无缝钢管
Professional management of various materials of stainless steel, pipes, steel pipes, steel, profiles, hardware and electrical materials, etc., widely used in petroleum, petrochemical, pharmaceutical, electric power, chemical, gas, heating, metallurgy and other industries.
- Commodity name： 无缝钢管
- Commodity ID： 1083670475201728512
- Product Description
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无缝钢管经冷拉、冷轧等冷加工成型的钢材，不经任何热处理而直接交货的状态，称为冷拉或冷轧状态。与热轧（锻）状态相比，冷拉（轧）状态的钢材尺寸精度高、表面质量好、表面粗糙度低，并有较高的力学性能,由于冷拉（轧）状态交货的钢材表面没有氧化皮覆盖，并且存在很大的内应力，极易遭受腐蚀或生锈，因而冷拉（轧）状态的钢材，其包装、储运均有较严格的要求，一般均需在库房内保管，并应注意库房内的温湿度控制。
Our company specializes in various materials of stainless steel, alloy steel and carbon steel pressure pipe fittings, pressure pipe flanges, metal hoses, soft connections, wear-resistant pipes, anti-corrosion pipes, thermal insulation pipes, supports and hangers, and cable bridges for conveying machinery; Sales of various materials of stainless steel, alloy steel and high temperature resistant, high pressure steel pipes, steel materials, profiles, hardware and electrical materials of special materials. The company has always been based on the principle of quality first, reasonable price, customer first, considerate service, giving customers profits, small profits but quick turnover, and honesty and trustworthiness as its purpose. Over the years, our company has established a stable supply system and a good sales system with users. Our company's products have been widely used in petroleum, petrochemical, pharmaceutical, electric power, chemical, gas, heating, metallurgy and other industries.
Production Workshop
The company attaches great importance to product quality, and strictly controls everything from raw materials entering the factory to re-inspection. It has self-inspection capabilities for chemical analysis, performance testing, non-destructive testing and other inspection items of materials, ensuring the correctness and rigor of product process links.
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Non-destructive Testing
We pass standard specifications, inspection work content and requirements, and control of non-conforming products. Metal forming performance test: stamping forming performance test, metal upsetting test, metal pipe process performance test, steel hardenability test, welding performance test, chemical composition test, macro/microstructure test and fracture analysis and other testing methods. Strictly control the quality and control the quality of product output.
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Yanshan County Industrial Development Zone, Hebei Province
