DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q)

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) introduction

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

Equivalent material: DIN 1.4439, DIN X2CrNiMoN17-13-5, AFNOR Z3CND18-14-05Az, UNE F.3544, AISI 317LMN, SAE 317LMN, JIS SUS317J1, EN X2CrNiMoN17-13-5, EN 1.4439, ASTM 317LMN, ASTM Grade F48, UNS S31726

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) general

Property Temperature Value
Density 20.0 °C Density of 8 g/cm³

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 100.0 °C Coefficient of thermal expansion of 1.65E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.75E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.75E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.85E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.85E-5 1/K -
Melting point - Melting point of 1230 - 1480 °C Typical for Austenitic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 500 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 17 W/(m·K) -

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) chemical

Property Value
Carbon Carbon of 0.04 %
Chromium Chromium of 16.5 - 18.5 %
Manganese Manganese of 1.5 %
Molybdenum Molybdenum of 4 - 4.5 %
Nickel Nickel of 12.5 - 14.5 %
Nitrogen Nitrogen of 0.12 - 0.22 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) electrical

Property Temperature Value Comment
Electrical resistivity 23.0 °C Electrical resistivity of 8.5E-7 Ω·m Typical for Austenitic Stainless Steel

DIN 17445 Grade G-X3CrNiMoN17-13-5 quenched (+Q) mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 195 GPa Typical for Austenitic Stainless Steel
Elongation 20.0 °C Elongation of 20 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 130 - 200 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Austenitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Austenitic Stainless Steel
Tensile strength 20.0 °C Tensile strength of 490 - 690 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 210 MPa -
- 100.0 °C Yield strength Rp0.2 of 165 MPa -
- 150.0 °C Yield strength Rp0.2 of 150 MPa -
- 200.0 °C Yield strength Rp0.2 of 140 MPa -
- 250.0 °C Yield strength Rp0.2 of 130 MPa -
- 300.0 °C Yield strength Rp0.2 of 120 MPa -
- 350.0 °C Yield strength Rp0.2 of 115 MPa -
- 400.0 °C Yield strength Rp0.2 of 110 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 230 MPa -
- 100.0 °C Yield strength Rp1.0 of 192 MPa -
- 150.0 °C Yield strength Rp1.0 of 177 MPa -
- 200.0 °C Yield strength Rp1.0 of 162 MPa -
- 250.0 °C Yield strength Rp1.0 of 151 MPa -
- 300.0 °C Yield strength Rp1.0 of 143 MPa -
- 350.0 °C Yield strength Rp1.0 of 138 MPa -
- 400.0 °C Yield strength Rp1.0 of 125 MPa -

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