Welding of 22%Cr-12%Ni austenitic STS(304H, 307H)

AWS         A5.22 : E309HT1-1
EN            ISO 17633-B : TS 309H-F C1/M21 1


Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~1.6 AWS A5.22
EN ISO 17633-B
TS 309H-F C1/M21 1
F, HF, H, VU, VD, OH CO2 DC(+)
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.74 1.43 23.45 10.50 FN 7.5~8
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
430 600 39 60 (-40℃)