EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900)
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) introduction
The martensitic steel grade X17CrNi16-2 acc. to DIN EN 10272 : 2001-01 is used for hot and cold formed rods for pressure vessels. The material is a heat treatable 17 per cent chrom steel with favorable resistance to water, weak acids and bases as well as to stronger oxidizing acids (e.g. nitrous acid). It shows favorable running properties and abrasion resistance, it is also suitable for mirror finishing. For components sliding on top of each other should be chosen different tempering grades, otherwise risk of seizing.
Equivalent material: AS 431, BDS 2Ch17N2, GB 1Cr17Ni2, AFNOR Z15CN16-02, BS 431S29, GOST 20Ch17N2, ISO 9b, UNI X16CrNi16, JIS SUS431, NS 14230, PN 2H17N2, STAS 22NiCr170, SS 2321, UNE F.3427, UNE X19CrNi17-2, MSZ KO16, ASTM 431, DIN X17CrNi16-2, GB 14Cr17Ni2, GB S43120, GB 17Cr16Ni12, GB S43110, IS X15Cr16Ni2, KS STS431, GOST 14Ch17N2, AISI 431, SAE 431, UNS S43100, ISO X17CrNi16-2, ISO 4057-431-00-X, ISO MP16G, GOST 14Х17Н2, GOST 20Х17Н2, ASTM A479Type431, AISI Type431, DIN X20CrNi17-2, DIN X22CrNi17, DIN 1.4057, BS 321S31, BS 7S80, EN 1.4057, ISO C3, AMS 5628, ASTM MT431, IS 15Cr16Ni2
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.65 - 7.7 g/cm³ |
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) 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 1.19E-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 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 |
- |
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) chemical
| Property |
Value |
| Carbon |
Carbon of 0.12 - 0.22 % |
| Chromium |
Chromium of 15 - 17 % |
| Manganese |
Manganese of 1.5 % |
| Nickel |
Nickel of 1.5 - 2.5 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 - 0.03 % |
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 6.17E-7 - 7E-7 Ω·m |
EN 10272 Grade X17CrNi16-2 quenched and tempered (+QT900) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 196 - 215 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 205 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 200 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 190 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 10 - 14 % |
- |
| 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 900 - 1050 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 700 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 565 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 525 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 505 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 490 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 470 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 430 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 375 MPa |
- |
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