header-top-right-b

304H

304H

304H is a modification of 304 austenitic stainless steel with increased carbon content to allow for greater strength at higher temperatures. Products are supplied to meet ASTM, ASME, NACE, UNS and EN standards where appropriate. UNS S30409.

Mechanical Properties* (in annealed condition) 

PropertiesUnit of Measure304H
Tensile Strengthksi70 min
0.2% Yield Strengthksi30 min
Elongation%40 min
HardnessHV92 max

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

Composition

Element 304H
CrChromium18.0-20.0
NiNickel8.0-10.5
MnManganese2.000 max
SiSilicon0.750 max
PPhosphorus0.045 max
CCarbon0.040-0.100
SSulfur0.030 max
NNitrogen0.100 max