Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI HCMO 729 - - - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.27 0.40 0.50 3.05 0.50 - - - - DescriptionAlloyed carbon steel. ApplicationsSpecial purpose production. Component parts for automobile industry where higher toughness is demanded – crankshafts, bolts, screws, etc. Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: 210&n...
Designation by Standards
|Brand Name||Ravne No.||Mat. No.||DIN||EN||AISI|
Chemical Composition (in weight %)
Alloyed carbon steel.
Special purpose production. Component parts for automobile industry where higher toughness is demanded – crankshafts, bolts, screws, etc.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85
Continuous Cooling Transformation (CCT) Diagram
Click the image to enlarge the diagram.
Heat to 680-720oC, cool slowly. This will produce a maximum Brinell hardness of 248.
Harden from a temperature of 860-900oC followed by oil quenching.
Tempering temperature: 540-680oC.
Hot forming temperature: 1100-900oC.
Forms manufactured: Please see the Dimensional Sales Program.
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.