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17CrMoV10 Steel
Steel name: 17CrMoV10
Diagram No.: 5117
Type of diagram: TTP
DIN designation: 17CrMoV10
Mat. No. (Wr. Nr.) designation: 1.7766
Chemical composition in weight %: 0.15-0.20% C, 0.15-0.35% Si, 0.30-0.50% Mn, max. 0.035% P, max. 0.035% S, 2.70-3.00% Cr, 0.20-0.30% Mo, 0.10-0.20% V
Steel group: Stainless steels
Note: Fig. shows the time-temperature-precipitation diagram of the steel 17CrMoV10. The microstructure of the initial state - i.e. after cooling in air from the austenitizing temperature - is bainitic and contains cementite in small amounts as the only carbide phase. The amount of cementite increases at first with aging time. At longer times, first M7C3 and later MX is precipitated. M7C3 is formed either as globular particles on the grain boundaries or rods within the grains. Compared to these the MX particles are very fine and have the form of thin platelets. With increasing precipitation of the special carbides the cementite is re-dissolved.
Reference: Not shown in this demo version.
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Time-temperature-precipitation diagram of the steel 17CrMoV10. Pretreatment: 950 °C 10 min/air. Click the image to enlarge the diagram.
Disclaimer: The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.