K-81TB2SM

For 600Mpa Grade 1.25%Cr-0.5%Mo Heat resisting steel. 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-1CM-G
AWS            A 5.29 : E81T1-B2M
AWS            A 5.36 : E81T1-M21P0-B2
EN               ISO 17634-A : T (CrMo 1) P M 1
EN               ISO 17634-B : T55 T1-1M-1CM
JIS               Z 3318 : T55 T1-1M-1CM

Category:
K-81TB2S
K-81TB6

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		 E81T1-B2M
E81T1-M21P0-B2
T55 T1-1M-1CM
YF-1CM-G
T (CrMo 1) P M 1
T55 T1-1M-1CM		 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
0.05 0.25 0.99 0.014 0.014 1.34 – 0.52 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
556 628 27 – 36 (-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 24 29
VU 1.2mm 200 240 24 27
OH 1.2mm 160 220 22 27
F, HF 1..4mm 240 320 25 32
VU 1..4mm 220 260 25 29
OH 1..4mm 180 240 23 28
F, HF 1.6mm 260 380 26 33
VU 1.6mm 240 300 26 31
OH 1.6mm 200 260 24 29

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