KK-70

Welding of 690MPa class high tensile steel of pressure vessels, bridges, penstocks

KS        D 7006 : E7016
AWS    A5.5 : E10016-G
EN       757 : E55 3 Z B 12 H10
JIS       Z 3211 : E6916-G

Category: Tag:
KK-60
KK-80

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.6~6.0 KS D 7006
AWS A5.5
EN 757
JIS Z 3211		 E7016
E10016-G
E55 3 Z B 12 H10
E6916-G		 F, HF, H, VU, OH – AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.07 0.49 1.05 0.015 0.011 0.05 1.87 0.37 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
640 730 26 – 90 (-30℃) –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.6mm 60 90
VU, OH 2.6mm 50 80
F, HF 3.2mm 90 130
VU, OH 3.2mm 80 110
F, HF 4.0mm 140 190
VU, OH 4.0mm 120 170
F, HF 5.0mm 180 230
VU, OH 5.0mm 160 200
F, HF 6.0mm 250 300

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