EN 10028-7 Grade X6CrNiNb18-10 solution annealed (+AT)

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Description

The austenitic steel X6CrNiNb18-10 is comparable to 1.4541 regarding the corrosion behaviour. The steel is resistant to intercrystalline corrosion even in sensitized condition. It shows a tendency to hot shortness for certain welding conditions. Permitted for pressure vessel construction up to 300 °C, up to 550 °C subject to certificate. Unsuited for mirror-polishing due to the Nb-content. Application: in high amount in chemical apparatus engineering, in foodstuff industry, in film and foto industry as well as for household objects

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.9 - 7.93 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

196 - 200 GPa

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95.0 °C

194.43 GPa

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100.0 °C

190 - 194 GPa

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150.0 °C

189.61 GPa

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200.0 °C

182 - 186 GPa

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205.0 °C

184.78 GPa

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260.0 °C

179.95 GPa

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300.0 °C

174 - 179 GPa

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315.0 °C

175.13 GPa

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370.0 °C

170.99 GPa

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400.0 °C

166 - 172 GPa

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425.0 °C

166.16 GPa

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485.0 °C

161.34 GPa

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500.0 °C

158 - 165 GPa

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540.0 °C

157.2 GPa

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595.0 °C

151.69 GPa

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600.0 °C

150 GPa

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650.0 °C

147.54 GPa

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700.0 °C

142 GPa

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705.0 °C

142.72 GPa

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760.0 °C

137.9 GPa

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800.0 °C

134 GPa

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815.0 °C

133.76 GPa

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870.0 °C

128.93 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation A80, transverse

20.0 °C

40 %

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Elongation, transverse

20.0 °C

40 %

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Poisson's ratio

20.0 °C

0.27 [-]

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95.0 °C

0.28 [-]

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150.0 °C

0.29 [-]

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205.0 °C

0.29 [-]

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260.0 °C

0.29 [-]

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315.0 °C

0.3 [-]

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370.0 °C

0.31 [-]

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425.0 °C

0.31 [-]

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485.0 °C

0.32 [-]

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540.0 °C

0.33 [-]

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595.0 °C

0.33 [-]

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650.0 °C

0.32 [-]

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705.0 °C

0.33 [-]

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760.0 °C

0.35 [-]

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815.0 °C

0.35 [-]

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870.0 °C

0.36 [-]

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Shear modulus

20.0 °C

78.6 GPa

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95.0 °C

75.84 GPa

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150.0 °C

73.77 GPa

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205.0 °C

71.71 GPa

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260.0 °C

69.64 GPa

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315.0 °C

67.57 GPa

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370.0 °C

65.5 GPa

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425.0 °C

63.43 GPa

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485.0 °C

61.36 GPa

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540.0 °C

59.3 GPa

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595.0 °C

57.23 GPa

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650.0 °C

55.85 GPa

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705.0 °C

53.78 GPa

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760.0 °C

51.11 GPa

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815.0 °C

49.64 GPa

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870.0 °C

47.57 GPa

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Tensile strength

20.0 °C

500 - 720 MPa

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50.0 °C

476 MPa

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100.0 °C

435 MPa

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150.0 °C

400 MPa

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200.0 °C

370 MPa

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250.0 °C

350 MPa

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300.0 °C

340 MPa

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350.0 °C

335 MPa

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400.0 °C

330 MPa

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450.0 °C

320 MPa

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500.0 °C

310 MPa

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550.0 °C

300 MPa

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Tensile strength, transverse

20.0 °C

500 - 720 MPa

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Yield strength Rp0.2

50.0 °C

191 MPa

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100.0 °C

177 MPa

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150.0 °C

167 MPa

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200.0 °C

157 MPa

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250.0 °C

147 MPa

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300.0 °C

136 MPa

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350.0 °C

130 MPa

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400.0 °C

125 MPa

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450.0 °C

121 MPa

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500.0 °C

119 MPa

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550.0 °C

118 MPa

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Yield strength Rp0.2, transverse

20.0 °C

200 MPa

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Yield strength Rp1.0

50.0 °C

229 MPa

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100.0 °C

211 MPa

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150.0 °C

196 MPa

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200.0 °C

186 MPa

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250.0 °C

177 MPa

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300.0 °C

167 MPa

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350.0 °C

161 MPa

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400.0 °C

156 MPa

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450.0 °C

152 MPa

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500.0 °C

149 MPa

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550.0 °C

147 MPa

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Yield strength Rp1.0, transverse

20.0 °C

240 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

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

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200.0 °C

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

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300.0 °C

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

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400.0 °C

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

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425.0 °C

1.76E-5 1/K

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485.0 °C

1.78E-5 1/K

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500.0 °C

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

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540.0 °C

1.8E-5 1/K

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595.0 °C

1.83E-5 1/K

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600.0 °C

1.88E-5 1/K

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650.0 °C

1.85E-5 1/K

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700.0 °C

1.91E-5 1/K

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705.0 °C

1.87E-5 1/K

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800.0 °C

1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

2E-5 1/K

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Max service temperature, long

0 - 550 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

472 - 500 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

14.3 - 15 W/(m·K)

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100.0 °C

15.8 W/(m·K)

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200.0 °C

17.5 W/(m·K)

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300.0 °C

19 W/(m·K)

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400.0 °C

20.5 W/(m·K)

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500.0 °C

21.9 W/(m·K)

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600.0 °C

23.3 W/(m·K)

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700.0 °C

24.6 W/(m·K)

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800.0 °C

26 W/(m·K)

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900.0 °C

27.4 W/(m·K)

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1000.0 °C

28.8 W/(m·K)

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Thermal diffusivity

20.0 °C

3.8 mm²/s

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100.0 °C

4 mm²/s

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200.0 °C

4.2 mm²/s

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300.0 °C

4.6 mm²/s

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400.0 °C

4.8 mm²/s

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500.0 °C

4.9 mm²/s

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600.0 °C

5 mm²/s

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700.0 °C

5.3 mm²/s

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800.0 °C

5.6 mm²/s

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900.0 °C

5.9 mm²/s

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1000.0 °C

6 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.1E-7 - 7.3E-7 Ω·m

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100.0 °C

7.76E-7 Ω·m

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200.0 °C

8.49E-7 Ω·m

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300.0 °C

9.14E-7 Ω·m

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400.0 °C

9.71E-7 Ω·m

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500.0 °C

1.02E-6 Ω·m

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600.0 °C

1.07E-6 Ω·m

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700.0 °C

1.1E-6 Ω·m

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800.0 °C

1.14E-6 Ω·m

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900.0 °C

1.17E-6 Ω·m

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1000.0 °C

1.19E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.08 %

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Chromium

17 - 19 %

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Manganese

2 %

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Nickel

9 - 12 %

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Niobium

1 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.015 %

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