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EN 10222-5 X6CrNiTi18-10 – Solution Annealed & AT: Premium Corrosion‑Resistant Steel for Chemical & Food Applications

Trademark X6CrNiTi18-10, comparable to X 6 CrNiTi 18 10 acc. to DIN 17440-85 is the stabilized by Ti variant of 1.4301(X 5 CrNi 18 10). Therefore, the steel is after welding resistant ot intercrystalline corrosion also at material thicknesses > 6 mm. Large-scale application for welded components in chemical apparatus engineering as well as in food, luxury food, fatty and soap industry, in film and foto industry, in leather and sugar factories and for household appliances. The steel is accredited for pressure vessel construction up to 300 °C. Application up to 550 °C. is possible subject to absence of media causing intercrystalline attack. The steel is unsuitable for mirror finishing owing to the Ti-addition. X6CrNiTi18-10 is accredited in construction trade for load-bearing components (extended approval certificate No. Z-30.44.1 of the Institut für Bautechnik Berlin dated 1 February 1994). In this approval certificate are compiled demands on materials, calculation, construction and monitoring. Strength grades E 225, E 355 are common.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.93 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

20.0 °C

196 - 200 GPa

95.0 °C

193.05 GPa

100.0 °C

190 - 194 GPa

150.0 °C

188.23 GPa

200.0 °C

182 - 186 GPa

205.0 °C

182.71 GPa

260.0 °C

177.88 GPa

300.0 °C

174 - 179 GPa

315.0 °C

174.44 GPa

370.0 °C

168.92 GPa

400.0 °C

166 - 172 GPa

425.0 °C

164.1 GPa

485.0 °C

159.96 GPa

500.0 °C

158 - 165 GPa

540.0 °C

155.13 GPa

595.0 °C

151 GPa

600.0 °C

150 GPa

650.0 °C

146.17 GPa

700.0 °C

142 GPa

705.0 °C

140.65 GPa

760.0 °C

135.83 GPa

800.0 °C

134 GPa

815.0 °C

131.69 GPa

900.0 °C

127 GPa

1000.0 °C

120 GPa

Elongation

20.0 °C

30 - 40 %

Poisson's ratio

20.0 °C

0.29 [-]

95.0 °C

0.3 [-]

150.0 °C

0.29 [-]

205.0 °C

0.29 [-]

260.0 °C

0.3 [-]

315.0 °C

0.3 [-]

370.0 °C

0.3 [-]

425.0 °C

0.31 [-]

485.0 °C

0.32 [-]

540.0 °C

0.32 [-]

595.0 °C

0.34 [-]

650.0 °C

0.34 [-]

705.0 °C

0.33 [-]

760.0 °C

0.33 [-]

815.0 °C

0.35 [-]

Shear modulus

20.0 °C

77.22 GPa

95.0 °C

74.46 GPa

150.0 °C

73.08 GPa

205.0 °C

71.02 GPa

260.0 °C

68.26 GPa

315.0 °C

66.88 GPa

370.0 °C

64.81 GPa

425.0 °C

62.74 GPa

485.0 °C

60.67 GPa

540.0 °C

58.61 GPa

595.0 °C

56.54 GPa

650.0 °C

54.47 GPa

705.0 °C

53.09 GPa

760.0 °C

51.02 GPa

815.0 °C

48.95 GPa

Tensile strength

20.0 °C

510 - 710 MPa

Yield strength Rp0.2

20.0 °C

200 MPa

Yield strength Rp1.0

20.0 °C

235 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

20.0 °C

1.61E-5 1/K

100.0 °C

1.6E-5 - 1.67E-5 1/K

200.0 °C

1.65E-5 - 1.72E-5 1/K

300.0 °C

1.7E-5 - 1.77E-5 1/K

400.0 °C

1.75E-5 - 1.81E-5 1/K

500.0 °C

1.8E-5 - 1.84E-5 1/K

600.0 °C

1.88E-5 1/K

700.0 °C

1.91E-5 1/K

800.0 °C

1.94E-5 1/K

900.0 °C

1.97E-5 1/K

1000.0 °C

2E-5 1/K

Max service temperature, long

0 - 300 °C

Melting point

1230 - 1480 °C

Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

20.0 °C

472 - 500 J/(kg·K)

100.0 °C

487 J/(kg·K)

200.0 °C

503 J/(kg·K)

300.0 °C

512 J/(kg·K)

400.0 °C

520 J/(kg·K)

500.0 °C

530 J/(kg·K)

600.0 °C

541 J/(kg·K)

700.0 °C

551 J/(kg·K)

800.0 °C

559 J/(kg·K)

900.0 °C

565 J/(kg·K)

1000.0 °C

571 J/(kg·K)

Thermal conductivity

20.0 °C

14.3 - 15 W/(m·K)

100.0 °C

15.8 W/(m·K)

200.0 °C

17.5 W/(m·K)

300.0 °C

19 W/(m·K)

400.0 °C

20.5 W/(m·K)

500.0 °C

21.9 W/(m·K)

600.0 °C

23.3 W/(m·K)

700.0 °C

24.6 W/(m·K)

800.0 °C

26 W/(m·K)

900.0 °C

27.4 W/(m·K)

1000.0 °C

28.8 W/(m·K)

Thermal diffusivity

20.0 °C

3.8 mm²/s

100.0 °C

4 mm²/s

200.0 °C

4.2 mm²/s

300.0 °C

4.6 mm²/s

400.0 °C

4.8 mm²/s

500.0 °C

4.9 mm²/s

600.0 °C

5 mm²/s

700.0 °C

5.3 mm²/s

800.0 °C

5.6 mm²/s

900.0 °C

5.9 mm²/s

1000.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 Ω·m

100.0 °C

7.76E-7 Ω·m

200.0 °C

8.49E-7 Ω·m

300.0 °C

9.14E-7 Ω·m

400.0 °C

9.71E-7 Ω·m

500.0 °C

1.02E-6 Ω·m

600.0 °C

1.07E-6 Ω·m

700.0 °C

1.1E-6 Ω·m

800.0 °C

1.14E-6 Ω·m

900.0 °C

1.17E-6 Ω·m

1000.0 °C

1.19E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.08 %

Chromium

17 - 19 %

Manganese

2 %

Nickel

9 - 12 %

Phosphorus

0.05 %

Silicon

1 %

Sulfur

0.015 %

Titanium

0.7 %


Metal

  1. EN 10222-5 X2CrNiMo18-14-3 Solution‑Annealed Grade for Corrosion‑Resistant Applications
  2. EN 10222‑5 X5CrNi18‑10 Solution Annealed (+AT): High‑Performance Austenitic Stainless Steel
  3. EN 10222-5 X6CrNiMoTi17-12-2 (Solution Annealed) – High Corrosion‑Resistant Stainless Steel
  4. X2CrNiMo18-14-3 Solution Annealed – EN 10250-4 Grade, Superior Corrosion Resistance
  5. EN 10250-4 Grade X5CrNi18-10 Solution-Annealed Steel (+AT) – Premium Corrosion-Resistant Austenitic Alloy
  6. EN 10250-4 X6CrNiMoTi17-12-2 (Solution Annealed) – High-Performance Stainless Steel
  7. EN 10250‑4 X6CrNiTi18‑10: Ti‑Stabilized, Solution‑Annealed Stainless Steel for High‑Performance Welding
  8. EN 10217-7 X6CrNiTi18-10 Solution-Annealed Austenitic Steel – Corrosion-Resistant & High-Temperature Performance
  9. EN 10216-5 X6CrNiTi18-10 Solution-Annealed – Titanium‑Stabilized Stainless Steel with Superior Corrosion Resistance & Weldability
  10. EN 10028-7 X6CrNiTi18-10 Solution-Annealed Steel: High-Temp, Corrosion-Resistant, Pressure Vessel & Civil Engineering Grade