Alloy 15mnv Steel Seamless Pipe
15mnv Alloy Piping
15 chromium-molybdenum alloy steel pipe is a special type of seamless steel pipe. Due to its high chromium content, it exhibits excellent high temperature resistance, low temperature resistance and corrosion resistance. This alloy steel pipe is widely used in the petroleum, petroleum and natural gas industries, and is also widely used in chemical, electric power, boiler and other industries.
15MnV steel pipe is a low-alloy high-strength structural steel. The chemical composition of this steel pipe mainly includes carbon (C), silicon (Si), manganese (Mn), chromium (Cr) and vanadium (V) and other elements. 15MnV structure has no The mechanical properties of seamed pipes vary depending on their heat treatment status and processing technology. Generally, after proper heat treatment and processing technology, 15MnV seamless alloy steel pipe can exhibit excellent mechanical properties. Its tensile strength can reach 750-900MPa, its yield strength is about 680-730MPa, and its elongation is between 12% and 18%.
15MnV alloy steel round pipe has excellent plasticity and processing properties and can be adapted to various cold and hot forming methods. However, during the processing process, the processing temperature and deformation rate must be strictly controlled to ensure the stability of the material's heat treatment effect.
Mechanical properties of grade 15MnV steel alloy pipe
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
| 286 (≥) | 215 (≥) | 44 | 23 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 412 |
Physical properties of grade 15MnV Alloy Steel Seamless Pipes
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
| 373 (≥) | 342 (≥) | 13 | 23 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
- | - | - |
| 771 | 329 | 462 | - | - | - |
15MnV Alloy Steel Seamless Pipes
Seamless 15MnV steel pipe performance characteristics:
The strength is higher than carbon structural steel, which can reduce the weight of the structure and save steel.
, has sufficient plasticity and toughness for welding performance, excellent corrosion resistance and low cold-brittle transition temperature.
15MnV low alloy steel pipe ultrasonic flaw detection
Steel pipes should be subjected to ultrasonic testing one by one according to the order requirements.
15MnV low structure steel pipe surface quality
The outer surface of the delivered steel pipe should be smooth and clean. Defects such as cracks, bubbles, scabs, folds, inclusions and delamination are not allowed on the surface of the steel plate.
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