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KST-2594

Welding of 25%Cr-9%Ni-4%Mo duplex stainless steels, the principal applications are chemical plant and shipbuilding as well as nuclear plant industries(UNS S32750)

AWS        A5.4 : E2594-16
EN           ISO 3581-A : E 25 9 4 N L R 12
EN           ISO 3581-B : ES2594-16

Category:
KST-2209
KL-100

Description

Sizes (mm) Standard Welding Position Shielding gas Polarity
2.0~5.0 AWS A5.4
EN ISO 3581-A
EN ISO 3581-B		 E2594-16
E 25 9 4 N L R 12
ES2594-16		 F, HF, H, VU, OH – AC/DC(+)
 
Typical chemical composition all-weld metal (%)
C Si Mn P S Cr Ni Mo Remark
0.03 0.54 0.75 0.025 0.011 25.11 9.59 3.90 N : 0.25
 
Typical mechanical properties of all-weld metal
Y.S (MPa) T.S (MPa) EI. (%) Hardness (HV) IV (J) PWHT
810 930 28 – – –
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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