DIN 17440 Grade X6CrAl13 soft annealed (+A)

DIN 17440 Grade X6CrAl13 soft annealed (+A)

DIN 17440 Grade X6CrAl13 soft annealed (+A) introduction

Properties:
- Al-additives reduces hardening next to the welding seam and thus the tendency for cracking
- application temperature: up to 600 °C
Application:
- for construction of parts in petroleum industry (crack systems)
- for welded parts in hydroelectric power plant construction

Equivalent material: AS 405, AFNOR Z6CA13, BS 405S17, ISO 2, UNI X6CrAl13, JIS SUS405, PN 0H13J, UNE F.3111, UNE X6CrAl13, ASTM 405, PN OH13J, UNE F.3111-X6CrAl13, DIN 1.4002, AFNOR Z8CA12, AFNOR X6CrAl13, BS X6CrAl13, AISI 405, AISI S40500, SAE 405, SAE S40500, JIS SUS405TB, JIS SUS405TP, EN X6CrAl13, EN 1.4002, ISO 66, ISO 4002-405-00-I, ISO FP13H, ISO X6CrAl13, GB/T 0Cr13Al, GB/T 06Cr13Al, GB/T S11348, ASTM MT405, ASTM TP405, UNS S40500

DIN 17440 Grade X6CrAl13 soft annealed (+A) general

Property Temperature Value
Density 20.0 °C Density of 7.58 - 7.7 g/cm³

DIN 17440 Grade X6CrAl13 soft annealed (+A) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 20.0 °C Coefficient of thermal expansion of 1.02E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.09E-5 - 1.1E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.13E-5 - 1.15E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.16E-5 - 1.2E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.2E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.22E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.24E-5 1/K -
Max service temperature, long - Max service temperature, long of 0 - 600 °C -
Melting point - Melting point of 1425 - 1530 °C Typical for Ferritic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 439 - 460 J/(kg·K) -
- 100.0 °C Specific heat capacity of 474 J/(kg·K) -
- 200.0 °C Specific heat capacity of 492 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 538 J/(kg·K) -
- 500.0 °C Specific heat capacity of 564 J/(kg·K) -
- 600.0 °C Specific heat capacity of 598 J/(kg·K) -
- 700.0 °C Specific heat capacity of 647 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 15.7 - 30 W/(m·K) -
- 100.0 °C Thermal conductivity of 17.1 W/(m·K) -
- 200.0 °C Thermal conductivity of 18.6 W/(m·K) -
- 300.0 °C Thermal conductivity of 20 W/(m·K) -
- 400.0 °C Thermal conductivity of 21.2 W/(m·K) -
- 500.0 °C Thermal conductivity of 22.3 W/(m·K) -
- 600.0 °C Thermal conductivity of 23.1 W/(m·K) -
- 700.0 °C Thermal conductivity of 23.8 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 4.7 mm²/s -
- 100.0 °C Thermal diffusivity of 4.5 mm²/s -
- 200.0 °C Thermal diffusivity of 4.6 mm²/s -
- 300.0 °C Thermal diffusivity of 4.7 mm²/s -
- 400.0 °C Thermal diffusivity of 4.5 mm²/s -
- 500.0 °C Thermal diffusivity of 4.3 mm²/s -
- 600.0 °C Thermal diffusivity of 3.7 mm²/s -
- 700.0 °C Thermal diffusivity of 3 mm²/s -

DIN 17440 Grade X6CrAl13 soft annealed (+A) chemical

Property Value
Aluminium Aluminium of 0.1 - 0.3 %
Carbon Carbon of 0.08 %
Chromium Chromium of 12 - 14 %
Manganese Manganese of 1 %
Phosphorus Phosphorus of 0.04 - 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 - 0.03 %

DIN 17440 Grade X6CrAl13 soft annealed (+A) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 6E-7 - 9.19E-7 Ω·m
- 100.0 °C Electrical resistivity of 9.48E-7 Ω·m
- 200.0 °C Electrical resistivity of 9.87E-7 Ω·m
- 300.0 °C Electrical resistivity of 1.03E-6 Ω·m
- 400.0 °C Electrical resistivity of 1.07E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.12E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.18E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.24E-6 Ω·m

DIN 17440 Grade X6CrAl13 soft annealed (+A) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 216 - 220 GPa -
- 100.0 °C Elastic modulus of 213 - 215 GPa -
- 200.0 °C Elastic modulus of 206 - 210 GPa -
- 300.0 °C Elastic modulus of 198 - 205 GPa -
- 400.0 °C Elastic modulus of 190 - 195 GPa -
- 500.0 °C Elastic modulus of 180 GPa -
- 600.0 °C Elastic modulus of 167 GPa -
- 700.0 °C Elastic modulus of 150 GPa -
Elongation 20.0 °C Elongation of 20 % -
Elongation, transverse 20.0 °C Elongation, transverse of 15 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 185 [-] -
Hardness, Brinell, trans 20.0 °C Hardness, Brinell, trans of 185 [-] -
Hardness, Vickers 20.0 °C Hardness, Vickers of 185 [-] -
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 400 - 600 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 400 - 600 MPa -
Yield strength 20.0 °C Yield strength of 250 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 240 - 250 MPa -
- 50.0 °C Yield strength Rp0.2 of 235 - 240 MPa -
- 100.0 °C Yield strength Rp0.2 of 230 - 235 MPa -
- 150.0 °C Yield strength Rp0.2 of 225 - 230 MPa -
- 200.0 °C Yield strength Rp0.2 of 225 MPa -
- 250.0 °C Yield strength Rp0.2 of 220 - 225 MPa -
- 300.0 °C Yield strength Rp0.2 of 210 - 220 MPa -
- 350.0 °C Yield strength Rp0.2 of 195 - 210 MPa -
- 400.0 °C Yield strength Rp0.2 of 195 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 250 MPa -
Yield strength, transverse 20.0 °C Yield strength, transverse of 250 MPa -

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