K-70TB is designed for only Ar/CO2 mixtures. Wire is a fully basic type of flux cored wire for flat and horizontal position welding.

KS          D7104 : YFW-A502B
AWS      A5.20 : E70T-5M
AWS      A5.36 : E70T5-M21A2-CS1-H4
EN         ISO 17632-A : T46 2 B M21 3 H5
EN         ISO 17632-B : T49 3 T5-0 M21 A H5
JIS         Z3313 : T49 2 T5-0 M A-U H5


Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~2.4 AWS A5.20
AWS A5.36
JIS Z3313
KS D7104
EN ISO 17632-A
EN ISO 17632-B
T49 2 T5-0 M A-U H5
T46 2 B M21 3 H5
T49 3 T5-0 M21 A H5
F, HF Ar+20%CO2 DC(+)
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.04 0.34 1.30 0.015 0.011
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
490 550 28 60 (-30℃)
Product Dimensions and Weld Current Range
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 1.2mm 180 300 21 33
F, HF 1.6mm 240 380 24 34