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  • China Wholesale Gi Pipe For Scaffolding Factories - High  Quality  Coating  Steel  Pipe – Xinsuju

    China Wholesale Gi Pipe For Scaffolding Factories - High Quality Coating Steel Pipe – Xinsuju

    Folding is classified by manufacturing process (1) The manufacturing process of seamless steel pipe can be divided into several basic categories: hot rolled (extrusion), cold rolled (drawing) and hot expanded steel pipe. (2) According to the manufacturing process, welded pipe can be divided into straight seam welded steel pipe, spiral welded steel pipe, plate coil butt welded steel pipe and welded pipe thermal expansion steel pipe. Collapse by shape According to the shape, steel pip...
  • China Wholesale Galvanized Seamless Steel Pipe Factories - High Quality Welded Steel Pipe – Xinsuju

    China Wholesale Galvanized Seamless Steel Pipe Factories - High Quality Welded Steel Pipe – Xinsuju

    product material Common materials of welded pipes are: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00cr19ni11, 1Cr18Ni9, 0cr18ni11nb, etc. product type The blank used for welded steel pipe is steel plate or strip steel. Due to different welding processes, it is divided into furnace welded pipe, electric welding (resistance welding) pipe and automatic arc welded pipe. Because of their different welding forms, they are divided into straight seam...
  • China Wholesale 2.5 Inch Galvanized Square Steel Pipe Exporters - High Quality Seamless Steel Pipe – Xinsuju

    China Wholesale 2.5 Inch Galvanized Square Steel Pipe Exporters - High Quality Seamless Steel Pipe – Xinsuju

    Production Process The general production process of seamless steel pipe can be divided into cold drawing and hot rolling. The production process of cold-rolled seamless steel pipe is generally more complex than hot rolling. The pipe blank must first be subject to three roll continuous rolling, and the sizing test shall be carried out after extrusion. If the surface does not respond to the crack, the round pipe must be cut by a cutter to cut the blank with a growth of about one meter. Th...
  • China Wholesale 50mm Seamless Pipe Factories - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale 50mm Seamless Pipe Factories - High Quality Galvanized Steel Coil – Xinsuju

    Product Desscription There are many materials and classifications of hot-dip galvanized coil, including ordinary plate and deep drawing plate, patterned plate and non patterned plate (environmental protection and non environmental protection), the height of zinc layer, and the commonly used steel grades are SGCC, dc51d + Z (52d.53d…), dx51d + Z (52d.53d…), st02z (03.04…), etc. Production process flow: uncoiling, welding, pretreatment, inlet looper, heating furnace annea...
  • China Wholesale Galvanized Steel Pipe Price Per Meter Factories - High Quality Seamless Square Pipe  – Xinsuju

    China Wholesale Galvanized Steel Pipe Price Per Meter Factories - High Quality Seamless Square Pipe – Xinsuju

    Process flow Round steel — tube blank — Inspection — Heating — perforation — sizing — hot rolling — flat head — Inspection — pickling — spherical annealing — cold drawing — forming — mouth alignment — inspection. Purpose 1. Seamless steel pipe for structure (GB / T8162-1999) is a seamless steel pipe for general structure and mechanical structure. 2. Seamless steel pipe for fluid transportation (GB /...
  • China Wholesale Q195 Welded Pre Galvanized Round Steel Pipe Manufacturers - High Quality Welded Steel Pipe – Xinsuju

    China Wholesale Q195 Welded Pre Galvanized Round Steel Pipe Manufacturers - High Quality Welded Steel Pipe – Xinsuju

    product material Common materials of welded pipes are: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00cr19ni11, 1Cr18Ni9, 0cr18ni11nb, etc. product type The blank used for welded steel pipe is steel plate or strip steel. Due to different welding processes, it is divided into furnace welded pipe, electric welding (resistance welding) pipe and automatic arc welded pipe. Because of their different welding forms, they are divided into straight seam...
  • China Wholesale Steel I-Beams Factories - Angle Steel – Xinsuju

    China Wholesale Steel I-Beams Factories - Angle Steel – Xinsuju

    product type Classification of section steel: according to different smelting quality of steel, section steel is divided into ordinary section steel and high-quality section steel. According to the current metal product catalogue, ordinary section steel is divided into large section steel, medium section steel and small section steel. According to its section shape, ordinary section steel can be divided into I-beam, channel steel, angle steel, H-section steel, round steel, etc. Produc...
  • China Wholesale Carbon Steel Square Pipe Manufacturers - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale Carbon Steel Square Pipe Manufacturers - High Quality Galvanized Steel Coil – Xinsuju

    Product Desscription There are many materials and classifications of hot-dip galvanized coil, including ordinary plate and deep drawing plate, patterned plate and non patterned plate (environmental protection and non environmental protection), the height of zinc layer, and the commonly used steel grades are SGCC, dc51d + Z (52d.53d…), dx51d + Z (52d.53d…), st02z (03.04…), etc. Production process flow: uncoiling, welding, pretreatment, inlet looper, heating furnace annea...
  • China Wholesale Galvanized I-Beam Factories - High  Quality Stainless Carbon Plate – Xinsuju

    China Wholesale Galvanized I-Beam Factories - High Quality Stainless Carbon Plate – Xinsuju

    Product Desscription Stainless steel plate is generally the general name of stainless steel plate and acid resistant steel plate. It came out at the beginning of this century. The development of stainless steel plate has laid an important material and technical foundation for the development of modern industry and scientific and technological progress. There are many kinds of stainless steel plates with different properties. product type It has gradually formed several categories i...
  • China Wholesale I-Beam Price Manufacturers - High Quality Galvanized Steel Plate – Xinsuju

    China Wholesale I-Beam Price Manufacturers - High Quality Galvanized Steel Plate – Xinsuju

    product type Galvanized steel plate is divided into ordinary electrolytic plate and fingerprint resistant electrolytic plate. Fingerprint resistant plate adds a fingerprint resistant treatment on the basis of ordinary electrolytic plate, which can resist sweat. It is generally used on parts without any treatment, and the brand is secc-n. Ordinary electrolytic plate can be divided into phosphating plate and passivation plate. Phosphating is commonly used. The brand is secc-p, commonly kno...
  • China Wholesale Scaffolding Galvanized Round Pipe Factories - High Quality Spiral Steel Pipe  – Xinsuju

    China Wholesale Scaffolding Galvanized Round Pipe Factories - High Quality Spiral Steel Pipe – Xinsuju

    product material Commonly used spiral pipe materials in China generally include: Q235A, Q235B, Q345, L245, L290, X42, X52, X60, X70, X80, 0Cr13, 1Cr17, 00cr19ni11, 1Cr18Ni9 and 0cr18ni11nb. Common standards for spiral pipes are generally divided into: SY / t5037-2018 (ministerial standard, also known as spiral seam submerged arc welded steel pipe for ordinary fluid transmission pipeline), GB / T9711.1-1997 (national standard, also known as technical delivery conditions of transmission st...
  • China Wholesale Square Pipe Galvanized Manufacturers - High Quality Steel Plate         – Xinsuju

    China Wholesale Square Pipe Galvanized Manufacturers - High Quality Steel Plate – Xinsuju

    Product Desscription The width of the sheet is 500 ~ 1500 mm; The width of the thickness is 600 ~ 3000 mm. Thin plates are divided into ordinary steel, high-quality steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron thin plates; According to professional use, there are oil barrel plate, enamel plate, bulletproof plate, etc; According to the surface coating, there are galvanized sheet, tinned sheet, le...