K-91TB3

For 650Mpa Grade 2.25%Cr-1.0%Mo Heat resisting steel, Arc is stable with 100%CO2 gas. Spatter is very low. Slag removal is excellent. Bead appearance is good.

KS D 7121 : YF-2CM-C
AWS A 5.29 : E91T1-B3C
AWS A 5.36 : E91T1-C1PZ-B3LC
EN ISO 17634-A : T(CrMo 2L)PC1
EN ISO 17634-B : T62 T1-1C-2C1M
JIS Z 3318 : T62 T1-1C2C1M

Key Features
 
Sizes (mm)StandardWelding Position
View(+)
Shielding gasPolarity
1.2~1.6 AWS A 5.29
AWS A 5.36
JIS Z 3318
KS D 7121
EN ISO 17634-A
EN ISO 17634-B
E91T1-B3C
E91T1-C1PZ-B3LC
T62 T1-1C2C1M
YF-2CM-C
T(CrMo 2L)PC1
T62 T1-1C-2C1M
F, HF, H, VU, VD, OH CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
CSiMnPSCrNiMoRemark
0.05 0.51 1.18 0.008 0.011 2.25 - 1.03 -
 
Typical mechanical properties of all-weld metal
Y.S (MPa)T.S (MPa)EI. (%)Hardness (HV)IV (J)PWHT
630 680 24 -   690℃ X 1Hr
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm)Ampere (A)Volt (V)
Min.Max.Min.Max.
F, HF 1.2mm 220 280 25 30
VU 1.2mm 200 240 25 28
OH 1.2mm 160 220 23 28
F, HF 1..4mm 240 320 26 33
VU 1..4mm 220 260 26 30
OH 1..4mm 180 240 24 29
F, HF 1.6mm 260 380 27 34
VU 1.6mm 240 300 27 32
OH 1.6mm 200 260 25 30