Material and Specification
The EN10216-2 standard covers the technical delivery conditions for seamless steel tubes made of non-alloy and alloy steels. These tubes are intended for use in elevated temperature applications. The cold drawn manufacturing process ensures excellent dimensional accuracy and improved mechanical properties.
Chemical Composition
The chemical composition of EN10216-2 cold drawn alloy steel tubes varies depending on the specific steel grade. Here is a table outlining the typical chemical composition for different grades:
| Steel Grade | Chemical Composition (%) |
| 16Mo3 | C: ≤0.12, Si: ≤0.35, Mn: 0.40-0.90, P: ≤0.025, S: ≤0.010, Cr: 0.30-0.70, Mo: 0.25-0.35 |
| 13CrMo4-5 | C: ≤0.17, Si: 0.35-0.65, Mn: 0.40-0.80, P: ≤0.025, S: ≤0.010, Cr: 0.70-1.15, Mo: 0.45-0.65 |
| 10CrMo9-10 | C: ≤0.12, Si: ≤0.35, Mn: 0.40-0.80, P: ≤0.025, S: ≤0.010, Cr: 2.00-2.50, Mo: 0.90-1.10 |
Mechanical Properties
EN10216-2 cold drawn alloy steel tubes exhibit excellent mechanical properties, which make them suitable for various applications. The following table presents the typical mechanical properties for different steel grades:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Energy (J) |
| 16Mo3 | 440-590 | ≥280 | ≥22 | ≥27 |
| 13CrMo4-5 | 440-590 | ≥290 | ≥22 | ≥27 |
| 10CrMo9-10 | 450-600 | ≥280 | ≥22 | ≥27 |
Steel Grade and Application
EN10216-2 cold drawn alloy steel tubes are available in various steel grades to suit different application requirements. Here are some commonly used grades and their applications:
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16Mo3: This steel grade is commonly used for manufacturing heat exchangers, boilers, and pressure vessels operating at elevated temperatures.
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13CrMo4-5: It is suitable for applications involving high-temperature service, such as power generation equipment, steam boilers, and pipelines.
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10CrMo9-10: This steel grade finds application in power plants, petrochemical plants, and refineries due to its high-temperature resistance and corrosion resistance.
Other Steel Grades and Applications
In addition to the previously mentioned grades, EN10216-2 cold drawn alloy steel tubes are available in several other steel grades, each catering to specific applications. Here are a few more grades and their corresponding applications:
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14MoV6-3: This grade is commonly used in the production of power plant equipment, such as steam turbines and superheaters, where high-temperature resistance and creep strength are required.
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X10CrMoVNb9-1: Primarily used in the construction of advanced power plants and high-pressure steam boilers, this grade offers exceptional resistance to corrosion, oxidation, and high-temperature environments.
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X20CrMoV11-1: Suited for applications involving the manufacturing of heat exchangers, reactors, and pressure vessels, this grade offers excellent creep resistance and high-temperature strength.
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X11CrMo5+I: Known for its good weldability and resistance to high-temperature corrosion, this grade is widely used in industries such as petrochemical, chemical, and power generation.
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