As the professional manufacture, we would like to provide you Pengfa Common Carbon Steel Square Rectangular Pipe. Hardness is a pointer to measure the degree of hardness of metal materials. The most commonly used method to determine the hardness of square rectangular tube in production is the pressing hardness method. It is to press the surface of metal materials to be tested with a certain geometric head under a certain load, and test its hardness value according to the degree of being pressed.
As the professional manufacture, we would like to provide you Pengfa Large Diameter Square Tube. Used in engineering construction, glass curtain wall, door and window decoration, steel structure, guardrail, machinery manufacturing, automobile manufacturing, household appliance manufacturing, shipbuilding, container manufacturing, electric power, agricultural construction, agricultural greenhouse, bicycle rack, motorcycle rack, shelves, fitness equipment, leisure and tourism supplies, steel furniture, various specifications of oil casing, oil tubing and pipeline pipe, water, gas, sewage, air, mining Warm and other fluid transmission, fire and support, construction, etc.
As the professional manufacture, we would like to provide you Pengfa Rectangular Tube for Steel Structure. Rectangular tube use: Galvanized Square Rectangular Pip is the name of square tube and rectangular tube, and the strip steel is processed and rolled. Generally speaking, the strip steel is formed into a round tube by disassembly, flattening, crimping and welding, and then the round tube is rolled into a square tube, and then cut to the required length.
You are welcomed to come to our factory to buy the latest selling, low price, and high-quality Pengfa Galvanized Square Square Pipe. The basic process is as follows:
1. Spray the plastic powder evenly on the heated steel after heating and melting at high temperature first.
2. Then control the temperature of the extruder head at about 210-230°C.
3. After a certain period of curing, the coating is formed.
4. The coating thickness is generally 0.5-1.0mm.
You are welcomed to come to our factory to buy the latest selling, low price, and high-quality Pengfa Galvanized Square Rectangular Pipe. In the construction of industrial and mining enterprises, galvanized steel pipe is used for liquid transportation: water supply and drainage (including industrial and civil cooling water). Hot dip plastic steel pipe is the traditional steel plastic composite pipe upgrade type of cost-effective products. Hot-dip plastic steel pipe is coated with polymer material by chemical method on the basis of ordinary steel pipe surface treatment.
