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ASTM A513 Carbon Steel Mechanical Tubing
The ASTM A513 specification covers electric-resistance-welded carbon steel tubing for use as mechanical and ornamental tubing.
The most common type of Alloy Steel Pipe And Tubes is seamless pipe. It is made by extruding a heated block of metal through a die and then cutting it to length. Seamless pipes are used in high-pressure applications because they can withstand greater forces than other types. They also come in several wall thicknesses so that different levels of pressure can be handled.Welded pipes are another type of alloy steel pipe. These are made by welding together two pieces of metal along their edges. Welded pipes are often used in low-pressure applications where there isn’t as much stress on the material as there would be with a seamless pipe. They also tend to be less expensive than seamless pipes since they don’t require as much labor or processing time to manufacture them. ASTM A213 Tubes are seamless, circumferential welded, or cold-worked tubing used in high temperature applications such as boilers and other similar applications. They are made from an alloy of iron, chromium, manganese, silicon, molybdenum and tungsten which provides superior strength and resistance to corrosion compared to other types of steel.
| Grade | UNS | C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| ASTM A213 | K11597 | 0.10-0.20 | 0.30-0.61 | 0.025 max | 0.025 max | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 |
| Tensile Strength , MPa | Yield Strength, MPa | Elongation, % | Hardness, HB |
| 415 min | 205 min | 30 min | 163 max |
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
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