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China Wholesale Erw Stainless Steel Pipe 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 Square Pipe Fittings 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 Erw Galvanized Steel Pipe Exporters - 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 Pre Galvanized Pipe 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 48.6mm Scaffold 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 Steel I-Beams Manufacturers - 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 Galvanized Water Pipe Exporters - 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 Galvanized Seamless 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 Api 5l 3lpe Coating Pipe 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... -
China Wholesale Black Steel Pipe Scaffolding Factories - 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 Steel Pipe Prices Per Foot Factories - 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 Black Square Steel Pipe Factories - 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...