K-71TB

Excellent CVN impact properties at sub-zero temperatures.

KS           D7104 : YFW-C(A)502B
AWS       A5.20 : E71T-5C/5M
AWS       A5.36 : E71T5-C1/M21A2-CS1-H8
EN          ISO 17632-A : T42 2 B C1 1 H5
EN          ISO 17632-A : T46 2 B M21 1 H5
EN          ISO 17632-B : T49 3 T5-1 C1/M21 A H5
JIS          Z3313 : T49 3 T5-1 C/M A-U H5

Description

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

E71T-5C/5M
E71T5-C1/M21A2-CS1-H8
T49 3 T5-1 C/M A-U H5
YFW-C(A)502B
T42 2 B C1 1 H5
T46 2 B M21 1 H5
T49 3 T5-1 C1/M21 A H5
F, HF, H, VU, VD, OH CO2 / Ar+20%CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.02 0.60 1.60 0.015 0.011
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
550 610 30 55 (-30℃)
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 1.2mm 180 300 21 33
VU 1.2mm 160 240 20 28
F, HF 1.6mm 240 380 24 34
VU 1.6mm 220 260 24 32