First, the basic characteristics of S31603 stainless steel seamless pipes Commonly used implementation standards: GB/T14976, GB/T9948, GB/T13296, ASME AS-213/SA-213M, ASME SA-312/SA-312, ASTM A312. Chemical composition: Carbon: content ≤0.030%, reducing carbon content and improving welding perfor

Large-diameter spiral steel pipes are a type of steel pipe widely used in modern industry and infrastructure construction. Their main feature is their large diameter, which is suitable for large-scale transportation and carrying needs. However, despite their high demand in the market, they still fac

First, the material characteristics of large-diameter internal and external plastic-coated steel pipes: 1. Plastic coating layer: The inner and outer layers of large-diameter internal and external plastic-coated steel pipes are protected by plastic coating. This coating has good corrosion resistanc

3PE anti-corrosion steel pipe anti-corrosion structure: the first layer of epoxy powder, the second layer of adhesive (AD) 170 ~ 250um, the third layer of polyethylene (PE) 1.8 ~ 3.7mm (ordinary grade ~ reinforced grade) The three materials are integrated and firmly combined with the steel pipe to f

Q390C straight seam steel pipe, Q390C straight seam pipe, and Q390C submerged arc welded pipe are all high-strength structural steel pipes, which are widely used in various engineering fields that require high strength and excellent mechanical properties. The following is a detailed introduction to

Q620E straight seam welded steel pipes, as a high-strength low-alloy structural steel pipe, have shown significant application value in the fields of oil, natural gas, engineering machinery, bridge construction, etc. in recent years. Its excellent mechanical properties and welding characteristics ma

First, the material characteristics of 12Cr2MoG high-pressure seamless steel pipe 1. Chemical composition: 12Cr2MoG is a low-alloy pearlite heat-resistant steel. The main alloying elements are chromium (Cr) and molybdenum (Mo), of which the chromium content is about 2-2.5% and the molybdenum conten

1. The product should comply with TSG D7002 pressure piping component type test rules, 2. Product specifications of ASTM A335 P22 seamless steel pipes: outer diameter 21.3mm~762mm, wall thickness 2.0~140mm. 3. Chemical composition of ASTM A335 P22 seamless steel pipes: carbon: 0.05~0.14, manganese

Q690D straight seam steel pipe: The steel pipes made by hot-rolled steel strip coil welding and straight seam welding on welding equipment are called straight seam welded steel pipes. (The name comes from the fact that the welding part of the steel pipe is in a straight line). It belongs to high-str

Large-diameter spiral steel pipes are an important material widely used in various engineering projects. Their technical advantages and market demand have received more and more attention in recent years. As a practitioner, I hope to elaborate on the characteristics and market situation of large-dia

Straightening of straight seam steel pipes is an important process in the production of straight seam steel pipes. Especially for oil casing and oil and gas pipes of API standard with high-quality requirements, and special pipes for mechanical equipment, these steel pipes not only have strict requir

In the world of metal materials, 321 stainless steel pipes and their seamless variants, 321 stainless steel seamless pipes, have become an indispensable part of industrial manufacturing with their unique properties and wide application areas. 321 stainless steel seamless pipe characteristics: Chemic

Seamless steel pipes are widely used in petroleum, chemical, electric power, boiler, and other industrial fields because of their high-pressure resistance and wide range of uses. Among them, seamless steel pipes for high-pressure boilers are important components of boilers and are of great significa

ASTM A213 T11 seamless alloy steel pipe is an important pipe widely used in industries such as boilers, superheaters, and heat exchangers. It has won the favor of the majority of users with its excellent performance and stability. Industrial details of ASTM A213 T11 seamless alloy steel pipe 1.

First, what are the connection methods of galvanized steel pipes When using galvanized steel pipes, usually not only one galvanized steel pipe is used. Sometimes two or more galvanized steel pipes need to be connected for use. This requires the correct connection method. So how many connection meth

Stainless steel can be divided into four types: austenite, martensite, ferrite, and duplex stainless steel. This is divided according to the metallographic structure of stainless steel pipes at room temperature. When low carbon steel is heated to 1550℉, its structure changes from the ferrite phas

With the rapid development of my country's economy, the energy industry has become more and more prosperous. As one of the important pipe products in the energy industry, the quality and performance of seamless steel pipes are directly related to the safety and stability of the energy industry. Amon

Understanding of thick-walled steel pipes: Thick-walled steel pipes refer to steel pipes with a ratio of outer diameter to wall thickness less than 20. They are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision stru