20crmo-alloy-seamless-steel-square-pipe is also an indispensable material for various conventional weapons, and the barrel, barrel, etc. must be made of steel pipe. Alloy steel pipes can be divided into round pipes and special-shaped pipes according to the shape of the cross-sectional area.
20crmo-alloy-seamless-steel-square-pipe Product Description
| Chemical Composition(%) | Mechanical Property | |||||||||
| C | Si | Mn | S | P | Cr | Ni | Cu | Mo | Yield Strength | Tensile Strength |
| ( σs ) | ( σb ) | |||||||||
| 0.18~0.24 | 0.17~0.37 | 0.50~0.80 | ≤0.035 | ≤0.035 | 0.70~1.00 | ≤0.30 | ≤0.30 | ≤0.15 | ≥540 | ≥835 |
| (MPa) | (MPa) | |||||||||
| End Shape | Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's requirements | |||||||||
| Surface | Oiled, Galvanized, Phosphate etc | |||||||||
| Treatment | ||||||||||
| Technique | Cold drawn | |||||||||
| Application | 1. Automotive and mechanical pipes | |||||||||
| 2. Petroleum cracking pipes | ||||||||||
| 3. High Pressure Boiler Pipe | ||||||||||
| 4. Low and middle pressure fluid transportation pipeline | ||||||||||
| 5. Chemical fertilizer equipment pipes | ||||||||||
| 6. Heat exchanger pipes |
Since the area of the circle is the largest under the condition of equal perimeter, more fluid can be transported by the circular tube. In addition, when the ring section is subjected to external or internal radial pressure, the force is relatively average, so most of the steel pipes are round pipes.
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