DIN 17440 Grade X20Cr13 soft annealed (+A)

DIN 17440 Grade X20Cr13 soft annealed (+A) introduction

Propertties:
- good corrosion resistance to water and steam
- is able for high gloss polishing
- application temperature: -40 up to 550°C
Application:
- for construction elements, requiring higher strengths because higher mechanical loadings
- axis, parts for pumps, plunger, valve cone, nozzle pin, propeller for ships
- also for beater bars and surgical instruments

Equivalent material: AS 420, AFNOR Z20C13, BS 420S37, GOST 20Ch13, ISO 4, UNI X20Cr13, JIS SUS420J1, NS 14210, PN 2H13, SS 2303, UNE F.3402, UNE X20Cr13, ASTM 420, UNE F.3402-X20Cr13, DIN 1.4021, DIN X30Cr13, BS 420S29, AISI 420, SAE 420, JIS SUS 420J1, JIS SUS420J1FB, JIS SUS420J1TKA, EN X20Cr13, EN 1.4021, ISO 20Cr13, GB 2Cr13, UNS S42000

DIN 17440 Grade X20Cr13 soft annealed (+A) general

Property Temperature Value
Density 20.0 °C Density of 7.7 - 7.71 g/cm³

DIN 17440 Grade X20Cr13 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 -
Max service temperature, long - Max service temperature, long of -40 - 550 °C -
Melting point - Melting point of 1370 - 1530 °C Typical for Martensitic 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 498 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) -
Thermal conductivity 20.0 °C Thermal conductivity of 24.6 - 30 W/(m·K) -
- 100.0 °C Thermal conductivity of 24.7 W/(m·K) -
- 200.0 °C Thermal conductivity of 25 W/(m·K) -
- 300.0 °C Thermal conductivity of 25.2 W/(m·K) -
- 400.0 °C Thermal conductivity of 25.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 25.8 W/(m·K) -
- 600.0 °C Thermal conductivity of 26 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 7.3 mm²/s -
- 100.0 °C Thermal diffusivity of 6.4 mm²/s -
- 200.0 °C Thermal diffusivity of 6.1 mm²/s -
- 300.0 °C Thermal diffusivity of 5.8 mm²/s -
- 400.0 °C Thermal diffusivity of 5.4 mm²/s -
- 500.0 °C Thermal diffusivity of 4.8 mm²/s -
- 600.0 °C Thermal diffusivity of 4.1 mm²/s -

DIN 17440 Grade X20Cr13 soft annealed (+A) chemical

Property Value
Carbon Carbon of 0.16 - 0.25 %
Chromium Chromium of 12 - 14 %
Manganese Manganese of 1 - 1.5 %
Phosphorus Phosphorus of 0.04 - 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 - 0.03 %

DIN 17440 Grade X20Cr13 soft annealed (+A) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 5.87E-7 - 6E-7 Ω·m
- 100.0 °C Electrical resistivity of 6.55E-7 Ω·m
- 200.0 °C Electrical resistivity of 7.38E-7 Ω·m
- 300.0 °C Electrical resistivity of 8.19E-7 Ω·m
- 400.0 °C Electrical resistivity of 8.96E-7 Ω·m
- 500.0 °C Electrical resistivity of 9.7E-7 Ω·m
- 600.0 °C Electrical resistivity of 1.04E-6 Ω·m

DIN 17440 Grade X20Cr13 soft annealed (+A) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 216 - 222 GPa -
- 100.0 °C Elastic modulus of 213 - 216 GPa -
- 200.0 °C Elastic modulus of 207 - 209 GPa -
- 300.0 °C Elastic modulus of 200 - 201 GPa -
- 400.0 °C Elastic modulus of 192 GPa -
- 500.0 °C Elastic modulus of 183 GPa -
- 600.0 °C Elastic modulus of 174 GPa -
Hardness, Brinell 20.0 °C Hardness, Brinell of 230 [-] -
Hardness, Vickers 20.0 °C Hardness, Vickers of 230 [-] -
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 740 MPa -

From concept to completion, we deliver excellence in every aspect of the steel supply chain.

-- Our promise

Similar or equivalent steel materials

Get a quote