{"id":18245,"date":"2026-09-13T20:09:54","date_gmt":"2026-09-13T12:09:54","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=18245"},"modified":"2026-10-25T12:12:00","modified_gmt":"2026-10-25T04:12:00","slug":"tool-steel-hardening-tempering-chart","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/tool-steel-hardening-tempering-chart\/","title":{"rendered":"Tabela de Temperatura de T\u00eampera e Revenimento do A\u00e7o Ferramenta"},"content":{"rendered":"

tabela de t\u00eampera e revenimento de a\u00e7o ferramenta<\/h1>\n\n\n\n

Pr\u00e1tica recomendada de t\u00eampera e revenimento para os principais a\u00e7os-ferramenta AISI \u2014 temperaturas de pr\u00e9-aquecimento e austenitiza\u00e7\u00e3o (t\u00eampera), tempo de perman\u00eancia, meio de resfriamento e temperatura de revenimento, agrupados por fam\u00edlia de a\u00e7o. Os valores s\u00e3o apresentados em \u00b0C e \u00b0F conforme impressos na fonte.<\/p>\n\n\n\n

Tipo<\/th>Taxa de aquecimento<\/th>Endurecimento<\/th>T\u00eampera
meio(a)<\/sup><\/th>		Temperatura de revenimento<\/th><\/tr>
Temperatura de pr\u00e9-aquecimento<\/th>Temperatura de t\u00eampera<\/th>Tempo na temperatura, min<\/th>\u00b0C<\/th>\u00b0F<\/th><\/tr>
\u00b0C<\/th>\u00b0F<\/th>\u00b0C<\/th>\u00b0F<\/th><\/tr><\/thead>
A\u00e7os r\u00e1pidos ao molibd\u00eanio<\/td><\/tr>
M1<\/a>, M7<\/a>, M10<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1175-1220<\/td>2150-2225 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
M2<\/a><\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1190-1230<\/td>2175-2250 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
M3<\/a>, M4, M30, M33, M34, M35<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1205-1230 (b)<\/sup><\/td>2200-2250 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
M36<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1220-1245 (b)<\/sup><\/td>2225-2275 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
M41<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1190-1215 (b)<\/sup><\/td>2175-2220 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (d)<\/sup><\/td>1000-1100 (d)<\/sup><\/td><\/tr>
M42<\/a><\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1190-1210 (b)<\/sup><\/td>2175-2210 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>510-595 (d)<\/sup><\/td>950-1100 (d)<\/sup><\/td><\/tr>
M43<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1190-1215 (b)<\/sup><\/td>2175-2220 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>510-595 (d)<\/sup><\/td>950-1100 (d)<\/sup><\/td><\/tr>
M44<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1200-1225 (b)<\/sup><\/td>2190-2240 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-625 (d)<\/sup><\/td>1000-1160 (d)<\/sup><\/td><\/tr>
M46<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1190-1220 (b)<\/sup><\/td>2175-2225 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>525-565 (d)<\/sup><\/td>975-1050 (d)<\/sup><\/td><\/tr>
M47<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1175-1200 (b)<\/sup><\/td>2150-2200 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>525-595 (d)<\/sup><\/td>975-1100 (d)<\/sup><\/td><\/tr>
M48<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1175-1200 (b)<\/sup><\/td>2150-2200 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (d)<\/sup><\/td>1000-1100 (d)<\/sup><\/td><\/tr>
M62<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1175-1200 (b)<\/sup><\/td>2150-2200 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (d)<\/sup><\/td>1000-1100 (d)<\/sup><\/td><\/tr>
A\u00e7os r\u00e1pidos ao tungst\u00eanio<\/td><\/tr>
T1, T2, T4, T8<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815-870<\/td>1500-1600<\/td>1260-1300 (b)<\/sup><\/td>2300-2375 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
T5, T6<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815-870<\/td>1500-1600<\/td>1275-1300 (b)<\/sup><\/td>2325-2375 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-595 (c)<\/sup><\/td>1000-1100 (c)<\/sup><\/td><\/tr>
T15<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815-870<\/td>1500-1600<\/td>1205-1260 (b)<\/sup><\/td>2200-2300 (b)<\/sup><\/td>2-5<\/td>O, A ou S<\/td>540-650 (d)<\/sup><\/td>1000-1200 (d)<\/sup><\/td><\/tr>
A\u00e7os r\u00e1pidos intermedi\u00e1rios<\/td><\/tr>
M50<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1095-1120<\/td>2000-2050<\/td>2-5<\/td>O, A ou S<\/td>525-595<\/td>975-1100<\/td><\/tr>
M52<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1120-1175<\/td>2050-2150<\/td>2-5<\/td>O, A ou S<\/td>525-595<\/td>975-1100<\/td><\/tr>
A\u00e7os para trabalho a quente ao cromo<\/td><\/tr>
H10<\/a><\/td>Moderadamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1010-1040<\/td>1850-1900<\/td>15-40 (e)<\/sup><\/td>A<\/td>540-650<\/td>1000-1200<\/td><\/tr>
H11<\/a>, H12<\/a><\/td>Moderadamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>995-1025<\/td>1825-1875<\/td>15-40 (e)<\/sup><\/td>A<\/td>540-650<\/td>1000-1200<\/td><\/tr>
H13<\/a><\/td>Moderadamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>995-1040<\/td>1825-1900<\/td>15-40 (e)<\/sup><\/td>A<\/td>540-650<\/td>1000-1200<\/td><\/tr>
H14<\/td>Moderadamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1010-1065<\/td>1850-1950<\/td>15-40 (e)<\/sup><\/td>A<\/td>540-650<\/td>1000-1200<\/td><\/tr>
H19<\/a><\/td>Moderadamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1095-1205<\/td>2000-2200<\/td>2-5<\/td>A ou O<\/td>540-705<\/td>1000-1300<\/td><\/tr>
A\u00e7os para trabalho a quente ao tungst\u00eanio<\/td><\/tr>
H21, H22<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1095-1205<\/td>2000-2200<\/td>2-5<\/td>A ou O<\/td>595-675<\/td>1100-1250<\/td><\/tr>
H23<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>845<\/td>1550<\/td>1205-1260<\/td>2200-2300<\/td>2-5<\/td>O<\/td>650-815<\/td>1200-1500<\/td><\/tr>
H24<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1095-1230<\/td>2000-2250<\/td>2-5<\/td>O<\/td>565-650<\/td>1050-1200<\/td><\/tr>
H25<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>815<\/td>1500<\/td>1150-1260<\/td>2100-2300<\/td>2-5<\/td>A ou O<\/td>565-675<\/td>1050-1250<\/td><\/tr>
H26<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>870<\/td>1600<\/td>1175-1260<\/td>2150-2300<\/td>2-5<\/td>O, A ou S<\/td>565-675<\/td>1050-1250<\/td><\/tr>
A\u00e7os para trabalho a quente ao molibd\u00eanio<\/td><\/tr>
H41, H43<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1095-1190<\/td>2000-2175<\/td>2-5<\/td>O, A ou S<\/td>565-650<\/td>1050-1200<\/td><\/tr>
H42<\/td>Rapidamente a partir do pr\u00e9-aquecimento<\/td>730-845<\/td>1350-1550<\/td>1120-1220<\/td>2050-2225<\/td>2-5<\/td>O, A ou S<\/td>565-650<\/td>1050-1200<\/td><\/tr>
A\u00e7os para trabalho a frio com alto teor de carbono e cromo<\/td><\/tr>
D1, D5<\/td>Muito lentamente<\/td>815<\/td>1500<\/td>980-1025<\/td>1800-1875<\/td>15-45<\/td>A<\/td>205-540<\/td>400-1000<\/td><\/tr>
D3<\/a><\/td>Muito lentamente<\/td>815<\/td>1500<\/td>925-980<\/td>1700-1800<\/td>15-45<\/td>O<\/td>205-540<\/td>400-1000<\/td><\/tr>
D4<\/td>Muito lentamente<\/td>815<\/td>1500<\/td>970-1010<\/td>1775-1850<\/td>15-45<\/td>A<\/td>205-540<\/td>400-1000<\/td><\/tr>
D7<\/a><\/td>Muito lentamente<\/td>815<\/td>1500<\/td>1010-1065<\/td>1850-1950<\/td>30-60<\/td>A<\/td>150-540<\/td>300-1000<\/td><\/tr>
A\u00e7os de trabalho a frio, m\u00e9dia liga, endurecimento ao ar<\/td><\/tr>
A2<\/a><\/td>Lentamente<\/td>790<\/td>1450<\/td>925-980<\/td>1700-1800<\/td>20-45<\/td>A<\/td>175-540<\/td>350-1000<\/td><\/tr>
A3<\/td>Lentamente<\/td>790<\/td>1450<\/td>955-980<\/td>1750-1800<\/td>25-60<\/td>A<\/td>175-540<\/td>350-1000<\/td><\/tr>
A4<\/td>Lentamente<\/td>675<\/td>1250<\/td>815-870<\/td>1500-1600<\/td>20-45<\/td>A<\/td>175-425<\/td>350-800<\/td><\/tr>
A6<\/a><\/td>Lentamente<\/td>650<\/td>1200<\/td>830-870<\/td>1525-1600<\/td>20-45<\/td>A<\/td>150-425<\/td>300-800<\/td><\/tr>
A7<\/td>Muito lentamente<\/td>815<\/td>1500<\/td>955-980<\/td>1750-1800<\/td>30-60<\/td>A<\/td>150-540<\/td>300-1000<\/td><\/tr>
A8<\/a><\/td>Lentamente<\/td>790<\/td>1450<\/td>980-1010<\/td>1800-1850<\/td>20-45<\/td>A<\/td>175-595<\/td>350-1100<\/td><\/tr>
A9<\/a><\/td>Lentamente<\/td>790<\/td>1450<\/td>980-1025<\/td>1800-1875<\/td>20-45<\/td>A<\/td>510-620<\/td>950-1150<\/td><\/tr>
A10<\/a><\/td>Lentamente<\/td>650<\/td>1200<\/td>790-815<\/td>1450-1500<\/td>30-60<\/td>A<\/td>175-425<\/td>350-800<\/td><\/tr>
A\u00e7os para trabalho a frio com t\u00eampera em \u00f3leo<\/td><\/tr>
O1<\/a><\/td>Lentamente<\/td>650<\/td>1200<\/td>790-815<\/td>1450-1500<\/td>10-30<\/td>O<\/td>175-260<\/td>350-500<\/td><\/tr>
O2<\/a><\/td>Lentamente<\/td>650<\/td>1200<\/td>760-800<\/td>1400-1475<\/td>5-20<\/td>O<\/td>175-260<\/td>350-500<\/td><\/tr>
O6<\/a><\/td>Lentamente<\/td>\u2014<\/td>\u2014<\/td>790-815<\/td>1450-1500<\/td>10-30<\/td>O<\/td>175-315<\/td>350-600<\/td><\/tr>
O7<\/td>Lentamente<\/td>650<\/td>1200<\/td>790-830
845-885<\/td>		W: 1450-1525
O: 1550-1625<\/td>		10-30<\/td>O ou W<\/td>175-290<\/td>350-550<\/td><\/tr>
A\u00e7os resistentes ao choque<\/td><\/tr>
S1<\/a><\/td>Lentamente<\/td>\u2014<\/td>\u2014<\/td>900-955<\/td>1650-1750<\/td>15-45<\/td>O<\/td>205-650<\/td>400-1200<\/td><\/tr>
S2<\/td>Lentamente<\/td>650 (f)<\/sup><\/td>1200 (f)<\/sup><\/td>845-900<\/td>1550-1650<\/td>5-20<\/td>B ou W<\/td>175-425<\/td>350-800<\/td><\/tr>
S5<\/a><\/td>Lentamente<\/td>760<\/td>1400<\/td>870-925<\/td>1600-1700<\/td>5-20<\/td>O<\/td>175-425<\/td>350-800<\/td><\/tr>
S7<\/a><\/td>Lentamente<\/td>650-705<\/td>1200-1300<\/td>925-955<\/td>1700-1750<\/td>15-45<\/td>A ou O<\/td>205-620<\/td>400-1150<\/td><\/tr>
Mold steels<\/td><\/tr>
P2<\/td>\u2014<\/td>900-925 (g)<\/sup><\/td>1650-1750 (g)<\/sup><\/td>830-845 (h)<\/sup><\/td>1525-1550 (h)<\/sup><\/td>15<\/td>O<\/td>175-260<\/td>350-500<\/td><\/tr>
P3<\/td>\u2014<\/td>900-925 (g)<\/sup><\/td>1650-1700 (g)<\/sup><\/td>800-830 (h)<\/sup><\/td>1475-1525 (h)<\/sup><\/td>15<\/td>O<\/td>175-260<\/td>350-500<\/td><\/tr>
P4<\/td>\u2014<\/td>970-995 (g)<\/sup><\/td>1775-1825 (g)<\/sup><\/td>970-995 (h)<\/sup><\/td>1775-1825 (h)<\/sup><\/td>15<\/td>A<\/td>175-480<\/td>350-900<\/td><\/tr>
P5<\/td>\u2014<\/td>900-925 (g)<\/sup><\/td>1650-1700 (g)<\/sup><\/td>845-870 (h)<\/sup><\/td>1550-1600 (h)<\/sup><\/td>15<\/td>O ou W<\/td>175-260<\/td>350-500<\/td><\/tr>
P6<\/td>\u2014<\/td>900-925 (g)<\/sup><\/td>1650-1700 (g)<\/sup><\/td>790-815 (h)<\/sup><\/td>1450-1500 (h)<\/sup><\/td>15<\/td>A ou O<\/td>175-230<\/td>350-450<\/td><\/tr>
P20<\/a><\/td>\u2014<\/td>870-900 (h)<\/sup><\/td>1600-1650 (h)<\/sup><\/td>815-870<\/td>1500-1600<\/td>15<\/td>O<\/td>480-595 (i)<\/sup><\/td>900-1100 (i)<\/sup><\/td><\/tr>
P21 (j)<\/sup><\/td>Lentamente<\/td>N\u00e3o pr\u00e9-aquecer<\/td>705-730<\/td>1300-1350<\/td>60-180<\/td>A ou O<\/td>510-550<\/td>950-1025<\/td><\/tr>
A\u00e7os especiais de baixa liga<\/td><\/tr>
L2<\/td>Lentamente<\/td>\u2014<\/td>\u2014<\/td>W: 790-845
O: 845-925<\/td>		W: 1450-1550
O: 1550-1700<\/td>		10-30<\/td>O ou W<\/td>175-540<\/td>350-1000<\/td><\/tr>
L3<\/td>Lentamente<\/td>\u2014<\/td>\u2014<\/td>W: 775-815
O: 815-870<\/td>		W: 1425-1500
1500-1600<\/td>		10-30<\/td>O ou W<\/td>175-315<\/td>350-600<\/td><\/tr>
L6<\/a><\/td>Lentamente<\/td>\u2014<\/td>\u2014<\/td>790-845<\/td>1450-1550<\/td>10-30<\/td>O<\/td>175-540<\/td>350-1000<\/td><\/tr>
A\u00e7os Especiais Carbono-Tungst\u00eanio<\/td><\/tr>
F1, F2<\/td>Lentamente<\/td>650<\/td>1200<\/td>790-870<\/td>1450-1600<\/td>15<\/td>W ou B<\/td>175-260<\/td>350-500<\/td><\/tr>
A\u00e7os Endurec\u00edveis em \u00c1gua<\/td><\/tr>
W1, W2, W3<\/td>Lentamente<\/td>565-650 (k)<\/sup><\/td>1050-1200 (k)<\/sup><\/td>760-845<\/td>1400-1550<\/td>10-30<\/td>B ou W<\/td>175-345<\/td>350-650<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n