Material 1.4935

High-temperature resisting steel and alloy

The material 1.4935 is a highly heat-resistant martensitic steel. This steel can be used up to a maximum temperature of about 650 °C / 1202 °F. Typical apllication for the turbine is 1.4935.

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
X20CrMoWV12-1	AISI 422 UNS S42200				request

Material Category: High-temperature resisting steel and alloy

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	Mo %	Ni %	V %	W %
0,17 - 0,24	0,10 - 0,50	0,30 - 0,80	max 0,025	max 0,015	11,00 - 12,50	0,80 - 1,20	0,30 - 0,80	0,20 - 0,35	0,40 - 0,60

Mechanical Properties

vergütet
0,2% Dehngrenze (Rp0,2)	Zugfestigkeit (Rm)	Bruchdehnung (A 5,65)	Kerbschlagarbeit (DVM)	Zeitstandfestigkeit 1.000 h	Zeitstandfestigkeit 10.000 h	Zeitstandfestigkeit 100.000 h	Warmfestigkeit	bei Temperatur
							~ 580 °C
>= 590 N/mm²	780 - 930 N/mm²	>= 14 %	>= 34Joule					~ 20 °C
>= 539 N/mm²								~ 100 °C
>= 490 N/mm²								~ 200 °C
>= 441 N/mm²								~ 300 °C
>= 373 N/mm²								~ 400 °C
>= 216 N/mm²								~ 500 °C
>= 137 N/mm²				~ 275 N/mm²	~ 210 N/mm²	~ 140 N/mm²		~ 550 °C
				~ 157 N/mm²	~ 108 N/mm²	~ 59 N/mm²		~ 600 °C

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