27SiMn low-alloy steel pipe
27SiMn low-alloy seamless steel pipe is a common construction steel made of 27SiMn. It is a low-alloy, high-strength structural steel named for its low carbon and silicon content. Compared with ordinary carbon steel pipes, 27SiMn low alloy steel pipes have higher strength and toughness, so they are widely used in construction, bridges, ships, automobiles and other fields.
The main features of 27SiMn alloy steel pipe include high strength, high toughness, good welding performance and corrosion resistance. Its tensile strength can reach more than 500MPa, its elongation can reach more than 20%, and it also has good low-temperature toughness and fatigue resistance. In addition, 27SiMnAlloy Steel Round pipes also have good welding performance and corrosion resistance, and can be used in various complex environmental conditions.
20G high-pressure alloy pipe is a pipe material widely used in industrial fields. It is made of high-strength alloy material and has excellent pressure resistance and corrosion resistance. It is widely used in petroleum, chemical industry, electric power, aerospace and other fields.
20G high-pressure pipe adopts advanced manufacturing processes, including cold drawing, cold rolling, cold drawing, hot rolling and other processes to ensure the high strength and high-quality performance of the pipe. This pipe material has high compressive strength and corrosion resistance, and can withstand working conditions in high-pressure and high-temperature environments.
Chemical composition of 27SiMn alloy steel pipe
|
Grade |
Chemical composition (mass fraction) (%) | |||||||
|
C |
Si |
Mn |
Cr≤ |
Mo |
Ni |
B |
V |
|
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
－ |
－ |
－ |
－ |
－ |
Mechanical properties of 27SiMn alloy seamless steel pipe
| Grade | Tensile strength MPa | Yield point MPa | Elongation after break (%) | rate of reduction in area(%) |
|
27SiMn |
980 |
835 |
12 |
40 |
20G Seamless Ferritic Alloy-Steel Pipe
20G alloy pipe is a kind of pipe that can withstand pressure. This pipe is used to transport liquids. There are many types of it, including steel pipes, copper pipes, stainless steel pipes, etc., steel numbers 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB etc.
GNEE's main products are seamless steel pipes, carbon steel pipes, alloy steel pipes, stainless steel pipes, and boiler pipes, with an inventory of 1 million tons.
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