C50E

Application Information

Not weldable. It can be welded only with particular precautions. It has a bad machinability. 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

C50E - 1.1206

Grade (EU)	C50E
Number	1.1206
USA	1050
Germany, DIN	Ck50
Japan, JIS	S50C
France, ANFOR	XC50
England, BS	080M50 CS50
Italy, UNI	C50
Spain, UNE	C45k
Sweden, SS	1674
Russia, GOST	50
Inter, ISO	C50E4

Standards

C50E - 1.1206

EN 10277-5: 2008

EN 10083-2: 2006

EN 10132-3: 2000

Chemical Composition

C50E - 1.1206

C	0.47 - 0.55
Si	max 0.40
Mn	0.60 - 0.90
Ni	max 0.40
P	max 0.030
S	max 0.035
Cr	max 0.40
Mo	max 0.10

Mechanical Properties

C50E - 1.1206

Nominal thickness	to 16	16 - 100	100 - 250
Rm - Tensile strength (MPa) (+N)	650	610	590
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+A)	580
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+CR)	1050
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+QT)	1050 - 1650
Nominal thickness	5 - 10	10 - 16	16 - 40	40 - 63
Rm - Tensile strength (MPa) (+C)	770 - 1100	730 - 1080	690 - 1050	650 - 1030

C50E - 1.1206

Nominal thickness (mm)	to 16	16 - 100	100 - 250
Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+N)	355	320	290
Nominal thickness (mm)	0.3 - 3
Rp0.2 0.2% proof strength (MPa) (+A)	465
Nominal thickness (mm)	5 - 10	16 - 100	16 - 400	40 - 63
Rp0.2 - 0.2% proof strength (MPa) (+C)	590	520	440	390

C50E - 1.1206

Nominal thickness (mm):	0,3 - 3
A - Min. elongation Lo = 80 mm (%) (+A)	17
Nominal thickness (mm)	5 - 10	10 - 16	16 - 40	40 - 63
A - Min. elongation at fracture (%) (+C)	5	6	7	8

C50E - 1.1206

Nominal thickness (mm)	to 16	16 - 100	100 - 250
A - Min. elongation Lo = 5,65 √ So (%) (+N)	13	14	14

C50E - 1.1206

Brinell hardness (HBW) (+S):	255
Brinell hardness (HBW) (+A):	217
Brinell hardness (HBW) (+SH):	181 - 269
Vickers hardness (HV) (+CR):	295
Vickers hardness (HV) (+A)	180
Vickers hardness (HV) (+QT)	325 - 505