First, what are the production methods of boiler steel pipes?Boiler steel pipes are a type of seamless steel pipe. The manufacturing method is the same as that of seamless steel pipes, but there are strict requirements on the steel grades used. Based on the operating temperature, they are divided in
1. What is the standard for GB/T3087-2022 low and medium pressure boiler steel pipes?GB/T3087-2022 is a national standard for seamless steel pipes used in low and medium pressure boilers, replacing the old version GB3087-2008. This standard specifies the dimensions, shape, weight, technical requirem
First, what are the optimization goals for precision steel pipe fittings?(A) Performance Indicators: While ensuring dimensional accuracy (tolerance ≤ 0.1%), increase the tensile strength of carbon steel and alloy steel pipes by 20%-30%, optimize impact energy by more than 15%, control hardness unifo
First, what are the basic properties of Q355B seamless square and rectangular steel pipes?(1) Material composition: Q355B is a low-alloy high-strength structural steel. Its chemical composition mainly includes elements such as carbon, silicon, manganese, phosphorus, and sulfur. The carbon content ge
How is the root pass welding of stainless steel pipes performed? The welding of stainless steel pipes typically consists of several parts: root pass welding, filler weld, and cover pass welding. The root pass welding is the most critical step in stainless steel pipe welding, affecting not only the q
The following is a summary of key information regarding the delivery condition of 12Cr1MoVG high-pressure alloy steel pipe:What is the standard for 12Cr1MoVG high-pressure alloy steel pipe?GB/T 5310-2017 "Seamless Steel Tubes for High-Pressure Boilers": This standard clearly specifies the delivery c
What is the production process of ASTM A333 Gr.6 low-temperature seamless steel pipe?1. Smelting and Continuous Casting: Smelting is carried out in an electric furnace or converter. Refining processes (such as LF refining and VD vacuum degassing) are used to control the purity of the molten steel, r
3PE anti-corrosion steel pipe is a type of steel pipe that uses a three-layer polyethylene (3PE) coating for external corrosion protection. Its base materials mainly include seamless steel pipe, spiral steel pipe, and straight seam steel pipe. This type of anti-corrosion steel pipe is widely used in
In the field of high-end equipment manufacturing, the dimensional stability of precision steel pipe parts directly determines the assembly accuracy, operational reliability, and service life of equipment. As the industry's requirements for part precision move towards IT5 level and above, the difficu
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