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KST-2209

Welding of 22%Cr-9%Ni-3%Mo duplex stainless steels, the principal applicationsare chemical plant and shipbuilding as well as nuclear plant industries(UNS S31803)

KS            D 7014 : E2209-16
AWS        A5.4 : E2209-16
EN           ISO 3581-A : E 22 9 3 N L R 12
EN           ISO 3581-B : ES2209-16
JIS           Z 3221 : ES2209-16

Category:
KST-430
KST-2594

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		 E2209-16
E2209-16
E 22 9 3 N L R 12
ES2209-16
ES2209-16		 F, HF, H, VU, OH – AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.02 0.62 0.80 0.025 0.011 22.63 8.73 3.19 N : 0.18
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
550 780 24 – – –
Product Dimensions and Weld Current Range
 
Welding
Position		 Sizes (mm) Ampere (A) Volt (V)
Min. Max. Min. Max.
F, HF 2.6mm 50 80
VU, OH 2.6mm 40 60
F, HF 3.2mm 80 110
VU, OH 3.2mm 70 100
F, HF 4.0mm 110 150
VU, OH 4.0mm 90 130
F, HF 5.0mm 140 180

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