Sino East Steel Group as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino East Steel Group is about 65,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
Appearance how to test the quality of spiral steel pipe
/in News /by PaulMany users buy spiral steel pipe, due to the lack of professional testing equipment, this time only from the appearance of the quality of spiral steel pipe detection, the following are several common methods of determination. 1, from the surface of the spiral steel pipe to see whether the manufacturing process of spiral pipe is […]
Analysis of the degree of turning of spiral steel pipe
/in Uncategorized /by PaulLongitudinal welded pipe consumption process is simple, high consumption efficiency, low cost, the development of faster. The strength of spiral welded pipe is generally higher than that of straight seam welded pipe, and it can use narrower billet to consume welded pipe with larger pipe diameter size, and it can also use the same width […]
Spiral steel pipe in the production of attention to matters
/in News /by PaulSpiral steel pipe in the process of making spiral welded pipe, the following issues need to be noted. 1, oiling and marking: the spiral steel pipe in the inspection of qualified oiling operation to prevent corrosion, and marking according to customer requirements. 2, leveling and milling: the use of anvil machine to level the original […]
Spiral steel pipe welding seam disadvantages
/in News /by PaulThe small length of the filler weld is 50mm. if the direction of the shortcoming on the base material of the steel pipe, the filler weld should be along the circumferential direction. Patch welding seam should be repaired and ground, so that the transition with the original appearance of the steel pipe steep. The height […]
The role of spiral steel pipe and the main use of items
/in News /by PaulCan say that related to the previous 10 years spiral steel tube industry, 14 years spiral steel tube industry is a dismal year, whether from the number of acquisitions, or from the price, a drop to low, the financial crisis erupted in 2008 than 14 years also strong, but also not fully involved in the […]
The production process of spiral steel pipe plant
/in Uncategorized /by PaulSpiral steel pipe is a spiral steel pipe welded by active double-wire double-sided submerged arc welding process with strip steel coil as raw material, kneading and forming at regular temperature. The production process is as follows: raw materials, i.e. strip steel coil, welding wire, welding flux. In the input before are subjected to severe physical […]
Spiral steel pipe surface rust removal treatment has several methods
/in News /by Paul1、Cleaning Apply solvents and emulsions to clean the exterior of steel to remove oil, grease, dust, slick and similar organic substances, but it cannot remove rust, oxidation skin, welding powder, etc. on the exterior of steel, so it is only used as an auxiliary trick in anti-corrosion production. 2、Spraying (throwing) rust removal Spraying (throwing) rust […]
The appearance quality inspection method of spiral steel pipe
/in News /by PaulJudging from the surface, that is, in the appearance of the inspection. Usually users in the purchase of spiral steel pipe, due to the absence of professional testing equipment, at this time can only use the naked eye on the quality of spiral pipe appearance inspection, in order to roughly determine the quality of steel […]
Spiral steel pipe process
/in blog /by Paul(1) Raw materials, i.e. strip coil, welding wire, flux. Before input are subject to strict physical and chemical inspection. (2) Strip head and tail butt, using single or double wire submerged arc welding, and automatic submerged arc welding filler welding after rolled into steel pipe. (3) Before forming, the strip is leveled, edge cutting, edge […]
Spiral steel pipe raw material is strip or coil are hot rolled plate
/in Uncategorized /by PaulSpiral steel pipe raw material for strip or coil are hot rolled plate. Spiral steel pipe raw materials Hot-rolled plate, that is, hot-rolled steel rolled steel plate or strip, commonly known as hot plate, usually also rolled written as the word tie, such as hot-tied plate, but all refer to the same hot-rolled plate. Refers […]