EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT)
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) introduction
The patented steel grade X2CrNiN23-4, material number 1.4362 is acc. to VdT_V-Wbl 496 : 2001-09 used for pressure vessels as per TRB 100 and AD-data sheets W 2 and W 10 for pipelines and pipeline components acc. to TRR, TRbF and TRGL, for pressure gas tanks as per TRG each from -40 to 280 deg. For application in nuclear power engineering are required individual certificates or additional expertises as far as this is stated in nuclear rules or object-related specifications. The steel is suitable for pressure devices acc. to EG-Directive 97/23/EG (allowing for paragraph 4 appendix I). Welding suitability of the steel is examined allowing for generally accepted engineering rules for the following welding methods: metal inert gas welding, metal arc welding and submerged welding.
The working temperature during the welding shouldnt exceed 120 degrees. An heat-treating afte the welding isnt necessary.
This material is cold and warm formable. X2CrNiN23-4 tends to 475 deg.-embrittlement. Short-term overstepping of the upper application temperature limit of 280 deg. to max. 300 deg. is allowable.
After an running time of over 5000 h at 300 degrees an decrease of the notch impact energy is possible.
The material is well resistant to stress corrosion and intercrystalline corrosion (also in sensitized condition). Well resistant to general corrosion and pitting corrosion. To the material acc. to DIN EN 10216-5 : 2004-11 applies: X2CrNiN23-4 is a stainless duplex steel with high strength and hardness. Application for leightweight constructions with longer durability and higher reliability, such as heat exchanger and pipelines in chloride containing media, hydraulic pipes, feeder water pre-heater, agitator shafts, steam heating systems. The brand may be used acc. to DIN EN 10095 : 1999-05 as heat resistant steel.
Equivalent material: UNS S32304, GB 022Cr23Ni4MoCuN, GB S23043, DIN 1.4362, DIN X2CrNiN23-4, AFNOR Z2CN23-04AZ, SS 2327, AISI S32304, SAE S32304, EN 1.4362, ASTM 2304
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.8 g/cm³ |
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.3E-5 - 1.33E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.35E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 300 °C |
Typical for Duplex Stainless Steel |
| Melting point |
- |
Melting point of 1375 - 1450 °C |
Typical for Duplex Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 13.4 - 15 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 14.9 W/(m·K) |
- |
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.03 % |
| Chromium |
Chromium of 22 - 24 % |
| Copper |
Copper of 0.1 - 0.6 % |
| Manganese |
Manganese of 2 % |
| Molybdenum |
Molybdenum of 0.1 - 0.6 % |
| Nickel |
Nickel of 3.5 - 5.5 % |
| Nitrogen |
Nitrogen of 0.05 - 0.2 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 7.85E-7 - 8E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 8.44E-7 Ω·m |
EN 10216-5 Grade X2CrNiN23-4 solution annealed (+AT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 - 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 194 - 206 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 186 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 180 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 25 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Duplex Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Duplex Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 600 - 820 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 400 MPa |
- |
| - |
50.0 °C |
Yield strength Rp0.2 of 370 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 330 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 310 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 290 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 280 MPa |
- |
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