Xinpeng brand stainless steel lined composite steel pipes, bimetallic composite pipes, stainless steel lined composite tees, stainless steel lined composite elbows, galvanized pipes with stainless steel lined composite steel pipes, titanium lined composite pipes, copper lined composite pipes, nickel-based alloy lined composite pipes, duplex steel lined composite pipes, and stainless steel lined pipe fittings are manufactured with high-quality raw materials, advanced processing methods, scientific monitoring technology, and comprehensive after-sales service, providing high-quality bimetallic composite pipes to numerous industries. The outer steel pipe of Xinpeng brand stainless steel lined composite steel pipes is produced using welded steel pipes manufactured according to GB/T3091-2008 for low-pressure fluid transportation, or seamless steel pipes produced in accordance with GB/T8163-1999 for fluid transportation, or spiral seam submerged arc welded steel pipes manufactured as per SY/T5037-2000. The outer steel pipe of stainless steel lined composite pipes for transporting petroleum and natural gas is produced in compliance with GB/T9711-1997 technical delivery conditions for steel pipes for the petroleum and natural gas industries. Both welded and seamless steel pipes have a tensile strength of not less than 335 MPa and an elongation of not less than 15%. The outer steel pipe of stainless steel lined composite pipes for natural gas and petroleum transportation achieves an elongation of 25%. All steel pipes undergo a hydrostatic test of 3.0 MPa or higher and pass the bending test or flattening test as specified by the standards. Steel pipes for gas and oil transportation produced according to GB9711 also undergo fracture toughness tests, metallographic inspections, tensile tests, and higher-strength pressure tests. Xinpeng brand stainless steel lined composite steel pipes are offered at competitive prices, professionally manufactured, and include installation services, providing you with thoughtful and enthusiastic support.