304L

304L is low carbon version of 304 alloy, the carbon content is max 0.035%, so 304L has good corrosion resistance than 304, and used in highly corrosive conditions.

TP304L 1.4307 1.4306 Chemical composition

C Mn P S Si Ni Cr N
TP304L 0.035 2.00 0.045 0.030 1.0 8-13 18-20
1.4306 0.030 0.80 0.040 0.015 1.0 10-12 18-19 0.11
1.4307 0.030 0.80 0.040 0.015 1.0 8-10 17.5-19.5 0.11

TP304L 1.4307 Mechanical properties

Tensile strength(Mpa) Max Yield point(Mpa) Max Elongation(%) Hardness Min
TP304L 485 170 35 90
1.4307 480-680 180 40 90

304L Physical Properties

  • Density: 7.99 g/cm³
  • Melting Point: 1398~1454°C
  • Coefficient of Expansion: 17.2 mm/m/°C
  • Thermal Conductivity: (100℃)16.3,(500℃)21.5 W·m-1·K-1
  • Electrical Resistivity: 720 nΩ.m

304L Equivalent Grades

  • UNS S 30403
  • EN X2CrNi18-9
  • DIN 1.4307
  • JIS SUS304L
  • China GB 022Cr19Ni10

304L stainless steel features

  • Low carbon content
  • Excellent corrosion resistance
  • used in highly corrosive environments
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