DIN 17445 Grade G-X3CrNiMoN17-13-5 Quenched: High-Temperature Resistant Steel for Pressure Vessels
Tthe material G-X 3 CrNiMoN 17 13 5, material number 1.4439, can be used in a temperature range between -60 °C and 400 °C according to VdTÜV-Wbl 458 : 2001-12 for pressure vessels based on the TRB 100 and the AD-Merkblättern W 5 und W 10 including W 5 und A 4. Single certificats or complementary certificats are necessairy for the application in the nuclear power technic, when it is specified in the rules of nuclear power engineering. The material is metal-arc-weldable using covered rod-electrodes (preheating is not necessairy according to DIN 17445-84 bzw. VdTÜV-Werkstoffblatt 458, 02.83.) Application for the chemical industry. The material is resistant against chlorid of higher concentrations and higher temperatures
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 195 GPa | Typical for Austenitic Stainless Steel |
Elongation | 20.0 °C | 20 % | |
Hardness, Brinell | 20.0 °C | 130 - 200 [-] | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Austenitic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Austenitic Stainless Steel |
Tensile strength | 20.0 °C | 490 - 690 MPa | |
Yield strength Rp0.2 | 20.0 °C | 210 MPa | |
100.0 °C | 165 MPa | ||
150.0 °C | 150 MPa | ||
200.0 °C | 140 MPa | ||
250.0 °C | 130 MPa | ||
300.0 °C | 120 MPa | ||
350.0 °C | 115 MPa | ||
400.0 °C | 110 MPa | ||
Yield strength Rp1.0 | 20.0 °C | 230 MPa | |
100.0 °C | 192 MPa | ||
150.0 °C | 177 MPa | ||
200.0 °C | 162 MPa | ||
250.0 °C | 151 MPa | ||
300.0 °C | 143 MPa | ||
350.0 °C | 138 MPa | ||
400.0 °C | 125 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.65E-5 1/K | |
200.0 °C | 1.75E-5 1/K | ||
300.0 °C | 1.75E-5 1/K | ||
400.0 °C | 1.85E-5 1/K | ||
500.0 °C | 1.85E-5 1/K | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | 20.0 °C | 500 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 17 W/(m·K) | |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 8.5E-7 Ω·m | Typical for Austenitic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.04 % |
Chromium | 16.5 - 18.5 % |
Manganese | 1.5 % |
Molybdenum | 4 - 4.5 % |
Nickel | 12.5 - 14.5 % |
Nitrogen | 0.12 - 0.22 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.03 % |
Metal
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