K-71TW

Welding of welding of 490MPa weather-proof steels

KS               D 7109 : YFA-50W
AWS           A 5.29 : E81T1-W2C
AWS           A 5.36 : E71T1-C1A2-W2-H8
EN              ISO 17634-A : T42 3 P C 1 H10
EN              ISO 17634-B : T49 3 T1-1CA-NCC1 H10
JIS              Z 3320 : YFA-50W

Category:
K-91TB9
K-81TW

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~1.6 AWS A 5.29
AWS A 5.36
JIS Z 3320
KS D 7109
EN ISO 17634-A
EN ISO 17634-B		 E81T1-W2C
E71T1-C1A2-W2-H8
YFA-50W
YFA-50W
T42 3 P C 1 H10
T49 3 T1-1CA-NCC1 H10		 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 0.54 1.10 – – 0.55 0.45 – Cu : 0.42
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
510 592 21 – 40 (-30℃) –
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 30
VU 1.2mm 160 200 18 22
OH 1.2mm 150 180 16 18

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