Quality 1.2344 Chemical Composition Temperature °c

Transcript

  According to standards Number   Supply conditions: Annealed        0,350,42 0,801,20 0,250,50 ± 0.02 ± 0.05 ± 0.04 Product deviations are allowed  max 0,030 + 0.005     1050900 heating up to 800, pause, then 10201080 oil, polymer, s.b. (HRC ~ 55)     820 furnace 880 furnace cooling to 780, cooling pause, then furnace cooling (HB max 229) to 750, then air s.b. = salt bath (450500 °C)   after quenching at  560 543  55 54 2  N/mm 2070 2010 Tempering at    max 0,020 + 0.005      4,805,50 ± 0.10  see table  immediately after quenching minimum   860900 cool 22 °C/h in furnace to 480 then raplidly in air (HB 192229) 1040 °C in oil. Values on Ø 20 mm 525 512 504 512 525 53 52 51.5 52 53 1950 1880 1850 1880 1950      TECHNICAL CARD GRUPPO LUCEFIN REVISION 2013 ALL RIGHTS RESERVED   1,201,50 ± 0.05   0,851,15 ± 0.05   600650 furnace cooling to 350, then air   350   830 915 543 54 2010  577 56 2160   10.0 10.7 10.8 11.3 106● K1 ►  long.GPa 210 205  tang. GPa 80 78 +QT N/mm2    0.2 N/mm2 1460 +QT N/mm2    0.2 N/mm2 1060  J/(Kg●K) 461 479  W/(m●K) 19.2 20.1 3  Kg/dm    7.74  Ohm●mm2/m 0.543 0.638 2  Siemens●m/mm 1.84 1.57       The symbol ►indicates temperature between 100 °C and 0 °C, 100 °C and 20 °C … Stressrelieving must be done after machining and before quenching   650 furnace cooling   300 80 577 56 2160  11.8 198 75  512 52 1880  455 48 1640  390 42 1340  301 32 1010  12.7 182 69 1300 1100 1000 800 536 25.1 13.0 173 66 1100 900 850 650 558 25.8 13.2 499 22.4 12.3 191 73 1400 1200 1120 900 517 24.0 0.705 1.42  0.782 1.28  0.868 1.15  0.96 1.04  1.06 0.94  800 600 580 420 587 26.1 Nitriding in gaseous ammonia. The material should be hardened and tempered at min. 580 °C before nitriding  Time  Depth of hardening  Surface hardness   10 0,125 1000  1250  20 0,180 1000  1250  40 0,250 1000  1250  60 0,300 1000  1250   EN X40CrMoV51      X40CrMoV51 4Cr5MoSiV1 SKD 61 XT35Cr5MoV1 STD 61 DIN GB JIS IS  KS  GOST 4Ch4VMFS   good resistance to thermal shoc and heat cracing  good mechanical characteristics and toughness in hot condition, constant hardness throughout the production cycle  excellent machinability, high micropurity level, good suitability for polishing and photoengraving  possibility to carry out welding operation with TIG (Tungsten Inert Gas) or MMA (Manual Metal Arc) methods  possibility of coating with PVD or PA/CVD methods, flame/induction hardening and nitriding  applications   AISI/SAE H 13   Round bars, oil quenched from 1010 °C and double tempered tempering       temperature  N/mm2 N/mm2 % % J HRC  1960 1570 13,0 46,2 16,0 a)  1835 1530 13,1 50,1 24,0 50  1730 1470 13,5 52,4 27,0 a)  1580 1365 14,4 53,7 28,5 46  1495 1290 15,4 54,0 30,0 a)  on the bars in a)   HRC °C °F  425 800 540 1000 595 1100 650 1200  425 800 540 1000 595 1100 650 1200  425 800 540 1000 595 1100 650 1200  N/mm2 1620 1305 1020 450 1400 1160 940 455 1200 995 827 450 Longitudinal of bar tempered at different temperatures HRC of the bars Tempering at room temperature temperature    54  7 14 52  7 14 47  8 24 43  9.5 24    N/mm2 1240 1000 825 340 1150 960 750 350 1005 820 690 350 (J)  37 30 41 52  % 13,7 13,9 17,5 28,9 15,0 17,1 18,0 33,6 17,0 20,6 22,6 28,4  31 34 45 60 Resistance to combinations of heat, pressure and abrasion to softening by forming operations at high temperatures  after 100 hours of exposure to heat Exposure at °C 480 540 595 650 705 Hardness at room temp. HRC = 50.2       % 50,6 54,0 65,4 88,9 59,9 62,4 68,5 89,0 64,1 70,0 74,0 87,6  34 43 57 760 () The data contained herein are intended as reference only and are subject to constant change. Lucefin s.P.A. Disclaims any and all liability for any consequences that may result from their use.