Material 1.7258
Warmfester Baustahl
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Standards
Material Category: Warmfester Baustahl
Chemical Composition
C % | Si % | Mn % | P % | S % | Cr % | Mo % | Ni % |
0,20 - 0,28 | max 0,40 | 0,50 - 0,80 | max 0,035 | max 0,035 | 0,90 - 1,20 | 0,20 - 0,35 | max 0,60 |
Product Specifications
DIN SEW 550 (08/1976)
Mechanical Properties
DIN SEW 550 (08/1976) Stähle für größere Schmiedestücke. Schmiedestücke | ||||||
vergütet | Streckgrenze (Re) | Zugfestigkeit (Rm) | Bruchdehnung (A5, 65) | Kerbschlagarbeit KV (ISO-V/Charpy-V) | Probenlage | bei Temperatur |
<= 250 mm | >= 410 N/mm² | 640 - 790 N/mm² | >= 17 % >= 13 % >= 15 % | >= 48 Joule >= 27 Joule >= 34 Joule | längs quer tangential | ~ 20 ° C ~ 20 ° C ~ 20 ° C |
<= 250 mm | >= 397 N/mm² | ~ 100 ° C | ||||
<= 250 mm | >= 382 N/mm² | ~ 200 ° C | ||||
<= 250 mm | >= 371 N/mm² | ~ 250 ° C | ||||
<= 250 mm | >= 343 N/mm² | ~ 300 ° C | ||||
<= 250 mm | >= 324 N/mm² | ~ 350 ° C | ||||
<= 250 mm | >= 294 N/mm² | ~ 400 ° C | ||||
<= 250 mm | >= 265 N/mm² | ~ 450 ° C | ||||
250 - 500 mm | >= 375 N/mm² | 590 - 740 N/mm² | >= 18 % >= 14 % >= 16 % | >= 48 Joule >= 27 Joule >= 34 Joule | längs quer tangential | ~ 20 ° C ~ 20 ° C ~ 20 ° C |
250 - 500 mm | >= 375 N/mm² | ~ 100 ° C | ||||
250 - 500 mm | >= 333 N/mm² | ~ 200 ° C | ||||
250 - 500 mm | >= 314 N/mm² | ~ 250 ° C | ||||
250 - 500 mm | >= 294 N/mm² | ~ 300 ° C | ||||
250 - 500 mm | >= 275 N/mm² | ~ 350 ° C | ||||
250 - 500 mm | >= 255 N/mm² | ~ 400 ° C | ||||
250 - 500 mm | >= 216 N/mm² | ~ 450 ° C |
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