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  • China Supplier Seamless Square Pipe - Steel pipe China Quality Manufacturer customizable – Lu

    China Supplier Seamless Square Pipe - Steel pipe China Quality Manufacturer customizable – Lu

    Introduction A steel material that is open at both ends and has a hollow and concentric cross-section, The specifications of steel pipes are expressed by external dimensions (such as outer diameter or side length) and inner diameter and wall thickness. The size range is very wide, from small diameter capillary tubes to large round steel pipes with a diameter of several meters. Round steel pipes can be used for pipelines, thermal equipment, machinery industry, petroleum geological drilling, co...
  • Factory source Erw Steel Pipe - Ductile iron pipe Made in China K9 C30 C40 En545 ISO2531 – Lu

    Factory source Erw Steel Pipe - Ductile iron pipe Made in China K9 C30 C40 En545 ISO2531 – Lu

    Introduction The essence of cast iron steel pipe is ductile iron pipe. Because Ductile iron pipe has the essence of iron and the performance of steel, it is called this way. The graphite in the ductile iron pipe is in the form of spheroids, and the size of the graphite is generally 6-7. In terms of quality, the spheroidization grade of the cast iron pipe is controlled to be 1-3, and the spheroidization rate is ≥80%, so the mechanical properties of the material itself have been better improved...
  • Factory source Erw Steel Pipe - High pressure boiler pipe Custom manufacturers – Lu

    Factory source Erw Steel Pipe - High pressure boiler pipe Custom manufacturers – Lu

    Introduction It is a kind of boiler tube and belongs to the category of seamless steel tubes. The manufacturing method is the same as that of seamless pipes, but there are strict requirements on the steel grades used in the manufacture of steel pipes. High-pressure boiler tubes are often in high-temperature and high-pressure conditions when used, and the tubes will be oxidized and corroded under the action of high-temperature flue gas and water vapor. The steel pipe is required to have high d...
  • Manufactur standard Galvanized H Beam - Galvanized steel strip Q235 Q195 SGCC Hot in the Chinese market – Lu

    Manufactur standard Galvanized H Beam - Galvanized steel strip Q235 Q195 SGCC Hot in the Chinese market – Lu

    Introduction Galvanized steel strip is a raw material called (zinc, aluminum) that is cold-rolled or hot-rolled, long and narrow strip steel plate is plated to varying degrees with a layer of (zinc, aluminum). Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. The hot-dip galvanized strip steel matrix undergoes a complex physical and chemical reaction with the molten plating solution to form a corrosion-resistant zinc-iron alloy layer with a comp...
  • Manufacturer of Welded Steel Tube - Free cutting steel alloy AISI  1212 1117 1215 Mould Steel Tool steel – Lu

    Manufacturer of Welded Steel Tube - Free cutting steel alloy AISI 1212 1117 1215 Mould Steel Tool steel – Lu

    Introduction Free-cutting steel refers to an alloy steel in which a certain amount of sulfur, phosphorus, lead, calcium, selenium, tellurium and other free-cutting elements are added to the steel to improve its machinability. With the automation, high speed and precision of cutting, it is very important to require steel to have good machinability. This type of steel is mainly used for processing on automatic cutting machine tools, so it is a special steel. Parameter Item Free cutting steel...
  • One of Hottest for Stainless Steel - Food grade stainless steel tube Hot sale 316 304 310 201 – Lu

    One of Hottest for Stainless Steel - Food grade stainless steel tube Hot sale 316 304 310 201 – Lu

    Introduction Generally, the maximum limits of chromium, nickel, sulfur and carbon content are mainly stipulated. The metal substrates, metal coatings and welding materials used on the food contact surface of metal materials and products should not cause harm to human health. The composition of the metal substrate, coating and other materials should be consistent with the corresponding composition of the product logo or brand. Stainless steel tableware containers, food production and operation...
  • New Delivery for Deformed Steel Pipe - Line pipe Drainage Natural gas oil X42 X46 X52 X56 X60 X65 – Lu

    New Delivery for Deformed Steel Pipe - Line pipe Drainage Natural gas oil X42 X46 X52 X56 X60 X65 – Lu

    Introduction Line pipe: The oil, gas or water pumped out of the ground is transported to the petroleum and natural gas industrial enterprises through the line pipe. Line pipes include seamless pipes and welded pipes. The pipe ends have flat ends, threaded ends and socket ends; the connection methods are end welding, coupling connection, socket connection, etc. The performance requirements of pipeline steel pipes are different. According to the different tempering temperature, tempering can be...
  • OEM Customized Galvanized Steel Channel - Galvanized steel channel hot rolled manufacture – Lu

    OEM Customized Galvanized Steel Channel - Galvanized steel channel hot rolled manufacture – Lu

    Introduction Galvanized steel channel is a long steel with a groove-shaped section. Hot-dip galvanized channel steel can be divided into hot-dip galvanized channel steel and hot-blown galvanized channel steel according to the different galvanizing process. It is the steel after derusting. The parts are immersed in the molten zinc at around 440~460℃ to make the surface of the steel parts adhere to the zinc layer, thereby achieving the purpose of anti-corrosion. Among various coating methods fo...
  • 2021 Good Quality Electro Galvanized Sheet - Galvanized H-beam structural steel Q235b Q345b  price  – Lu

    2021 Good Quality Electro Galvanized Sheet - Galvanized H-beam structural steel Q235b Q345b price – Lu

    Introduction H-section steel is a kind of economical section and high-efficiency section with more optimized cross-sectional area distribution and more reasonable strength-to-weight ratio. It is named because its section is the same as the English letter “H”. Since the various parts of the H-section steel are arranged at right angles, the H-section steel has the advantages of strong bending resistance, simple construction, cost saving and light structure in all directions. The zin...
  • Online Exporter Stainless Steel Special Shaped Tube - Stainless steel wire  Coil 0.025mm-5mm customizable 304/304L/316/321 – Lu

    Online Exporter Stainless Steel Special Shaped Tube - Stainless steel wire Coil 0.025mm-5mm customizable 304/304L/316/321 – Lu

    Introduction Stainless steel wire, also known as stainless steel wire, is a variety of different specifications and models of wire products made of stainless steel. Common stainless steel wires with good corrosion resistance and high cost performance are 304 and 316 stainless steel wires. Stainless steel wire drawing is a metal plastic processing process in which the wire rod or wire blank is drawn from the die hole of the wire drawing die under the action of the drawing force to produce smal...
  • 2021 High quality Hot Dip Galvanized Coil - Ship steel plate price A36 Q345 carbon steel Plate for ship building – Lu

    2021 High quality Hot Dip Galvanized Coil - Ship steel plate price A36 Q345 carbon steel Plate for ship building – Lu

    Introduction Shipboard steel plates refer to hot-rolled steel plates produced in accordance with the requirements of the classification society construction rules for the manufacture of hull structures. Due to the harsh working environment of the ship, the hull is affected by seawater chemical corrosion, electrochemical corrosion, marine organisms and microbial corrosion: the hull bears the impact of strong wind and waves and alternate loads: the shape of the ship makes its processing method ...
  • 2021 High quality Hot Dip Galvanized Coil - Low alloy plate structural steel high yield strength – Lu

    2021 High quality Hot Dip Galvanized Coil - Low alloy plate structural steel high yield strength – Lu

    Introduction Low-alloy plate is a general term that refers to steel plates with an alloy content of less than 3.5%. Alloy steel is divided into low-alloy steel, medium-alloy steel and high-alloy steel. As the name suggests, they are distinguished by the total amount of alloying elements. The total amount is less than 3.5% as low-alloy steel, and 5-10% is medium-alloy steel. More than 10% is high alloy steel. In the domestic custom, carbon steel and alloy steel of special quality are called sp...