304 / 304L

304 / 304L

304/304L is a cost-efficient austenitic stainless steel which can be used in a wide range of applications.  Products are supplied to meet ASTM, ASME, NACE, UNS and EN standards where appropriate. UNS S30400, UNS S30403.

Mechanical Properties* (in annealed condition) 

PropertiesUnit of Measure304304L
Tensile Strengthksi75 min70 min
0.2% Yield Strengthksi30 min25 min
Elongation%40 min40 min
HardnessHV92 max92 max

*Nominal Room Temperature Mechanical Properties.  Typical Data.  Not suitable for design or specifications.


Element 304304L
MnManganese2.000 max2.000 max
SiSilicon0.750 max0.750 max
PPhosphorus0.045 max0.045 max
CCarbon0.080 max0.030 max
SSulfur0.030 max0.030 max
NNitrogen0.100 max0.100 max