1.5217 chemical element composition content (%)
1.5217 mechanical properties.
1.5217 is a high-quality alloy steel material, which is mainly composed of carbon (C), manganese (Mn), silicon (Si), molybdenum (Mo), chromium (Cr), cobalt (Co), phosphorus (P), sulfur (S) and iron (Fe). It has excellent wear resistance, corrosion resistance, high temperature resistance, high strength and high toughness, and is widely used in industrial production.
I.1Parameters of 5217 are introduced.
1.The main parameters of 5217 are as follows:
Chemical composition: c 020，mn≤0.70，si≤0.35，mo≤0.50，cr≤1.00，co≤0.25，p≤0.035，s≤0.035, FE margin.
Hardness: 241HB
Tensile strength: 690MPa
Yield strength: 590MPa
Elongation at break: 10%.
II.1Metallographic structure and material structure of 5217.
1.The metallographic structure of 5217 is mainly bainite and residual austenite, of which the volume fraction of bainite is greater than or equal to 90%. The structure of the material is a mixture of martensite and bainite.
III. 1Characteristics and mechanical properties of 5217.
1.The 5217 has the following characteristics:
1.Good wear resistance: due to the addition of alloying elements, 15217 has excellent abrasion resistance and can be used for a long time in harsh environments.
2.Corrosion resistance: 15217 can resist the erosion and oxidation of a variety of chemical media, and has good corrosion resistance.
3.High temperature resistance: 15217 is able to maintain stable performance at high temperatures and is not prone to deformation and cracking.
4.High strength and toughness:15217 has high strength and toughness, and is able to withstand high-strength loads and shock loads.
IV. 15217 processing technology.
1.Plate processing: 1The plate processing of 5217 mainly includes cold rolling, hot rolling and cold drawing processes, among which cold rolling and hot rolling are suitable for large-size and large-thickness plate processing, and cold-drawing is suitable for small-size and thin-thickness plate processing.
2.Round bar processing: 1The round steel processing of 5217 mainly includes forging and seamless pipe processing, among which forging is suitable for large-size, high-strength round steel processing, and seamless pipe processing is suitable for small-size, high-precision round steel processing.
3.Forging processing: 1The forging processing of 5217 mainly includes forging and forging ring processing and other processes, among which forging is suitable for large-size, high-strength forging processing, and forging ring processing is suitable for small-size, high-precision forging processing.
V.1Experimental methods and conclusions of 5217.
Experimental Methods:1Metallurgical microscope observation: Yes 1The metallographic structure and material structure of 5217 were observed and analyzed.
2.Tensile test: Yes 15217 is tested for mechanical properties, including tensile strength, yield strength, and elongation at break.
3.Impact test: Yes 15217 is tested for impact resistance, including impact strength and absorption.
Conclusion:15217 has good wear resistance, corrosion resistance, high temperature resistance, high strength and high toughness, and is widely used in industrial production. Its processing technology includes a variety of processes such as plate processing, round steel processing and forging processing, which can meet the needs of different fields. In terms of experiments, methods such as metallographic microscope observation, tensile test and impact test can be used to evaluate 1The performance of the 5217 was tested and analyzed.