ASTM A213 T11 T12 Alloy Steel Pipe Seamless Pipe For Petroleum
Standard: ASTM A213 T11 T12
T11, T12 alloy tube has the characteristics of large thermal conductivity, small expansion coefficient, good oxidation resistance, and excellent stress corrosion resistance. It is mostly used in the manufacture of atmospheric resistance, corrosion resistance, high temperature resistance and other projects.
ASTM A213 Alloy Steel T11 Pipes is also extremely recognized by our customers for rigid construction, high performance, corrosion resistance, durability and precise dimensions.By providingASME SA 213 Alloy Steel T11 Pipes, we have been fulfilling the requirements of the automotive, oil and gas industries, power plants,shipbuilding, and more.Patrons can avail these Alloy Steel T11 Pipes from us at standard industry rates.
Chemical Composition
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 0.50-1.00 | 1.00-1.50 |
| T12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 |
Mechanical Properties
| Grade | Tensile Point | Yield Point |
| T11 | ≥415 | ≥205 |
| T12 | ≥415 | ≥220 |
Tolerance
| Outside Diameter | OD Tolerance | WT Tolerance | OvalityTolerance | Cut LengthTolerance |
| 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 |
T11,T12 Alloy Steel Pipe Feature
T12 alloy tube has the characteristics of large thermal conductivity, small expansion coefficient, good oxidation resistance, and excellent stress corrosion resistance. It is mostly used in the manufacture of atmospheric resistance, corrosion resistance, high temperature resistance and other projects. T12 alloy pipe is based on high-quality carbon structural steel pipe by adding one or several alloying elements to improve the mechanical properties, toughness and hardenability of steel. The production of T12 alloy pipe usually requires heat treatment, normalizing or quenching and tempering. Before use, it usually needs to undergo quenching and tempering or surface chemical treatment, carburizing, nitriding surface quenching or high frequency quenching, etc.
Application
Petroleum, chemical, electric power, boiler and other industries.
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