Material 1.4542

Stainless steel

1.4542 is a stainless hardenable martensitic chrome-nickel steel, stabilized with niobium.This steel grade reaches a very high yield strength in acured condition. Based on its good properties i.ee. the wear ressistance and the good corrosion resistance it can be found in a wide range of industries, i.e. the aircraft or aerospace industry or the plant engineeringg. It iss being delivered either in solution annealed or hardened condition. In a hardened condition it is being delivered and defined in several strength levels with associated mechanical properties.

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1.4542

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
X5CrNiCuNb16-4 AISI 630 UNS S17400 SUS630 SUS630FB SUSF630 request

Material Category: Stainless steel

Chemical Composition

C % Si % Mn % P % S % Cr % Cu % Mo % Ni % -
max 0,07 max 0,70 max 1,50 max 0,040 max 0,015 15,00 - 17,00 3,00 - 5,00 max 0,60 3,00 - 5,00 Nb 5xC - 0,45

 

Mechanical Properties

ausgehärtet bei ~ 550 ° C
0,2% Dehngrenze (Rp0,2) bei Temperaturen
 >= 880 MPa ~ 100 ° C
>= 830 MPa ~ 150 ° C
 >= 800 MPa ~ 200 ° C
>= 770 MPa ~ 250 ° C
>= 750 MPa ~ 300 ° C
ausgehärtet bei 550 - 760 ° C Zugfestigkeit (Rm) 800 - 1.270 MPa
angelasse bei ~ 550 ° C 0,2 % Dehngrenze (Rp0,2) Zugfestigkeit (Rm) Bruchdehnung (A5, 65) Probenlage
 <= 100 mm >= 1.000 MPa 1.070 - 1.270 MPa >= 10 % längs

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