K-91TB3LS

For 620MPa 2.25%Cr-1% Mo steels used for high pressure vessels, oil refining industries, steam pipes of boilers etc

AWS        A 5.29 : E91T1-G
AWS        A 5.36 : E91T1-C1PZ-G

Category:
K-91TB3SM
K-91TB9

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~1.6 AWS A 5.29
AWS A 5.36		 E91T1-G
E91T1-C1PZ-G		 F, HF, H, VU, VD, OH CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.03 0.46 1.03 0.140 0.014 2.22 – 0.97 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
630 680 24 – – 760℃ X 2Hr
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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