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KST-309-15

Welding of 22%Cr-12%Ni steel. Welding dissimilar steel such as joining Type 304 to carbon steel, welding the clad side of Type 304 clad steel

KS            D 7014 : E309-15
AWS        A5.4 : E309-15
JIS           Z 3221 : ES309-15

Category:
KST-308Mo
KST-309

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.0~5.0 KS D 7014
AWS A5.4
JIS Z 3221		 E309-15
E309-15
ES309-15		 F, HF, H, VU, OH – DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.36 1.83 0.029 0.011 24.52 13.31 0.21 –
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
450 590 40 – – –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.0mm 40 50
VU, OH 2.0mm 35 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

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