EF-200HC×KD-B9
Welding of 9%Cr-1%Mo-Nb-V(T91/P91) steel used in oil refining industries, high pressure vessels., etc. For joining and surfacing applications of creep resistant CrMo steels such as T91/P92. It has easy slag removal and good weld soundness.
AWSA5.23 : F10PZ-EB91-B91
ENISO 24598-A : S CrMo91 FB
ENISO 24598-B : S 69 Z FB SU 9CC1MV

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.4~4.8 AWS A5.23
EN ISO 24598-A
EN ISO 24598-B
F10PZ-EB91-B91
S CrMo91 FB
S 69 Z FB SU 9CC1MV
F – DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.10 0.20 0.80 – – 8.10 – 0.90 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
700 800 20 – 50 (20℃) 760℃x2Hr
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
– 2.4mm 250 500 28 32
– 3.2mm 300 650 28 32
– 4.0mm 400 1200 30 34
– 4.8mm 500 1400 32 36