Material datasheet for steel 1.2343

Characteristics of steel

This steel is one of the Hot Work steel, Chromium type tool steels. It is relatively low in carbon content and has good toughness and deep hardens by air quench from heat treatment. Good combination of toughness, hardness and wear resistance in hot. Resistance to softening and to cracking. This steel can be produced also as ESU, or ESR, means electroslag remelted steel with high structure purity for highly stressed products.

Suitability of steel use

This steel is often used for highly stressed structural parts such as aircraft landing gear. It resists softening at temperatures up to 537 °C while retaining good ductility and toughness even at strength levels on the order of 275 ksi. Tools for hot forging of light metal. Pressure die casting tools. Dies, mandrels, punchers, knives, moulds. This grade can be water cooled. For most highest requirements we recommended 1.2343 EFS.

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Manufacturer’s specific sheet

Chemical composition of steel

Jakost oceli	C	Mn	Si	Cr	W	Mo	V	Ni	P	Co	S
DIN / EN X38CrMoV51	0,36-0,42	0,30-0,50	0,90-1,20	4,80-5,50		1,10-1,40	0,25-0,50		0,035max.		0,035 max.
ČSN 19552	0,32-0,42	0,20-0,50	0,80-1,20	4,50-5,50		1,10-1,60	0,35-0,60		0,030 max.		0,030 max.

Steel hardness

Tepelné zpracování	HB	HRC	Stav dodání
Žíháno na měkko	max. 230		A
Zušlechtěno		min. 50

Heat treatment

Kování

900-1100 °C

Následně nechat ochlazovat v popelu, velké bloky / průměry pozvolna v peci

Žíhání na měkko

760-780 °C

Prohřát a následně pomalu ochlazovat v peci.

Žíhání na odstranění pnutí

600-650 °C

Prohřátí, 1-2 hod. podržet. Následně pomalu vychladnout v peci

Kalení v oleji

1000-1050 °C

Postupné ochlazovat v oleji nebo v horké lázni , vakuum, inertní plyn

Popouštění

550-600 °C

Ochlazovat na vzduchu, popouštění se řídí dle popouštěcího diagramu / dle tabulky popouštěcích hodnot

Tempering values depending on hardness

°C	100	200	300	400	500	600	700
HRC	53	52	52	52	54	48	31
N/mm2	1845	1790	1790	1790	1910	1570	970

Supply options

Choose from a range of steels. Other dimensions on request, from central stock or new production.

In stock 20 dimensions

Bar – Round

Forged, For hot work.

W.nr	1.2343
ČSN	19 552
DIN-EN	X38CrMoV5-1
Stav dodání	+A / EFS

Specifications and dimensions (22)

In stock 16 dimensions

Bar – Round

Hot rolled, For hot work.

W.nr	1.2343
ČSN	19 552
DIN-EN	X38CrMoV5-1
Stav dodání	+A / EFS

Specifications and dimensions (16)

In stock 1 dimension

Block

Forged, For hot work.

W.nr	1.2343
ČSN	19 552
DIN-EN	X38CrMoV5-1
Stav dodání	+A / ESR

Specifications and dimensions (1)

In stock 2 dimensions

Block

Forged, For hot work.

W.nr	1.2343
ČSN	19 552
DIN-EN	X38CrMoV5-1
Stav dodání	+A / EFS

Specifications and dimensions (2)