Cangzhou Bohai Steel Tube Co., Ltd. specializes in producing specific analytical methods elbow reference GB223-84 "steel and alloy chemical analysis methods," the relevant section. 5.3, analytical bias reference GB222-84 "steel chemical assays and chemical composition of the finished product tolerance." 6, alloy pipe welding technology for increasing argon protected areas and enhance the protective effect can be large diameter alloy steel elbow torch oil with porcelain mouth, increased flow of argon gas torch. When there is an obvious obstacle to the flow of argon gas flow to the nozzle when the spatter adhesion. You must remove or replace the nozzle spatter. When the tungsten tip pollution occurs, irregular and other phenomena must be trimmed or replaced. Tungsten should not extend outside of the nozzle. Control of welding temperature is mainly to control the welding speed and welding current size. The results showed that steel elbow power plant, high current, fast welding can effectively prevent the generation of holes. This is mainly due to the welding process at a faster rate of penetration welding, the molten metal heating time is short, less chance to absorb gases. Cangzhou Bohai Steel Tube Co., Ltd. specializes in producing an elbow, metallurgy, electric power industry application in metallurgy, electric power industry, transport coal, ash, mud, lime and gypsum slurry, etc. need to consume a large amount of metal pipes annually. Ceramic composite pipes to replace the other channels, with high wear resistance, long life, easy installation, with significant economic benefits characteristics. 2, mining, coal industry in the application (1) Mine: mine filling, powder concentrate and tailings pipeline transporting serious wear, slag pipelines used in the past such as Panzhihua, Daye mine life of less than one year, etc. alloy steel elbow, instead of the tube can improve the life of about five times. (2) coal: coal and long-distance pipelines transporting coal generally wet, wear and they both require delivery pipe corrosion, the use of the pipe as longevity pipeline, economic benefits. ] Alloy steel elbow quotes, Cangzhou Bohai (certified), alloy steel elbow Ltd provided by Cangzhou Bohai fittings. Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) is an industry leader in Cangzhou, Hebei, three, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Cangzhou Bohai leadership with the staff warmly welcome all inquiries negotiations to create a better future Cangzhou Bohai.