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Copying Rolling Welding - pabrikan, pabrik, pemasok dari Cina
Special Welding for Marine Engine Valve
Marine engine valves can choose various of material ,such as 4Cr10Si2Mo,23-8N,Ni80A,SNCRW etc,some engine valve are made of very good material like Ni80A,But it's too much costy,if you do not have...
The Benifit of Alloy Welding Engine Valves
The valves in the cylinders of an aircraft engine are subjected to high temperatures, corrosion, and operating stresses; thus, the metal alloy in the valves must be able to resist all these factors....