D&H 2594(NS) - E2594-16
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Stainless Steel Electrodes

D&H 2594(NS)

AWS: SFA 5.4 E2594-16 EN ISO CODE: 3581-A E Z R 3 2

D&H 2594(NS) is a non-synthetic electrode depositing super duplex stainless steel weld metal. The weld metal exhibits high strength, high impact energy, and resistance to stress corrosion cracking, pitting, and crevice corrosion. The weld metal possesses excellent corrosion resistance in marine & paper environments. Examples of application areas are: Oil and gas industry, Off shore plat forms, Petrochemical plants, Mechanical and structural components. It is suitable for welding

  • ASTM A890/A995 Gr. 5A, CE3Mn, UNS J93404 
  • Super Duplex 2507, UNS S32750, EN 1.4410, NF Z3 CND 25-06AZ, SS2328
Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 250-300°C for one hour.

2. The heat input should be in the range of 0.5-1.5 KJ/mm.

3. Please ensure inter pass temperature is less than 150°C and better less than 102°C.

4. For better results solution annealing at 1080-1120°C is required.

Approvals
    CE
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL:


Element
CMnSiPSCrNiMoCuN
Percent
0.0261.450.420.0230.00925.09.04.00.200.22


TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL:


UTSElongation
CVN Impact (J)
(MPa)
(L= 5d)%
at 20°C
79023.060

PITTING RESISTANCE NUMBER: Meets the requirement of PREN  ≥ 40.

CORROSION PROPERTY: Weld metal meets ASTM A 262 Practice C and ASTM G-48A.

FERRITE (FN): 30-60

CURRENT AND PACKING DATA: AC / DC(+)


Size (mm)

Dia x Length

5x3504x350
3.15x350
2.5x350
Current Range (Amps)
150-180110-140
80-100
60-80
Weight / Carton (kgs)
2.52.5
2.5
2.5


Stainless Steel Electrodes
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