EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT)

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) introduction

The high heat-resistant steel X 10 NiCrAlTi 32 20 (now: X10NiCrAlTi32-21), mat. No 1.4876, is applicated acc. to VdTÜV-Wbl 412 : 2001-06 for pressure vessels acc. to AD-data sheet W 2 in soft annealed condition from -10 to 600 °C and in solution annealed condition from -10 to 900 °C, for pressure boilers acc. to TRD 101, TRD 102, TRD 105 and TRD 107 in soft annealed and solution annealed condition like for pressure vessels. Further application in nuclear power engineering as far as nuclear rules or object related specifications approve the use from -10 to 600 °C (soft annealed condition) resp. from -10 to 900 °C (solution annealed condition). The steel has to be used in long-term range in solution annealed delivery condition of grit size 5 or coarsier acc. to DIN 50601. The steel is fusion weldable using metal arc welding by covered rod electrodes (additional materials: 2.4805, 2.4807, 2.4651, 2.4648, 2.4620) and inert arc welding by welding rods and wire electrodes (additional material: 2.4806). Preheating is not necessary, also heat-treatment after welding. For wall thicknesses >50 mm is for reduction of self-equilibrating stress an annealing at 850°C necessary. To material DIN EN 10095 : 1999-03 applies: The high alloyed steel shows scaling resistance up to max. 1100°C (highest application temp. in air). It has favorable resistance to alternation of oxidizing and reducing athmosphere. No embrittlement risk. Well corrosion resistance to hydrocarbon and petrochemical products. Application in reforming and pyrolysis facilities as well as in high-temperature and cracking facilities.

Equivalent material: GB NS1101, GB NS1102, GB H08800, GB H08810, DIN X10NiCrAlTi32-20, ISO X8NiCrAlTi32-21, JIS NCF800, GOST X8NiCrAlTi32-21, KS NCF800, ASTM A240Type800, ASTM A240Type800H, ASTM A240Type800HT, ASTM A480Type800, ASTM A480Type800H, ASTM A480Type800HT, ASTM B409Type800, ASTM B409Type800H, ASTM B409Type800HT, UNS N08800, UNS N08810, UNS N08811, DIN 1.4876, DIN X10NiCrAlTi32-21, AFNOR Z10NC32-21, AISI 800, AISI N08810, SAE 800, SAE N08810, JIS NCF800TF, JIS NCF800HTF, EN X5NiCrAlTi31-20, EN 1.4876

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) general

Property Temperature Value
Density 20.0 °C Density of 7.94 - 8 g/cm³

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.36E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.46E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.51E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.5E-5 - 1.57E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.62E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.6E-5 - 1.66E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.7E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.7E-5 - 1.74E-5 1/K -
- 700.0 °C Coefficient of thermal expansion of 1.77E-5 1/K -
- 800.0 °C Coefficient of thermal expansion of 1.75E-5 - 1.8E-5 1/K -
- 900.0 °C Coefficient of thermal expansion of 1.83E-5 1/K -
- 1000.0 °C Coefficient of thermal expansion of 1.85E-5 - 1.86E-5 1/K -
Max service temperature, long - Max service temperature, long of 0 - 1000 °C -
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 472 - 550 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 11.5 - 12 W/(m·K) -
- 100.0 °C Thermal conductivity of 13.1 W/(m·K) -
- 200.0 °C Thermal conductivity of 14.8 W/(m·K) -
- 300.0 °C Thermal conductivity of 16.4 W/(m·K) -
- 400.0 °C Thermal conductivity of 18.1 W/(m·K) -
- 500.0 °C Thermal conductivity of 17 - 19.6 W/(m·K) -
- 600.0 °C Thermal conductivity of 21.2 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 27.3 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 3.1 mm²/s -
- 100.0 °C Thermal diffusivity of 3.3 mm²/s -
- 200.0 °C Thermal diffusivity of 3.6 mm²/s -
- 300.0 °C Thermal diffusivity of 3.9 mm²/s -
- 400.0 °C Thermal diffusivity of 4.2 mm²/s -
- 500.0 °C Thermal diffusivity of 4.4 mm²/s -
- 600.0 °C Thermal diffusivity of 4.6 mm²/s -
- 700.0 °C Thermal diffusivity of 4.9 mm²/s -
- 800.0 °C Thermal diffusivity of 5.2 mm²/s -
- 900.0 °C Thermal diffusivity of 5.5 mm²/s -
- 1000.0 °C Thermal diffusivity of 5.7 mm²/s -

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) chemical

Property Value
Aluminium Aluminium of 0.15 - 0.6 %
Carbon Carbon of 0.12 %
Chromium Chromium of 19 - 23 %
Manganese Manganese of 2 %
Nickel Nickel of 30 - 34 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.015 %
Titanium Titanium of 0.15 - 0.6 %

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 1E-6 - 1.01E-6 Ω·m
- 100.0 °C Electrical resistivity of 1.04E-6 Ω·m
- 200.0 °C Electrical resistivity of 1.08E-6 Ω·m
- 300.0 °C Electrical resistivity of 1.12E-6 Ω·m
- 400.0 °C Electrical resistivity of 1.15E-6 Ω·m
- 500.0 °C Electrical resistivity of 1.18E-6 Ω·m
- 600.0 °C Electrical resistivity of 1.2E-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 1.27E-6 Ω·m

EN 10095 Grade X10NiCrAlTi32-21 solution annealed (+AT) mechanical

Property Temperature Value Comment
Elastic modulus -100.0 °C Elastic modulus of 201 GPa -
- 20.0 °C Elastic modulus of 194 GPa -
- 100.0 °C Elastic modulus of 189 GPa -
- 200.0 °C Elastic modulus of 183 GPa -
- 300.0 °C Elastic modulus of 177 GPa -
- 400.0 °C Elastic modulus of 170 GPa -
- 500.0 °C Elastic modulus of 163 GPa -
- 600.0 °C Elastic modulus of 156 GPa -
- 700.0 °C Elastic modulus of 149 GPa -
- 800.0 °C Elastic modulus of 141 GPa -
- 900.0 °C Elastic modulus of 134 GPa -
- 1000.0 °C Elastic modulus of 127 GPa -
Elongation 20.0 °C Elongation of 30 % -
Elongation A80 20.0 °C Elongation A80 of 28 % -
Hardness, Brinell 20.0 °C Hardness, Brinell of 192 [-] -
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 450 - 680 MPa -
Yield strength Rp0.2 20.0 °C Yield strength Rp0.2 of 170 MPa -
Yield strength Rp1.0 20.0 °C Yield strength Rp1.0 of 210 MPa -

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