K-91TB3SM

For 650Mpa Grade 1.25%Cr-0.5%Mo Heat resisting steel, Arc is stable with 20%CO2+75%Ar gas. Spatter is very low. Slag removal is excellent. Bead appearance is good. CVN value is more than 27J at -20℃ after PWHT.

KS                D 7121 : YF-2CM-G
AWS            A 5.29 : E91T1-B3M
AWS            A 5.36 : E91T1-M21P0-B3M
EN               ISO 17634-A : T (CrMo 2) P M 1
EN               ISO 17634-B : T62 T1-1M-2C1M
JIS               Z 3318 : T62 T1-1M-2C1M

Category:
K-91TB3
K-91TB3LS

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
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-B3M
E91T1-M21P0-B3M
T62 T1-1M-2C1M
YF-2CM-G
T (CrMo 2) P M 1
T62 T1-1M-2C1M		 F, HF, H, VU, VD, OH Ar+
20%CO2		 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.06 0.33 1.06 0.015 0.013 2.19 – 1.04 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
658 726 21 – 80 (-20℃) 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

Related products