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  • China Wholesale 1.5 Inch Galvanized Steel Pipe Manufacturers - High Quality Spiral Steel Pipe  – Xinsuju

    China Wholesale 1.5 Inch Galvanized Steel Pipe Manufacturers - 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 2.5 Inch Galvanized Steel Pipe Suppliers - Angle Steel – Xinsuju

    China Wholesale 2.5 Inch Galvanized Steel Pipe Suppliers - 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 Seamless Carbon Steel Pipe Manufacturers - High Quality Seamless Steel Pipe – Xinsuju

    China Wholesale Seamless Carbon Steel Pipe 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 Pre Galvanized Steel Pipe Factories - High Quality Stainless Steel Pipe – Xinsuju

    China Wholesale Pre Galvanized Steel Pipe 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 309 Stainless Steel Pipe Exporters - High Quality Steel Plate         – Xinsuju

    China Wholesale 309 Stainless 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...
  • China Wholesale Thin Wall Stainless Pipe Manufacturers - High Quality Galvanized Steel Plate – Xinsuju

    China Wholesale Thin Wall Stainless Pipe 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 Stainless Steel Round Pipe Exporters - High Quality Steel Plate         – Xinsuju

    China Wholesale Stainless Steel Round 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...
  • China Wholesale Stainless Steel Seamless Pipe Suppliers - High Quality Seamless Square Pipe  – Xinsuju

    China Wholesale Stainless Steel Seamless 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 /...
  • China Wholesale Scaffolding Steel Pipe Price Exporters – High Quality Galvanized Square Pipe – Xinsuju

    China Wholesale Scaffolding Steel Pipe Price Exporters – 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 3pe Steel Pipe Per Meter Factories - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale 3pe Steel Pipe Per Meter 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 Zinc Magnesium Aluminum Coil Exporters - High Quality Galvanized Steel Coil – Xinsuju

    China Wholesale Zinc Magnesium Aluminum Coil 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 Zinc Magnesium Aluminum Coil Manufacturers - High Quality Galvanized Square Pipe – Xinsuju

    China Wholesale Zinc Magnesium Aluminum Coil Manufacturers - 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...