415, AFNOR 16Mo3, BS 16Mo3, JIS STBA12, JIS STPA12, JIS STFA12, EN 16Mo3, EN 1.5415, ISO 16Mo3, ISO F26, ASTM Grade F1
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 - 7.86 g/cm³ |
| - |
50.0 °C |
Density of 7.84 g/cm³ |
| - |
100.0 °C |
Density of 7.82 g/cm³ |
| - |
150.0 °C |
Density of 7.81 g/cm³ |
| - |
200.0 °C |
Density of 7.79 g/cm³ |
| - |
250.0 °C |
Density of 7.77 g/cm³ |
| - |
300.0 °C |
Density of 7.76 g/cm³ |
| - |
350.0 °C |
Density of 7.74 g/cm³ |
| - |
400.0 °C |
Density of 7.72 g/cm³ |
| - |
450.0 °C |
Density of 7.7 g/cm³ |
| - |
500.0 °C |
Density of 7.68 g/cm³ |
| - |
550.0 °C |
Density of 7.66 g/cm³ |
| - |
600.0 °C |
Density of 7.64 g/cm³ |
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.21E-5 - 1.22E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.27E-5 - 1.29E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.32E-5 - 1.34E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.36E-5 - 1.4E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 - 1.43E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.44E-5 - 1.46E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 530 °C |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Molybdenum Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 - 500 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 - 540 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 - 530 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 - 620 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 - 690 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 - 780 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 52.1 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 51 - 51.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 48.7 - 49 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 45 - 45.5 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 42 - 42.3 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 39 - 39.1 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 36 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 14.4 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 13.2 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 11.7 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10.3 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 9 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.5 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6 mm²/s |
- |
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) chemical
| Property |
Value |
| Carbon |
Carbon of 0.12 - 0.22 % |
| Chromium |
Chromium of 0.25 % |
| Copper |
Copper of 0.3 % |
| Manganese |
Manganese of 0.4 - 0.9 % |
| Molybdenum |
Molybdenum of 0.25 - 0.35 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2E-7 - 2.16E-7 Ω·m |
| - |
50.0 °C |
Electrical resistivity of 2.37E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.5E-7 - 2.68E-7 Ω·m |
| - |
150.0 °C |
Electrical resistivity of 3.02E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.24E-7 - 3.39E-7 Ω·m |
| - |
250.0 °C |
Electrical resistivity of 3.8E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.1E-7 - 4.25E-7 Ω·m |
| - |
350.0 °C |
Electrical resistivity of 4.74E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.14E-7 - 5.27E-7 Ω·m |
| - |
450.0 °C |
Electrical resistivity of 5.83E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.33E-7 - 6.42E-7 Ω·m |
| - |
550.0 °C |
Electrical resistivity of 7.08E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.69E-7 - 7.8E-7 Ω·m |
DIN 17155 Grade 15Mo3 normalized or normalized formed (+N) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 212 - 212.48 GPa |
| - |
50.0 °C |
Elastic modulus of 211.6 GPa |
| - |
100.0 °C |
Elastic modulus of 207 - 209.25 GPa |
| - |
150.0 °C |
Elastic modulus of 206.11 GPa |
| - |
200.0 °C |
Elastic modulus of 199 - 202.48 GPa |
| - |
250.0 °C |
Elastic modulus of 198.36 GPa |
| - |
300.0 °C |
Elastic modulus of 192 - 194.14 GPa |
| - |
350.0 °C |
Elastic modulus of 189.82 GPa |
| - |
400.0 °C |
Elastic modulus of 184 - 185.51 GPa |
| - |
450.0 °C |
Elastic modulus of 180.99 GPa |
| - |
500.0 °C |
Elastic modulus of 175 - 176.48 GPa |
| - |
550.0 °C |
Elastic modulus of 171.97 GPa |
| - |
600.0 °C |
Elastic modulus of 164 - 166.97 GPa |
| Elongation |
20.0 °C |
Elongation of 19 - 23 % |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 20 % |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 130 - 170 [-] |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
50.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
100.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
150.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
200.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
250.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
300.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
350.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
400.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
450.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
500.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
550.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
600.0 °C |
Poisson's ratio of 0.3 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 82.6 GPa |
| - |
50.0 °C |
Shear modulus of 82.21 GPa |
| - |
100.0 °C |
Shear modulus of 81.23 GPa |
| - |
150.0 °C |
Shear modulus of 79.95 GPa |
| - |
200.0 °C |
Shear modulus of 78.48 GPa |
| - |
250.0 °C |
Shear modulus of 76.81 GPa |
| - |
300.0 °C |
Shear modulus of 75.05 GPa |
| - |
350.0 °C |
Shear modulus of 73.38 GPa |
| - |
400.0 °C |
Shear modulus of 71.61 GPa |
| - |
450.0 °C |
Shear modulus of 69.75 GPa |
| - |
500.0 °C |
Shear modulus of 67.98 GPa |
| - |
550.0 °C |
Shear modulus of 66.22 GPa |
| - |
600.0 °C |
Shear modulus of 64.35 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 420 - 600 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 220 - 295 MPa |
| - |
100.0 °C |
Yield strength Rp0.2 of 240 - 264 MPa |
| - |
150.0 °C |
Yield strength Rp0.2 of 220 - 245 MPa |
| - |
200.0 °C |
Yield strength Rp0.2 of 190 - 240 MPa |
| - |
250.0 °C |
Yield strength Rp0.2 of 175 - 220 MPa |
| - |
300.0 °C |
Yield strength Rp0.2 of 150 - 205 MPa |
| - |
350.0 °C |
Yield strength Rp0.2 of 145 - 190 MPa |
| - |
400.0 °C |
Yield strength Rp0.2 of 140 - 180 MPa |
| - |
450.0 °C |
Yield strength Rp0.2 of 135 - 170 MPa |
| - |
500.0 °C |
Yield strength Rp0.2 of 130 - 165 MPa |
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