K-71TSRM

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

KS                   D 7104 : YFL-A504R
AWS               A5.20 : E71T-12MJ H8
AWS               A5.36 : E71T12-M21A/P4-CS2-H8
EN                  ISO 17632-A : T42 4 P M21 1 H10
EN                  ISO 17632-B : T49 4 T1-1 M21 AP-N1-U H10
JIS                  Z 3313 : T49 4 T1-1 M AP-N1-U H10

Category:
K-71TSR
K-71TP

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-12MJ H8
E71T12-M21A/P4-CS2-H8
YFL-A504R
T49 4 T1-1 M AP-N1-U H10
T42 4 P M21 1 H10
T49 4 T1-1 M21 AP-N1-U H10		 F, HF, H, VU, VD, OH CO2 DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.03 0.50 1.50 0.008 0.010 – 0.42 – –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
580 610 27 – 85 (-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 23 28
VU 1.2mm 180 240 23 27
OH 1.2mm 150 230 21 25
F, HF 1..4mm 220 340 23 30
VU 1..4mm 200 260 24 27
OH 1..4mm 160 230 22 25
F, HF 1.6mm 240 380 23 32
VU 1.6mm 220 260 24 27
OH 1.6mm 170 240 21 27

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