AISI 304
STAINLESS STEEL

DESIGNATION

EN

  • 14.301

  • X5CrNi18-10

ASTM

  • Tp 304

  • S30400

CHEMICAL COMPOSITION

  • C - ≤ 0,07

  • Si - ≤ 0,75

  • Mn - ≤ 2,00

  • P - ≤ 0,040

  • S - ≤ 0,015

  • Cr - 17,50 to 19,50

  • Ni - 8,00 to 10,00

  • N - ≤ 0,10

MECHANICAL FEATURE IN THE ANNEALED

  • Rp0.2 - > 230 N / mm²

  • Rm - 540 - 750 N / mm²

  • Elongation - > 45 %

  • Hardness - < 200 HV

PHYSICAL PROPERTIES (TO 20 °C / 7,9 kg / dm² / 500 J / kg.K)

20 °C

  • GPa - 200

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y -

  • W / m.K - 15

  • Ω mm² / m - 0,73

100 °C

  • GPa - 194

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y - 16

  • W / m.K - 17

  • Ω mm² / m - 0,8

200 °C

  • GPa - 186

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y - 16,5

  • W / m.K - 18

  • Ω mm² / m - 1

300 °C

  • GPa - 179

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y - 17

  • W / m.K - 19

  • Ω mm² / m - 1,15

400 °C

  • GPa - 172

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y - 17,5

  • W / m.K - 20,5

  • Ω mm² / m - 1,22

500 °C

  • GPa - 165

  • Thermal expansion coefficient average between 20 °C (10-6 . K-1) y - 18

  • W / m.K - 22

  • Ω mm² / m - 1,25

RESISTANCE TO CORROSION

Corrosion rate less than 0.10 mm / year in:

  • C2H4O2 to 20 % / 80 °C

  • CH2O2 to 90 % / 20 °C

  • H3PO4 to 20 % / 60 °C

  • HNO3 to 20 % / 50 °C

  • H2SO4 to 90 % / 20 °C

  • C6H5CH3

  • Milk

  • Beer

  • Juice

  • Wine