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K-71UT
K-71UT (KISWEL)
For 490MPa high tensile steel and railcar, automotive, heavy equipment and general structual steel fabrications.
KS

D 7104 : YFL-C504R

AWS

A5.20 : E71T-9CJ H4

AWS

A5.36 : E71T12-C1A4-CS1-H4

EN

ISO 17632-A : T42 4 P C1 1 H5

EN

ISO 17632-B : T49 4 T1-1 C1A-U H5

JIS

Z 3313 : T49 4 T1-1 C A-U H5

CatalogMSDS
Key Features
Key Features
Sizes (mm) Standard Welding Position
View(+)		 Shielding gas Polarity
1.2~1.6 AWS A5.20
AWS A5.36
KS D 7104
JIS Z 3313
EN ISO 17632-A
EN ISO 17632-B		 E71T-9CJ H4
E71T12-C1A4-CS1-H4
YFL-C504R
T49 4 T1-1 C A-U H5
T42 4 P C1 1 H5
T49 4 T1-1 C1 A-U H5		 F, HF, H, VU, VD, OH CO2 DC(+)
Key Features
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.04 0.3 1.35 0.014 0.01 - 0.39 - -
Key Features
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
540 600 27 - 55 (-40℃) -
Product Dimensions and Weld Current Range
Product Dimensions and Weld Current Range
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 1.2mm 200 280 24 29
VU 1.2mm 180 240 24 28
OH 1.2mm 150 230 22 26
F, HF 1..4mm 220 340 24 31
VU 1..4mm 200 260 25 28
OH 1..4mm 160 230 23 26
F, HF 1.6mm 240 380 24 33
VU 1.6mm 220 260 25 28
OH 1.6mm 170 240 22 28

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