KST-309Nb

Welding of Type 321 clad steel dr dissimilar steel. Corrosion resistant lining of carbon steel or low alloy steel

KS           D 7014 : E309Nb-16
AWS       A5.4 : E309Nb-17
EN          ISO 3581-A : E 23 12 Nb R 12
EN          ISO 3581-B : ES309Nb-17
JIS          Z 3221 : ES309Nb-17

Category:

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.0~5.0 KS D 7014
AWS A5.4
EN ISO 3581-A
EN ISO 3581-B
JIS Z 3221
E309Nb-16
E309Nb-17
E 23 12 Nb R 12
ES309Nb-17
ES309Nb-17
F, HF, H, VU, OH AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.03 0.81 0.93 0.029 0.011 23.06 12.60 0.10 Nb : 0.81
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
480 620 37
Product Dimensions and Weld Current Range
 
Welding
Position
Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.0mm 30 50
VU, OH 2.0mm 25 45
F, HF 2.6mm 50 80
VU, OH 2.6mm 45 60
F, HF 3.2mm 80 110
VU, OH 3.2mm 70 90
F, HF 4.0mm 110 150
VU, OH 4.0mm 90 130
F, HF 5.0mm 140 180