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Q235B/304薄内衬双金属复合管TIG焊接头组织与性能研究 - 中国知网
Source: kns.cnki.net
Article summary:
1. Bimetallic composite pipes are commonly used in urban water pipelines and petrochemical pipelines due to their excellent mechanical properties and corrosion resistance.
2. Welding bimetallic composite pipes requires a special welding method due to the differences in chemical composition and mechanical properties of the base metal and inner lining metal.
3. The study used a two-layer three-pass welding method with tungsten argon arc welding (TIG) and specific welding consumables to successfully weld a thin-lined 304/Q235B composite pipe, and simulation results showed that the welding heat input had a significant impact on the welding process.
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