Material 1.4948

High-temperature resisting steel and alloy

1.448 is a austenitic stainless steel. The material 1.4948 has very good strength values at elevated temperatures. These properties made of material with its high carbon content. It is also resistant to most acids oxidize. Often this material is used in power plants.

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1.4948

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
X6CrNi18-10 AISI 304H UNS S30409 UNS S304080 SUS302 SUS304HFB SUS304HFB SUS304HTB SUS304HTP request

Material Category: High-temperature resisting steel and alloy

Chemical Composition

C % Si % Mn % P % S % Cr % N % Ni %
0,04 - 0,08 max 1,00 max 2,00 max 0,035 max 0,015 17,00 - 19,00 max 0,100 8,00 - 11,00

 

Mechanical Properties

vergütet
0,2% Dehngrenze
(Rp0,2)		 Zugfestigkeit
(Rm)		 Bruchdehnung
(A 5,65)		 Kerbschlagarbeit
(DVM)		 Kerbschlagarbeit
KV (ISO-V/Charpy-V)		 Zeitstandfestigkeit
10.000 h		 Zeitstandfestigkeit
100.000 h		 Warmfestigkeit bei Temperatur
              ~ 650 °C  
>= 185 N/mm² 500 - 700 N/mm² >= 40 % >= 85 Joule >= 90 Joule       ~ 20 °C
>= 157 N/mm²               ~ 200 °C
>= 127 N/mm²               ~ 300 °C
>= 108 N/mm²               ~ 400 °C
>= 98 N/mm²               ~ 500 °C
>= 88 N/mm²         ~ 191 N/mm² ~ 140 N/mm²   ~ 550 °C
>= 83 N/mm²         ~ 132 N/mm² ~ 89 N/mm²   ~ 600 °C
>= 78 N/mm²         ~ 87 N/mm² ~ 52 N/mm²   ~ 650 °C
>= 69 N/mm²         ~ 55 N/mm² ~ 28 N/mm²   ~ 700 °C
          ~ 34 N/mm² ~ 15 N/mm²   ~ 750 °C

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