Quality According to standards Number
C45E
EN 100832: 2006 1.1191
TECHNICAL CARD
GRUPPO LUCEFIN
2012 REVISION ALL RIGHTS RESERVED
Chemical composition C%
Si% Mn% P% S% Cr% Mo% max max max max max 0,420,50 0,40 0,500,80 0,030 0,035 0,40 0,10 ± 0.02 + 0.03 ± 0.04 + 0.005 + 0.005 Cr+Mo+Ni max 0.63% For C45R n° 1.1201, % 0.0200.040 product deviation + 0.005 For C45 n° 1.0503, P% % max 0.045 On request, it may be supplied (Ca) treated and with the addition of lead Pb 0.150.35%
Ni% max 0,40
Product deviations are allowed
Temperature °C Hotforming
Normalizing +N
Quenching +Q
Quenching +Q
Tempering +T
Stressrelieving +SR
1100850
870 air
840 water
860 oil or polymer
540660 air
50° under the temperature of tempering
Soft annealing +A 690 cooling 10 °C/h to 600, then air (HB max 207)
Isothermal annealing +I 810 furnace cooling to 660, then air (HB 160216)
Natural state +U
End quench hardenability test 850 water
Preheating welding
Stressrelieving after welding 550 furnace cooling
250 AC1 735
( HB 169245)
AC3 780
MS 350
Mechanical properties C45E C45R Hotrolled mechanical properties in normalized condition EN 100832: 2006 size d / Testing at room temperature (longitudinal) mm R Re a) A% C% Kv 2 2 from to N/mm min N/mm min. min. min. J min. 16/ 620 340 14 16/ 100/ 580 305 16 100/ 250/ 560 275 16 d = diameter
C45E C45R Hotrolled mechanical properties in quenched an tempered condition EN 100832: 2006 size d / Testing at room temperature (longitudinal) mm R Re a) A% C% Kv 2 2 from to N/mm N/mm min min. min. J min 16/ 700850 490 14 35 16/ 40/ 650800 430 16 40 25 40/ 100/ 630780 370 17 45 25 a) Re upper yield strength or, if no yield phenomenon occurs, Rp 0.2 has to be considered d = diameter Table of tempering values obtained at room temperature on rounds of Ø 10 mm after quenching at 850 °C in water °C R N/mm2 HRC HB 100 2330 58 615 200 2240 57 597 1880 52 510 300 400 1390 43 401 500 1030 33 311 600 810 23 242 °C R Rp 0.2 A 2 2 N/mm N/mm % 620 740 480 22 650 600 400 23 700 540 320 24
Hardness condition on bars quenched in water
A = diameter 13 mm B = diameter 25 mm C = diameter 50 mm D = diameter 75 mm E = diameter 100 mm F = diameter 130 mm ●
hardness check points
Mf 120
C45E 1.1191 C45R 1.1201 Colddrawn +C size mm
EN 102775: 2008 Hotrolled + PeeledReeled +SH c) EN 102775: 2008 Testing at room temperature (longitudinal) Testing at room temperature (longitudinal) a) a) R Rp 0.2 A% R Rp 0.2 A% HB from to N/mm2 N/mm2 min min N/mm2 N/mm2 min min 5 b) 10 7501050 565 5 10 16 7101030 500 6 16 40 6501000 410 7 580820 172242 40 63 630900 360 8 580820 172242 63 100 580850 310 8 580820 172242 a) for flats and special sections, yield point can be 10% and tensile strength can be ± 10% b) for thickness < 5 mm, mechanical properties should be agreed before order placement c) values valid also for +C+SL and +SH+SL c)
EN 102775: 2008 pr. ISO/CD 68318: 2012 Hotrolled, quenched and tempered, colddrawn +QT +C c) Colddrawn + quenching and tempering +C +QT c) size mm Testing at room temperature (longitudinal) Testing at room temperature (longitudinal) R Rp 0.2 A% R Rp 0.2 A% Kv +20 °C 2 2 2 2 from to N/mm N/mm min min N/mm N/mm min min J min b) 5 10 8501050 595 8 10 16 8101010 565 8 16 40 750950 525 9 650800 430 16 25 40 63 650850 455 10 630780 370 17 25 63 100 650850 455 11 630780 370 17 25 b) for thickness < 5 mm, mechanical properties should be agreed before order placement c) values valid also for +QT+C+SL and +C+QT+SL Testing at room temperature (longitudinal) LUCEFIN experience Colddrawn +QT diameter R Rp 0.2 A% Kv + 20 °C 2 2 mm N/mm N/mm min min J 56 675 429 22,6 605060 C45E 1.1191 Forged normalized EN 102502: 2001 size Testing at room temperature mm R Re c) 2 from to N/mm min N/mm2 min 100 580 305 100 250 560 275 250 500 540 240 500 1000 530 230
A% min L 16 16 16 15
Colddrawn + QT + Colddrawn R Rp 0.2 A% 2 2 N/mm N/mm min min 704 570 23,6
A% min T
A% min Q
Kv +20 °C J min L
Kv + 20 °C J 4536 8
Kv +20 °C J min T
12 12 11
C45E 1.1191 Forged quenched and tempered EN 102502: 2001 size d / Testing at room temperature mm R Re c) A% A% A% 2 2 from to N/mm min N/mm min min L min T min Q 100/ 630 370 17 100/ 250 590 340 18 12 250/ 500/ 540 320 17 11 L = longitudinal T = tangential Q = radial c) Re upper yield strength or, if no yield phenomenon occurs, Rp 0.2 has to be considered d = diameter
18 15 12
10 10 10
Kv +20 °C J min L 25 22 20
Kv +20 °C J min T
15 12
C45E C45R EN 100832: 2006 Jominy test HRC grain size 5 min. mm distance from quenched extremity min max
1
2
3
4
5
6
7
8
9
10
11
13
15
55 62
51 61
37 61
30 60
28 57
27 51
26 44
25 37
24 34
23 33
22 32
21 31
20 30
20
25
30
H normal
EUROPE
ITALY
CHINA
GERMANY
FRANCE
U.K.
RUSSIA
USA
EN
UNI
GB
DIN
AFNOR
B.S.
GOST
AISI/SAE
C45E
C45
45
Ck45
XC48
080M46
45
1045
C45E Thermal Expansion
106 ● K1
►
11.1 205 78
12.1 195 74
12.9 185 71
Mod. of Elasticity long. 220 Mod. of Elasticity tang. 88 Specific Heat Capacity J/(Kg●K) 460 Thermal Conductivity W/(m●K) 50 3 Density Kg/dm 7.85 Specific Electric Resist. Ohm●mm2/m 0.12 Electrical Conductivity Siemens●m/mm2 8.33 °C 20 100 200 300 The symbol ►indicates temperature between 20 °C and 100 °C, 20 °C and 200 °C …
Heat treatment
Temperature (+ …°C) 20 200 300 284 235
+QT Ø < 150 mm +N +N +U 591 +SR 336 +N 370 +QT 462 +U 0.23 +SR 0.09 +N 0.15 +QT 0.13 +U 2407 +SR 599 +N 952 +QT 1078 +U 774 +SR 519 +N 1267 +QT 1405 +U 0.06 +SR 0.04 +N 0.14 +QT 0.11 +U 0.11 +SR 0.12 +N 0.42 +QT 0.61 +U 0.37 +SR 0.42 +N 0.53 +QT 0.55 +N 190 +QT 265 1) Creep rupture strength +U = natural +N = normalized
min. values 350 400 206
13.5 175 67155 59
13.9
14.1
400
500
600
Data under fatigue 450
100 55
500
70 35
600
Yield stress Rp 0.2 N/mm2 EN 10269: 01 Creep rupture, 10.000 h N/mm2 1) Creep rupture, 100.000 h N/mm2 1) Cyclic yield strength, σ y’ N/mm2 low cycle number Cyclic strength exponent, n’ low cycle number
Cyclic strength coefficient, K ’ N/mm2 low cycle number Fatigue strength coefficient, σ f ’ N/mm2 low cycle number Fatigue strength exponent, b low cycle number
Fatigue ductility coefficient, g f ’ low cycle number
Fatigue ductility exponent, c low cycle fatigue
Fatigue limit, σ L ’ N/mm2 high cycle fatigue +QT = uenched and tempered
+SR = stressrelieved
Kv values obtained on hotrolled 130 mm round; LUCEFIN experience +QT induction for R 743 N/mm2 Rp 421 N/mm2 A% 26 C% 58 J 50 – 57 60 36 – 33 40 32 – 41 28 °C +20 0 20
14 – 24 24 40
16 – 26 14 60
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.
