… Welding procedure (including preheat temperature, interpass temperature and PWHT) will be dependent …

… ER409 alloy. Single pass welds on light gage base metal or welds with preheat do not usually require PWHT. … 1.4000, 1.4002, 1.4016, 1.4057, …

… Can be welded crack free by preheating approxiamately 450°C and keep that also as interpass … for example in an oven. … 56-59 HRc hardfacing alloy, Mixing peddles, Press screws, Kneading machine, screw conveyors, pumps etc. … OA 54 L … …

… and corrosion resistance even in seawater. Welding instructions: - Preheating for sections >6 mm from 150 till 300 ºC is recommended. Use …

… risk of braking out or chipping of. In case of sensitive base material preheating is recommended at 300 - 400 °C. Old Hardfacing layers should …

… properties. This alloy should be applied at highest impact and pressure loads applications. Best to be used with welding flux FL 915 … …

… alloys and covers a huge range of alloys. Thicker sections should be preheated (150°C) prior to welding. … Aluminium alloys: AlMg4,5Mn, …

… as permanent stress by heat influence, metal wear and high surface pressure  … 1.4317, 1.4313, 1.4407, 1.4414,    GX4CrNi13-4, …

… in case off multi-layer welding. The weld metal will show no undercut !Preheating is normally done to slow down the cooling speed, in case you …

… cleaned prior to welding. Heavy parts and thicker plates should be preheated (150°C), prior to welding. … Al99,0 Al.99,5 Al.99,7 E-Al., …