K-91TK2

For 620MPa tensile at LNG storage tank, shipbuilding, bridges, good impact toughness at -60℃(Ni 1.5% contained)

KS                    D 7104 : YFL-C504R
AWS                A5.29 : E91T1-K2C H4
AWS                A5.36 : E91T1-C1A4-K2-H4
EN                   ISO 18276-A : T55 4 Mn1.5Ni P C1 1 H5
EN                   ISO 18276-B : T 62 4 T1-1 C1 A-N3M1-U H5
JIS                   Z 3313 : T62 4 T1-1 C A-N3-U H5

Category:
K-81TK2 Plus
K-91TSR

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
1.2~1.6 AWS A5.29
AWS A5.36
KS D 7104
JIS Z 3313
EN ISO 18276-A
EN ISO 18276-B		 E91T1-K2C H4
E91T1-C1A4-K2-H4
YFL-C504R
T62 4 T1-1 C A-N3-U H5
T55 4 Mn1.5Ni P C1 1 H5
T62 4 T1-1 C1 A-N3M1-U H5		 F, HF, H, VU, VD, OH CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.03 0.45 1.27 0.012 0.009 – 1.45 – –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
550 640 25 – 90 (-40℃) –
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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