DIN 17440 Grade X14CrMoS17 quenched and tempered (+QT)
DIN 17440 Grade X14CrMoS17 quenched and tempered (+QT) introduction
The material X14CrMoS17 is used acc. DIN 17440 : 1996-09 for rods (for pressure vessels), forgings and drawn wire. For the application acc. DIN 17440 : 1985-07 (X 12 CrMoS 17) resp. acc. DIN EN 10088-1,-2,-3 : 1995-08 (X14CrMoS17) applies: stainless free-cutting steel used in the quenched and tempered condition for construction parts like screws, nuts, fittings, axles, bolts, spindles in water, steam and weak alkaline and neutral media as well as for solenoid valves.
Because of the S-content the corrosion resistance is comparable to an steel with 13% Cr.
Equivalent material: AS 430F, ISO 9a, JIS SUS430F, SS 2383, UNE F.3117-X10CrS17, ASTM 430F, AFNOR Z10CF17, BS 441S29, UNI X10CrS17, UNE F.3117, UNE X10CrS17, DIN 1.4742, DIN X10CrAl18, AFNOR Z10CAS18, BS 430S15, UNI X8Cr17, UNE F.3113, AISI 442, SAE 442, JIS SUH21, EN X10CrAlSi18, EN 1.4742
DIN 17440 Grade X14CrMoS17 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.65 - 7.7 g/cm³ |
DIN 17440 Grade X14CrMoS17 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 |
- |
| Melting point |
- |
Melting point of 1425 - 1530 °C |
Typical for Ferritic 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 X14CrMoS17 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 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.15 - 0.35 % |
DIN 17440 Grade X14CrMoS17 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 X14CrMoS17 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 Ferritic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Ferritic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 640 - 840 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 450 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 450 MPa |
- |
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