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

As a high-strength low-alloy structural steel material, Q690ME straight seam welded pipe has shown significant advantages in heavy-duty fields such as engineering machinery, bridge construction, and offshore platforms in recent years. This steel achieves a balance between high strength and good weld

As an important low-alloy high-strength structural steel material, Q345E seamless steel pipe has a wide range of application value in the industrial field. This steel has become a key material choice in petroleum, chemical, electric power, machinery manufacturing, and other industries with its excel

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

First, the characteristics of DN25 plastic coated steel pipe 1. Good anti-corrosion performance: The surface of the DN25 plastic-coated steel pipe is protected by spraying or coating with a plastic layer, which makes it have good anti-corrosion performance, can effectively prevent the steel pipe su

Anti-corrosion of seamless steel pipes: ensure high quality and corrosion resistance. Seamless steel pipes are increasingly used in the storage, processing, and transportation systems of various corrosive media, and the requirements for corrosion resistance are getting higher and higher. How to impr

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

40Cr alloy steel pipes are defined according to the production materials (that is, the material), which means alloy steel pipes; while seamless steel pipes are defined according to the production process (seamless or seamless), which is different from seamless steel pipes, including straight seam we

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

As a high-performance, multi-purpose pipe in the industrial field, ASME SA312 TP321 stainless steel welded steel pipes play an important role in many industries such as petroleum, chemical, nuclear energy, aerospace, and food processing due to their unique material properties and wide application sc

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. Implementation standards of X80Q seamless steel pipes; API SPEC 5L pipeline steel pipe specifications, GB/T9711 steel pipes for pipeline transportation systems in the petroleum and natural gas industry 2. Chemical composition of X80Q seamless steel pipes: carbon: ≤0.18, silicon: ≤0.45, manganese

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

Large-diameter epoxy coal tar anti-corrosion steel pipes are made of two-component room-temperature curing paint, and the surface of the steel pipe is reinforced with glass cloth as a coating to prevent corrosion. It is used for the outer wall anti-corrosion of buried or underwater oil, gas, wate

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

Annealing is to heat the cold-rolled precision bright seamless steel pipe to an appropriate temperature, use different holding times according to the material and workpiece size, and then slowly cool it. The purpose is to make the internal structure of the metal reach or approach a state of equilibr