DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT)
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) introduction
Properties:
- stainless free cutting steel
- application in quenched and tempered state
- corrosion resistance is similar to an 13%-Cr-steel, because of its sulfur additional
- application temperature: -25 to 550 °C
Application:
- for application enviroment like water, steam, weak alkaline and neutral media
- for screws, nuts, fittings, axis, bolts, spindles
- for magnetic valve
Equivalent material: AS 430F, AFNOR Z10CF17, BS 441S29, ISO 9a, UNI X10CrS17, JIS SUS430F, SS 2383, UNE F.3117, UNE X10CrS17, ASTM 430F, DIN X14CrMoS17, DIN 1.4104, AFNOR Z13CF17, AISI 430F, SAE 430F, EN X14CrMoS17, EN 1.4104, ISO X14CrMoS17, ISO C4, GB Y10Cr17, UNS S43020
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.65 - 7.7 g/cm³ |
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 9.2E-6 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 9.9E-6 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.03E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.05E-5 - 1.08E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.05E-5 - 1.12E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.05E-5 - 1.16E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.19E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
700.0 °C |
Coefficient of thermal expansion of 1.24E-5 1/K |
- |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| - |
900.0 °C |
Coefficient of thermal expansion of 1.34E-5 1/K |
- |
| - |
1000.0 °C |
Coefficient of thermal expansion of 1.39E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of -25 - 550 °C |
- |
| Melting point |
- |
Melting point of 1370 - 1530 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 450 - 460 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 482 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 506 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 525 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 547 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 576 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 616 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 19.6 - 25 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 5.7 mm²/s |
- |
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.1 - 0.17 % |
| Chromium |
Chromium of 15.5 - 17.5 % |
| Manganese |
Manganese of 1.5 % |
| Molybdenum |
Molybdenum of 0.2 - 0.6 % |
| Phosphorus |
Phosphorus of 0.06 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.15 - 0.35 % |
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 6.17E-7 - 7E-7 Ω·m |
DIN 17440 Grade X12CrMoS17 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 196 - 216 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 213 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 200 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 192 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 11 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Martensitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 640 - 840 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 450 MPa |
- |
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