K-81TW

Welding of welding of 490MPa weather-proof steels

KS              D 7109 : YFA-58W
AWS          A 5.29 : E81T1-W2C
AWS          A 5.36 : E81T1-C1A2-W2-H8
EN             ISO 17634-A : T50 3 P C 1 H10
EN             ISO 17634-B : T55 3 T1-1CA-NCC1 H10
JIS             Z 3320 : YFA-58W

Category:
K-71TW
K-308T

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
E81T1-C1A2-W2-H8
YFA-58W
YFA-58W
T50 3 P C 1 H10
T55 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 1.20 – – 0.55 0.55 – Cu : 0.45
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
550 630 28 – 60 (-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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