Mat.No. 1.5752, DIN 14NiCr14, AISI 3310, 3415
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Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI ECN35 745 1.5752 14NiCr14 - 3310, 3415 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.17 max. 0.40 0.55 0.75 - 3.25 - - - DescriptionAlloyed carbon steel. ApplicationsComponents with large cross section requiring high toughness and core strength, e.g., gears, gear shafts, crankshafts. Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: 210...
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Designation by Standards
Brand Name Ravne No. Mat. No. DIN EN AISI ECN35 745 1.5752 14NiCr14 - 3310, 3415 Chemical Composition (in weight %)
C Si Mn Cr Mo Ni V W Others 0.17 max. 0.40 0.55 0.75 - 3.25 - - - Description
Alloyed carbon steel.Applications
Components with large cross section requiring high toughness and core strength, e.g., gears, gear shafts, crankshafts.Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.83
Thermal conductivity [W/m.K]: 34.0
Electric resistivity [Ohm mm2/m]: 0.20
Specific heat capacity[J/g.K]: 0.46Coefficient of Linear Thermal Expansion 10-6 oC-1
20-100oC 20-200oC 20-300oC 20-400oC 20-500oC 11.1 12.1 12.9 13.5 13.9 Continuous Cooling Transformation (CCT) Diagram
Click the image to enlarge the diagram.Time-Temperature Transformation (TTT) Diagram
Click the image to enlarge the diagram.Soft Annealing
Heat to 610-650oC, cool slowly. This will produce a maximum Brinell hardness of 229.Hardening
Case-hardening: 880-980oC, oil (water), warm bath at 160-250oC. Carburising: Salt bath at 580-650oC, case-hardening box, air.
Direct hardening: 880-890oC, oil, hot bath at 160-250oC.
Core refining: 840-880oC, oil, hot bath at 160-250oC.
Case refining: 780-820oC, oil, hot bath at 160-250oC.Normalizing
Normalizing temperature: 850 – 880oC.Tempering
Tempering temperature: 150 – 200oC.Hardenability in the end-quench test
Hardness 1.5 3 5 7 9 11 13 15 20 25 30 35 40 H max. 48 48 48 47 45 44 42 41 38 35 34 34 33 H min. 41 41 41 40 38 36 33 30 24 22 22 21 21 HH max. 48 48 48 47 45 44 42 41 38 35 34 34 33 HH min. 43 43 43 42 40 39 36 34 29 26 26 25 25 HL max. 46 46 46 45 43 41 38 37 33 31 30 30 29 HL min. 41 41 41 40 38 36 33 30 24 22 22 21 21 Forging
Hot forming temperature: 1050-850oC.Machinability
No data.Forms manufactured: Please see the Dimensional Sales Program.
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.
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