Material 1.4845

Heat-resisting steel

The material 1.4845 is a heat-resistant austenitic steel. This material is resistant to scaling up to a maximum temperature of about 1050 °C / 1922 °F. 1.4845 has good strength properties at high temperatures.

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
X8CrNi25-21 X12CrNi25-21	AISI 310S UNS S31008		X6CrNi2521	SUS310S SUS310SFB SUS310STB SUS310STP SUS310TF SUS310TB SUSY310S SUH310	request

Material Category: Heat-resisting steel

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	N %	Ni %
max 0,10	max 1,50	max 2,00	max 0,045	max 0,015	24,00 - 26,00	max 0,100	19,00 - 22,00

Mechanical Properties

DIN EN 10095 (12/2018 (05/1999)) Hitzebeständige Stähle und Nickellegierungen.
Zeitdehngrenze 1.000 h (Rp 1,0)	Zeitdehngrenze 10.000 h (Rp 1,0)	Zeitstandfestigkeit 1.000 h	Zeitstandfestigkeit 10.000	Zeitstandfestigkeit 100.000 h	bei Temperatur
~ 100 N/mm²	~ 90 N/mm²	~ 170 N/mm²	~ 130 N/mm²	~ 80 N/mm²	~ 600 ° C
~ 45 N/mm²	~ 30 N/mm²	~ 80 N/mm²	~ 40 N/mm²	~ 18 N/mm²	~ 700 ° C
~ 18 N/mm²	~ 10 N/mm²	~ 35 N/mm²	~ 18 N/mm²	~ 7 N/mm²	~ 800 ° C
~ 10 N/mm²	~ 4 N/mm²	~ 15 N/mm²	~ 8,5 N/mm²	~ 3 N/mm²	~ 900 ° C

Stäbe
geglüht	0,2% Dehngrenze (Rp0,2)	1% Dehngrenze (Rp1,0)	Zugfestigkeit (Rm)	Härte [HB]	bei Temperatur
>= 160 mm	>= 210 N/mm²	>= 250 N/mm²	500 - 700 N/mm²	<= 192 HB	~ 20 ° C

Flacherzeugnisse
geglüht	Bruchdehnung (A5, 65)	Probenlage	bei Temperatur
0,5 - 3 mm	>= 28 %	längs	~ 20 ° C
0,5 - 3 mm	>= 28 %	quer	~ 20 ° C
>= 3 mm	>= 30 %	längs	~ 20 ° C
>= 3 mm	>= 30 %	quer	~ 20 ° C

Langerzeugnisse
geglüht	Bruchdehnung (A5, 65)	bei Temperatur
<= 160 mm	>= 35 %	~ 20 ° C

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