38Cr2 1.7003 Alloy Steel Plate

Grade :

38Cr2

Number:

1.7003

Classification:

Alloy special steel

Standard:

EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels

EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering

EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

Chemical composition % of steel 38Cr2 (1.7003): EN 10083-3-2006

C	Si	Mn	P	S	Cr
0.35 - 0.42	max 0.4	0.5 - 0.8	max 0.025	max 0.035	0.4 - 0.6

Mechanical properties of steel 38Cr2 (1.7003)

Nominal diameter (mm):	to 16	16 - 40	40 - 100
Rm - Tensile strength (MPa) (+QT)	800-950	700-850	600-750

Rm - Tensile strength (MPa) (+AC)

600

Nominal diameter(mm): or for flat products thickness: to 8; 8-20; 20-60;	to 16	16 - 40	40 - 100
Re - Upper yield strength or R_p0.2 - 0.2% proof strength (MPa) (+QT)	550	450	350

KV - Impact energy (J) (+QT)

+20°
35

Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60;	to 16	16 - 40	40 - 100
A - Min. elongation Lo = 5,65 √ So (%) (+QT)	14	15	17

Nominal diameter (mm): or for flat products thickness: to 8; 8-20; 20-60;	to 16	16 - 40	40 - 100
Z - Reduction in cross section on fracture (%) (+QT)	35	40	45

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

Brinell hardness (HBW): (+S)	255
Brinell hardness (HBW): (+A)	207

Equivalent grades of steel 38Cr2 (1.7003)

Warning! Only for reference

EU
EN

Germany
DIN,WNr

France
AFNOR

Italy
UNI

38Cr2

38C2

38Cr2