C45E(1.1191)/1045 / Ck45 / S45C / XC45 / 080M46 CFS8 / C45K / 45H / 1672 / C45E4

C45E

Application Information

Weldability: Due to the medium-high carbon content it can be welded with some precautions. Hardenability: It has a low hardenability in water or oil; fit for surface hardening that gives this steel grade a high hardness of the hardened shell.

Public Id

C45E - 1.1191

Grade (EU) C45E
Number 1.1191
USA 1045
Germany, DIN Ck45
Japan, JIS S45C
France, ANFOR XC45 XC48H1
England, BS 080M36 CFS8
Italy, UNI C45
Spain, UNE C45k F1140
China, GB 45
Sweden, SS 1672
Finland, SFS C45
Russia, GOST 45
Inter, ISO C45E4

Standards

C45E - 1.1191

EN 10277-5: 2008
EN 10083-2: 2006
EN 10132-3: 2000
EN 10305-1: 2010
EN 10269: 1999
EN 10250-2: 2000
EN 10297-1: 2003

Chemical Composition

C45E - 1.1191

C 0.42 - 0.50
Si max 0.40
Mn 0.50 - 0.80
Ni max 0.40
P max 0.030
S max 0.035
Cr max 0.40
Mo max 0.10



Mechanical Properties

C45E - 1.1191

Nominal thickness to 16 16 - 100 100 - 250 250 - 500 500 - 1000
Rm - Tensile strength (MPa) (+N) 620 580 560 540 530
Nominal thickness 0.3 - 3
Rm - Tensile strength (MPa) (+A) 570
Nominal thickness 0.3 - 3
Rm - Tensile strength (MPa) (+CR) 1020
Nominal thickness 5 - 10 10 - 16 16 - 40 40 - 63 63 - 100
Rm - Tensile strength (MPa) (+C) 750 - 1050 710 - 1030 650 - 1000 630 - 900 580 - 850
Nominal thickness to 8 8 - 20 20 - 50 50 - 80
Rm - Tensile strength (MPa) (+QT) 700 650 630 600

C45E - 1.1191

Nominal thickness (mm) to 8 8 - 20 20 - 50 50 - 80
ReH - Minimum yield strength (MPa) (+QT) 490 430 370 340

C45E - 1.1191

Nominal thickness (mm) to 16 16 - 100 100 - 250 250 - 500 500 - 1000
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+N)
340 305 275 240 230
Nominal thickness (mm) 0.3 - 3
Rp0.2 0.2% proof strength (MPa) (+A) 455
Nominal thickness (mm) 5 - 10 10 - 16 16 - 40 40 - 63 63 - 100
Rp0.2 0.2% proof strength (MPa) (+C) 565 500 410 360 310

C45E - 1.1191

KV Impact energy (J) transverse (+QT) +20° - 14
KV Impact energy (J) transverse (+QT) +20° - 25-50

C45E - 1.1191

Nominal thickness (mm): 0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A) 18
Nominal thickness (mm): 5 - 10 10 - 16 16 - 40 40 - 63 63 - 100
A - Min. elongation at fracture (%) (+C) 5 6 7 8 8
Nominal thickness (mm) to 8 8 - 20 20 - 50 50 - 80
A - Min. elongation at fracture (%) (+QT) 14 16 17 17

C45E - 1.1191

Nominal thickness (mm) to 16 16 - 100 100 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+N) 14 16 16

C45E - 1.1191

Z - Reduction in cross section on fracture (%) (+QT) 40

C45E - 1.1191

Brinell hardness (HBW) (+S): 255
Brinell hardness (HBW) (+A): 207
Brinell hardness (HBW) (+SH): 172 - 242
Vickers hardness (HV) (+CR) 290
Vickers hardness (HV) (+A) 180