| Advertisement No: | #00250540 |
| Category: | Welding Electrode |
| Brand: | Kobatek |
| Model Type: | KOB352 |
| Product Type: | For Sale |
| Product Status: | New |
| Origin: | Turkey |
| Location: | Çamçeşme Mah. / Pendik / İstanbul |
| Warranty Status: | 2 Yıl Guaranteed |
| Sales Detail: | Bank Transfer, Negotiated |
| Delivery Status: | In stock |
4.00mm*350 5 Kg Welding Electrode for Steel This welding electrode with a basic coated structure is used especially for welding Cr-Ni alloyed steel cast parts with a martensitic and martensitic-ferritic structure. It provides high corrosion and wear resistance against abrasive environments caused by water, steam, and seawater. For welding thick section parts, a preheating treatment should be applied to the base metal in the temperature range of 150-300°C and this temperature should be maintained throughout the welding process. For welding martensitic stainless steels containing more than 0.2% carbon, softening and stress relief annealing between 550-600°C is recommended. The electrode forms smooth and crack-resistant weld seams; slag is removed easily. Mechanical Properties: Tensile Strength: 90-110 kg/mm² Yield Strength: 70-80 kg/mm² Elongation: 10-15% Hardness: 38-40 HRC Impact Strength: 24 J (+20°C) Applications: Water turbines and compressors Pelton, Francis, and Kaplan turbine rotors Pumps Gas, steam, and water valves (service temperature up to 450°C) Corrosive environments exposed to seawater Steels containing 12-15% Cr, 4% Ni: X4 CrNi13 4 (1.4313), G-X5 CrNi13 4 (1.4407), G-X4 CrNiMo13 4 (1.4413), G-X5 CrNiMo13 4 (1.4414)
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