Transcription of Quality 42CrMo4 - Lucefin
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Quality 42CrMo4 - Lucefin
Quality 42 CrMo4 According to standards EN 10269 (AC: 2008) Number Chemical composition C% Si% max Mn% P% max S% max Cr% Mo% Product deviations are allowed 0,38 0,45 0,40 0,60 0,90 0,025 0,035 0,90 1,20 0,15 0,30 + + + Temperature C Hot forming Normalizing +N Quenching +Q Quenching +Q Tempering +T Stress relieving +SR 1100 850 870 air 860 oil or polymer 850 water 540 680 air 50 under the temperature of tempering Soft annealing +A Isothermal annealing +I Spheroidizing annealing +AC End quench hardenability test Pre heating welding Stress relieving after welding 720 air (HB max 241) 820 furnace cooling to 670, then air (HB 180 240) 730 740 furnace cooling (HB max 200) 840 water 300 550 furnace cooling AC1 AC3 MS Mf 745 790 335 120 Mechanical properties Hot rolled +QT EN 10269 (AC: 2008) size mm Kv and traction test at room temperature in longitudinal R Rp A% C% Kv +20 C Kv 40 C Kv 100 C from to N/mm2.
Quality 42CrMo4 According to standards TECHNICAL CARDEN 10269 (AC: 2008) Number 1.7225
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