Material 1.0460

High-temperature constructional steel

C22.8 / ASTM A 105 is an unalloyed quality steel. This steel grade is available from stock either as hot-rolled or forged bars. C22.8 / ASTM A 105 is normalized as well as extensively affirmed as well as C22.8 is available from stock with certificate 3.1 according AD 2000 W13. Mainly it is being used to produce fittings, ball valves or flanges.

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1.0460

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
P250GH ASTM A105 request

Material Category: High-temperature constructional steel

Chemical Composition

C %Si %Mn %P %S %Al %Cr %Cu %Mo %N %Nb %Ni %Ti %V %
0,18 - 0,23max 0,400,30 - 0,90max 0,025max 0,015min 0,0200max 0,30max 0,30max 0,08max 0,012max 0,020max 0,30max 0,03max 0,02

 

Mechanical Properties

DIN EN 10273
Warmgewalzte schweißgeeignete Stäbe aus Stahl für Druckbehälter mit festgelegten Eigenschaften bei erhöhten Temperaturen.
normalgeglühtStreckgrenze (Re)Zugfestigkeit (Rm) Bruchdehnung (A5,65)
<= 50 mm>= 250 N/mm²410 - 540 N/mm²>= 25 %
50 - 100 mm>= 240 N/mm²410 - 540 N/mm²>= 25 %
100 - 150 mm>= 230 N/mm²410 - 540 N/mm²>= 25 %
 
Stäbe
Kerbschlagarbeit KV2 (ISO-V/Charpy-V)		   
WertProbenlagebei Temperatur 
>= 27 Jlängs~ -20 ° C 
>= 40 Jlängs~ 0 ° C 
>= 47 Jlängs~ 20 ° C 
 
0,2% Dehngrenze (Rp0,2)Wertbei Temperatur
<= 50 mm >= 240 N/mm²~ 20 ° C 
<= 50 mm>= 242 N/mm²~ 50 ° C 
<= 50 mm>= 237 N/mm²~ 100 ° C 
<= 50 mm>= 216 N/mm²~ 150 ° C 
<= 50 mm>= 190 N/mm²~ 200 ° C 
<= 50 mm>= 170 N/mm²~ 250 ° C 
<= 50 mm>= 150 N/mm²~ 300 ° C 
<= 50 mm>= 130 N/mm²~ 350 ° C 
<= 50 mm>= 110 N/mm²~ 400 ° C 
<= 50 mm>= 90 N/mm²~ 450 ° C 
50 - 100 mm>= 230 N/mm²~ 20 ° C 
50 - 100 mm>= 234 N/mm²~ 50 ° C 
50 - 100 mm>= 230 N/mm²~ 100 ° C 
50 - 100 mm>= 210 N/mm²~ 150 ° C 
50 - 100 mm>= 185 N/mm²~ 200 ° C 
50 - 100 mm>= 165 N/mm²~ 250 ° C 
50 - 100 mm>= 145 N/mm²~ 300 ° C 
50 - 100 mm>= 125 N/mm²~ 350 ° C 
50 - 100 mm>= 100 N/mm²~ 400 ° C 
50 - 100 mm>= 80 N/mm²~ 450 ° C 
100 - 150 mm>= 220N/mm²~ 20 ° C 
100 - 150 mm>= 224 N/mm²~ 50 ° C 
100 - 150 mm>= 220 N/mm²~ 100 ° C 
100 - 150 mm>= 200 N/mm²~ 150 ° C 
100 - 150 mm>= 175 N/mm²~ 200 ° C 
100 - 150 mm>= 155 N/mm²~ 250 ° C 
100 - 150 mm>= 135 N/mm²~ 300 ° C 
100 - 150 mm>= 115 N/mm²~ 350 ° C 
100 - 150 mm>= 90 N/mm²~ 400 ° C 
100 - 150 mm>= 70 N/mm²~ 450 ° C 

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