{"id":18261,"date":"2026-09-14T06:07:35","date_gmt":"2026-09-13T22:07:35","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18261"},"modified":"2026-10-16T16:17:39","modified_gmt":"2026-10-16T08:17:39","slug":"hot-work-tool-steel-softening-resistance","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/hot-work-tool-steel-softening-resistance\/","title":{"rendered":"Gr\u00e1fico de resist\u00eancia ao amolecimento de H13, H21, H23, H26 (HRC)"},"content":{"rendered":"

Resist\u00eancia ao amolecimento do a\u00e7o ferramenta para trabalho a quente<\/h1>\n\n\n\n

Como quatro a\u00e7os para ferramentas de trabalho a quente — H13, H21, H23 e H26 — mant\u00eam sua dureza ap\u00f3s 100 horas em temperaturas de 480 a 760 °C. Estes s\u00e3o os dados de “resist\u00eancia ao revenimento” por tr\u00e1s da vida \u00fatil de matrizes de trabalho a quente: quanta dureza uma matriz ret\u00e9m durante longa exposi\u00e7\u00e3o ao metal quente.<\/p>\n\n\n\n

Tipo<\/th>Dureza original, HRC<\/th>480
\u00b0C (900 \u00b0F)<\/th>		540
\u00b0C (1000 \u00b0F)<\/th>		595
\u00b0C (1100 \u00b0F)<\/th>		650
\u00b0C (1200 \u00b0F)<\/th>		705
\u00b0C (1300 \u00b0F)<\/th>		760
\u00b0C (1400 \u00b0F)<\/th><\/tr><\/thead>
H13<\/td>50.2<\/td>48.7<\/td>45.3<\/td>29.0<\/td>22.7<\/td>20.1<\/td>13.9<\/td><\/tr>
41.7<\/td>38.6<\/td>39.3<\/td>27.7<\/td>23.7<\/td>20.2<\/td>13.2<\/td><\/tr>
H21<\/td>49.2<\/td>48.7<\/td>47.6<\/td>37.2<\/td>27.4<\/td>19.8<\/td>15.2<\/td><\/tr>
36.7<\/td>34.8<\/td>34.9<\/td>32.6<\/td>27.1<\/td>19.8<\/td>14.9<\/td><\/tr>
H23<\/td>40.8<\/td>40.0<\/td>40.6<\/td>40.8<\/td>38.6<\/td>33.2<\/td>25.8<\/td><\/tr>
38.9<\/td>38.9<\/td>38.0<\/td>38.0<\/td>37.1<\/td>32.5<\/td>25.6<\/td><\/tr>
H26<\/td>51.0<\/td>50.6<\/td>50.3<\/td>47.1<\/td>38.4<\/td>26.9<\/td>21.3<\/td><\/tr>
42.9<\/td>42.4<\/td>42.3<\/td>41.3<\/td>34.9<\/td>26.4<\/td>21.1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n