Flux-cored welding wire is more and more popular in engineering practice because of its lower comprehensive cost, faster deposition speed and less splash. According to the manufacturing process, it can be divided into seam flux-cored wire and seamless flux-cored wire. Seam flux-cored wire is a thin steel strip processed into grooves by forming rollers, involved in powder to roll into a tube […]
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Welding Technology Welding method GTAW welding method, direct current connection, using high-frequency arc ignition and attenuation of the arc extinguishing device welding machine. Welding material The selection of welding wire should make the tensile strength of the welding seam is not lower than the lower limit of the standard tensile strength of the annealed base metal, […]
Austenitic stainless steel is the most widely used type of stainless steel, mainly Cr18-Ni8, Cr25-Ni20, Cr25-Ni35 type. The welding of austenitic stainless steel has obvious characteristics: Welding hot crack. Austenitic stainless steel is easy to form a bulky columnar grain structure when the welding joint parts of high temperature and retention time is longer because of small thermal […]
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