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  • China Wholesale 1.5 Inch Galvanized Steel Pipe Exporters - High Quality Square Steel Pipe – Xinsuju

    China Wholesale 1.5 Inch Galvanized Steel Pipe Exporters - High Quality Square Steel Pipe – Xinsuju

    Product Desscription As the name suggests, square pipe is a kind of square pipe type. Many materials can form square pipe body. It is used for what purpose and where. Most square pipes are steel pipes, which are unpacked, leveled, crimped and welded to form round pipes, which are rolled into square pipes, and then cut to the required length. Generally, there are 50 square tubes in each package. In terms of spot, most of them are in large specifications, ranging from 10 * 10 * 0.8-1.5 ~ ~...
  • China Wholesale Q235b Square Steel Pipe Suppliers - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale Q235b Square Steel Pipe Suppliers - 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 3 Inch Stainless Steel Pipe Suppliers - High Quality Galvanized Steel Plate – Xinsuju

    China Wholesale 3 Inch Stainless Steel Pipe Suppliers - 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 6m Scaffolding Pipe Suppliers - High Quality Seamless Steel Pipe – Xinsuju

    China Wholesale 6m Scaffolding Pipe Suppliers - 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 Schedule 40 Galvanized Steel Pipe Factories - High Quality Galvanized Square Pipe – Xinsuju

    China Wholesale Schedule 40 Galvanized 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 Steel Pipe Price Per Meter Suppliers - High Quality Spiral Steel Pipe  – Xinsuju

    China Wholesale Steel Pipe Price Per Meter Suppliers - 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 Red Scaffolding Pipe Manufacturers - High Quality Galvanized Steel Pipe – Xinsuju

    China Wholesale Red Scaffolding Pipe Manufacturers - High Quality Galvanized Steel Pipe – Xinsuju

    Product Details Hot dip galvanized steel pipe is to make molten metal react with iron matrix to produce alloy layer, so as to combine the matrix and coating. Hot dip galvanizing is to pickle the steel pipe first. In order to remove iron oxide on the surface of the steel pipe, after pickling, it is cleaned in ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent to the hot dip galvanizing tank. Hot dip galvani...
  • China Wholesale Carbon Steel Welded Pipe Factories - High Quality Galvanized Steel Plate – Xinsuju

    China Wholesale Carbon Steel Welded Pipe Factories - 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 Alloy Steel Pipe Fitting Suppliers - High Quality Welded Steel Pipe – Xinsuju

    China Wholesale Alloy Steel Pipe Fitting 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 P22 Seamless Steel Pipe Exporters - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale P22 Seamless Steel Pipe Exporters - 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 Bs1387 Galvanized Steel Pipes Factories - High Quality Galvanized Steel Pipe – Xinsuju

    China Wholesale Bs1387 Galvanized Steel Pipes Factories - High Quality Galvanized Steel Pipe – Xinsuju

    Product Details Hot dip galvanized steel pipe is to make molten metal react with iron matrix to produce alloy layer, so as to combine the matrix and coating. Hot dip galvanizing is to pickle the steel pipe first. In order to remove iron oxide on the surface of the steel pipe, after pickling, it is cleaned in ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank, and then sent to the hot dip galvanizing tank. Hot dip galvani...
  • China Wholesale Pre Galvanized Square Steel Pipe Suppliers - High Quality Seamless Square Pipe  – Xinsuju

    China Wholesale Pre Galvanized Square Steel Pipe Suppliers - 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 /...