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KST-318

KST-318 is similar to KST-316, but contains columbium to provide resistance to intergranular carbide precipitation

KSD 7014 : E318-16
AWSA5.4 : E318-16
JISZ 3221 : ES318-16

Category:
KST-317L
KST-347B

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.0~5.0 KS D 7014
AWS A5.4
JIS Z 3221		 E318-16
E318-16
ES318-16		 F, HF, H, VU, OH – AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.05 0.76 1.32 0.022 0.008 18.43 11.90 2.35 Nb : 0.69
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
500 630 38 – – –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.0mm 40 60
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 60 90
F, HF 4.0mm 120 150
VU, OH 4.0mm 90 130
F, HF 5.0mm 140 180

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