Single or multi-layer welding of various kinds structure such as 1.25%-0.5%Mo and 2.25%Cr-1%Mo heat resistant steels usedfor steam pipes of boiler, equipment for oil refining industries
KSB ISO 24598-A : S CrMo1 AB
KSB ISO 24598-B : S 55 2 AB SU 1CM
AWSA5.23 : F8PZ-EB2-B2
ENISO 24598-A : S CrMo1 AB
ENISO 24598-B : S 55 2 AB SU 1CM
JISZ 3183 : S572-1CM


Sizes (mm) Standard Welding Position Shielding gas Polarity
2.4~4.8 AWS A5.23
EN ISO 24598-A
EN ISO 24598-B
JIS Z 3183
KS B ISO 24598-A
KS B ISO 24598-B
S CrMo1 AB
S 55 2 AB SU 1CM
S CrMo1 AB
S 55 2 AB SU 1CM
F DC(+)
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.25 0.90 1.10 0.50
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
550 600 27 690℃x1Hr