K-71TSR

For 490MPa low temperature steel(NACE, API steel),Good impact toughness both AS-weld and PWHT conditions

KS               D 7104 : YFL-C504R
AWS           A5.20 : E71T-12CJ H4
AWS           A5.36 : E71T12-C1A/P4-CS2-H4
EN              ISO 17632-A : T42 4 P C1 1 H5
EN              ISO 17632-B : T49 4 T1-1C1 AP-N1-U H5
JIS              Z 3313 : T49 4 T1-1 C AP-N1-U H5

Category:
K-71UTM
K-71TSRM

Description

Sizes (mm) Standard Welding Position 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-12CJ H4
E71T12-C1A/P4-CS2-H4
YFL-C504R
T49 4 T1-1 C AP-N1-U H5
T42 4 P C1 1 H5
T49 4 T1-1 C1 AP-N1-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
0.02 0.45 1.41 0.010 0.009 – 0.41 – –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
578 612 25 – 119 (-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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