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  • China Wholesale 304 Stainless Steel Square Pipe Manufacturers - High Quality Seamless Square Pipe  – Xinsuju

    China Wholesale 304 Stainless Steel Square Pipe Manufacturers - 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 Galvanized Angle Steel Factories - High Quality Stainless Steel Pipe – Xinsuju

    China Wholesale Galvanized Angle Steel Factories - High Quality Stainless Steel Pipe – Xinsuju

    Product Desscription Brinell, Rockwell and Vickers hardness indexes are commonly used to measure the hardness of stainless steel pipes. Stainless steel pipes can be divided into CR series (400 Series), Cr Ni series (300 Series), Cr Mn Ni series (200 Series) and precipitation hardening series (600 Series). 200 series – chromium nickel manganese austenitic stainless steel 300 series – chromium nickel austenitic stainless steel. Production Process Production process of sta...
  • China Wholesale Astm A36 Steel Pipe Suppliers - High Quality Steel Plate         – Xinsuju

    China Wholesale Astm A36 Steel Pipe Suppliers - 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...
  • China Wholesale Stainless Angle Steel Suppliers - High Quality Welded Steel Pipe – Xinsuju

    China Wholesale Stainless Angle Steel Suppliers - 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 A106 Seamless Steel Pipe Factories - High Quality Galvanized Square Pipe – Xinsuju

    China Wholesale A106 Seamless Steel Pipe Factories - High Quality Galvanized Square Pipe – Xinsuju

    Hot dip galvanized square pipe Hot dip galvanized square pipe: it is a square pipe welded after crimping and forming with steel plate or steel strip, and on the basis of this square pipe, the square pipe is placed in the hot-dip galvanized pool and formed after a series of chemical reactions. Galvanized square pipe is divided into hot-dip galvanized square pipe and cold galvanized square pipe from the production process. It is precisely because of the different processing of the two galv...
  • China Wholesale Hot Dip Galvanized Square Steel Pipe Price Manufacturers - Angle Steel – Xinsuju

    China Wholesale Hot Dip Galvanized Square Steel Pipe Price Manufacturers - 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 Scaffolding Pipe Price Exporters - High  Quality  Coating  Steel  Pipe – Xinsuju

    China Wholesale Scaffolding Pipe Price Exporters - 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 18 Gauge Galvanized Steel Pipe Factories - High  Quality  Coating  Steel  Pipe – Xinsuju

    China Wholesale 18 Gauge Galvanized Steel Pipe 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 Schedule 40 Steel Pipe Price Exporters - High Quality Welded Steel Pipe – Xinsuju

    China Wholesale Schedule 40 Steel Pipe Price Exporters - 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 Square Rectangular Steel Pipes Manufacturers - High Quality Seamless Steel Pipe – Xinsuju

    China Wholesale Square Rectangular Steel Pipes Manufacturers - 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 3pe Steel Pipe Price Exporters - High Quality Seamless Square Pipe  – Xinsuju

    China Wholesale 3pe Steel Pipe Price Exporters - 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 Hot Dip Galvanized Round Steel Pipe Exporters - High Quality Steel Plate         – Xinsuju

    China Wholesale Hot Dip Galvanized Round Steel Pipe Exporters - 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...