K-81TB2S

For 600Mpa Grade 1.25%Cr-0.5%Mo Heat resisting steel, Slag removal is excellent. Bead appearance is good. CVN value is more than 27J at -0℃ after PWHT(620℃*8hr).

KS             D 7121 : YF-1CM-C
AWS         A 5.29 : E81T1-B2C
AWS         A 5.36 : E81T1-C1PZ-B2
EN            ISO 17634-A : T (CrMo 1) P C 1
EN            ISO 17634-B : T55 T1-1C-1CM
JIS            Z 3318 : T55 T1-1C-1CM

Category:
K-81TB2
K-81TB2SM

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-B2C
E81T1-C1PZ-B2
T55 T1-1C-1CM
YF-1CM-C
T (CrMo 1) P C 1
T55 T1-1C-1CM		 F, HF, H, VU, VD, OH CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.23 0.89 0.014 0.013 1.19 – 0.50 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
568 643 25 – – 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

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