EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT)

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) introduction

The austenitic steel grade X1NiCrMoCu25-20-5 acc. to DIN EN 10272 : 2001-01is used for hot and cold formed rods for pressure vessel. The material shows high resistance to highly aggressive organic and inorganic acids, high pitting and largely stress corrosion resistance. With an interaction parameter (Pitting index) of 39 after 1.4529 is it the second best of all steels. The material is resistant to intercrystalline corrosion also in sensitized condition.

Equivalent material: AFNOR Z1NCDU25-20, BS 904S13, ISO A-4, NS 14485, SS 2562, MSZ KO44ELC, ASTM N08904, ASME N08904, SAE 904L, UNS N08904, GB 015Cr21Ni26Mo5Cu2, GB S31782, ISO X2NiCrMoCu25-20-5, ISO X1NiCrMoCu25-20-5, ISO 4539-089-04-I, ISO AN50A, JIS SUS890L, ASTM A479Type904L, AISI Type904L, AISI 904L, DIN X1NiCrMoCuN25-20-5, DIN 1.4539, DIN X1NiCrMoCu25-20-5, AFNOR Z2NCDU25-20, JIS SUS890LTP, JIS SUS890LTB, EN 1.4539, ASTM 904L, ASTM Grade F904L

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.76 - 8 g/cm³

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.49E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.61E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.58E-5 - 1.67E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.61E-5 - 1.72E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.65E-5 - 1.77E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.69E-5 - 1.81E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.73E-5 - 1.84E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.88E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.91E-5 1/K -
- 800.0 °C Coefficient of thermal expansion of 1.94E-5 1/K -
- 900.0 °C Coefficient of thermal expansion of 1.97E-5 1/K -
- 1000.0 °C Coefficient of thermal expansion of 2E-5 1/K -
Melting point - Melting point of 1230 - 1480 °C Typical for Austenitic Stainless Steel
Specific heat capacity -100.0 °C Specific heat capacity of 440 J/(kg·K) -
- 20.0 °C Specific heat capacity of 450 - 472 J/(kg·K) -
- 100.0 °C Specific heat capacity of 487 J/(kg·K) -
- 200.0 °C Specific heat capacity of 503 J/(kg·K) -
- 300.0 °C Specific heat capacity of 512 J/(kg·K) -
- 400.0 °C Specific heat capacity of 520 J/(kg·K) -
- 500.0 °C Specific heat capacity of 530 J/(kg·K) -
- 600.0 °C Specific heat capacity of 541 J/(kg·K) -
- 700.0 °C Specific heat capacity of 551 J/(kg·K) -
- 800.0 °C Specific heat capacity of 559 J/(kg·K) -
- 900.0 °C Specific heat capacity of 565 J/(kg·K) -
- 1000.0 °C Specific heat capacity of 571 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 11.9 - 12 W/(m·K) -
- 100.0 °C Thermal conductivity of 13.3 W/(m·K) -
- 200.0 °C Thermal conductivity of 15.1 W/(m·K) -
- 300.0 °C Thermal conductivity of 16.7 W/(m·K) -
- 400.0 °C Thermal conductivity of 18.3 W/(m·K) -
- 500.0 °C Thermal conductivity of 19.8 W/(m·K) -
- 600.0 °C Thermal conductivity of 21.3 W/(m·K) -
- 700.0 °C Thermal conductivity of 22.8 W/(m·K) -
- 800.0 °C Thermal conductivity of 24.3 W/(m·K) -
- 900.0 °C Thermal conductivity of 25.7 W/(m·K) -
- 1000.0 °C Thermal conductivity of 27.1 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.3 mm²/s -
- 100.0 °C Thermal diffusivity of 3.4 mm²/s -
- 200.0 °C Thermal diffusivity of 3.7 mm²/s -
- 300.0 °C Thermal diffusivity of 4.1 mm²/s -
- 400.0 °C Thermal diffusivity of 4.3 mm²/s -
- 500.0 °C Thermal diffusivity of 4.5 mm²/s -
- 600.0 °C Thermal diffusivity of 4.7 mm²/s -
- 700.0 °C Thermal diffusivity of 5 mm²/s -
- 800.0 °C Thermal diffusivity of 5.4 mm²/s -
- 900.0 °C Thermal diffusivity of 5.7 mm²/s -
- 1000.0 °C Thermal diffusivity of 5.8 mm²/s -

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) chemical

Property Value
Carbon Carbon of 0.02 %
Chromium Chromium of 19 - 21 %
Copper Copper of 1.2 - 2 %
Manganese Manganese of 2 %
Molybdenum Molybdenum of 4 - 5 %
Nickel Nickel of 24 - 26 %
Nitrogen Nitrogen of 0.15 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.7 %
Sulfur Sulfur of 0.01 %

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 9.59E-7 - 1E-6 Ω·m
- 100.0 °C Electrical resistivity of 1.01E-6 Ω·m
- 200.0 °C Electrical resistivity of 1.05E-6 Ω·m
- 300.0 °C Electrical resistivity of 1.1E-6 Ω·m
- 400.0 °C Electrical resistivity of 1.13E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.17E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.19E-6 Ω·m
- 700.0 °C Electrical resistivity of 1.22E-6 Ω·m
- 800.0 °C Electrical resistivity of 1.24E-6 Ω·m
- 900.0 °C Electrical resistivity of 1.26E-6 Ω·m
- 1000.0 °C Electrical resistivity of 1.28E-6 Ω·m

EN 10272 Grade X1NiCrMoCu25-20-5 solution annealed (+AT) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 206 GPa -
- 20.0 °C Elastic modulus of 195 - 196 GPa -
- 100.0 °C Elastic modulus of 190 GPa -
- 200.0 °C Elastic modulus of 182 GPa -
- 300.0 °C Elastic modulus of 174 GPa -
- 400.0 °C Elastic modulus of 166 GPa -
- 500.0 °C Elastic modulus of 158 GPa -
- 600.0 °C Elastic modulus of 150 GPa -
- 700.0 °C Elastic modulus of 142 GPa -
- 800.0 °C Elastic modulus of 134 GPa -
- 900.0 °C Elastic modulus of 127 GPa -
- 1000.0 °C Elastic modulus of 120 GPa -
Elongation 20.0 °C Elongation of 35 % -
Elongation, transverse 20.0 °C Elongation, transverse of 30 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 230 [-] -
Hardness, Brinell, trans 20.0 °C Hardness, Brinell, trans of 230 [-] -
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 530 - 730 MPa -
- 100.0 °C Tensile strength of 500 MPa -
- 150.0 °C Tensile strength of 480 MPa -
- 200.0 °C Tensile strength of 460 MPa -
- 250.0 °C Tensile strength of 450 MPa -
- 300.0 °C Tensile strength of 440 MPa -
- 350.0 °C Tensile strength of 435 MPa -
Tensile strength, transverse 20.0 °C Tensile strength, transverse of 530 - 730 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 230 MPa -
- 100.0 °C Yield strength Rp0.2 of 205 MPa -
- 150.0 °C Yield strength Rp0.2 of 190 MPa -
- 200.0 °C Yield strength Rp0.2 of 175 MPa -
- 250.0 °C Yield strength Rp0.2 of 160 MPa -
- 300.0 °C Yield strength Rp0.2 of 145 MPa -
- 350.0 °C Yield strength Rp0.2 of 135 MPa -
- 400.0 °C Yield strength Rp0.2 of 125 MPa -
- 450.0 °C Yield strength Rp0.2 of 115 MPa -
- 500.0 °C Yield strength Rp0.2 of 110 MPa -
- 550.0 °C Yield strength Rp0.2 of 105 MPa -
Yield strength Rp0.2, transverse 20.0 °C Yield strength Rp0.2, transverse of 230 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 260 MPa -
- 100.0 °C Yield strength Rp1.0 of 235 MPa -
- 150.0 °C Yield strength Rp1.0 of 220 MPa -
- 200.0 °C Yield strength Rp1.0 of 205 MPa -
- 250.0 °C Yield strength Rp1.0 of 190 MPa -
- 300.0 °C Yield strength Rp1.0 of 175 MPa -
- 350.0 °C Yield strength Rp1.0 of 165 MPa -
- 400.0 °C Yield strength Rp1.0 of 155 MPa -
- 450.0 °C Yield strength Rp1.0 of 145 MPa -
- 500.0 °C Yield strength Rp1.0 of 140 MPa -
- 550.0 °C Yield strength Rp1.0 of 135 MPa -
Yield strength Rp1.0, transverse 20.0 °C Yield strength Rp1.0, transverse of 260 MPa -

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