Acero AISI M1 / 1.3346 / DIN S2-9-1
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Especificación, química y rendimiento mecánico
Designación por normas
| XNUMX- Cuales serian las circunstancias por las cuales tu producto cambiaria de precio? (Obligatorio - Publico) | Ravne No. | Estera. No. | DIN | EN | AISI |
| BRM1 | 877 | 1.3346 | S2-9, 1 | - | M1 |
Composición química (en% en peso)
| C | Si | Mn | Cr | Mo | Ni | V | W | Otros |
| 0.82 | máx. 0.45 | máx. 0.40 | 3.85 | 8.60 | - | 1.15 | 1.75 | - |
Descripción
M1 is a molybdenum, chromium, vanadium alloy tool steel generally known as a Molybdenum High Speed Tool Steel. It is on of the most widely available tool steels in use today. It is similar in properties to the tungsten tool steels (T series) at a lower. Very tough high-speed Mo steel good grindability.
Aplicaciones
Twist drills, thread cutting tools, hobs and dies for broaching and cold flow pressing, cross recess dies for screw manufacture, cold rolling for e.g. Sendzimir equipment.
Propiedades físicas (valores promedio) a temperatura ambiente
Módulo de elasticidad [103 x N / mm2]: 217
Densidad [g / cm3]: 8.0
Conductividad térmica [W / mK]: 19.0
Resistencia eléctrica [Ohm mm2/ m]: 0.60
Capacidad calorífica específica [J / gK]: 0.46
Coeficiente de expansión térmica lineal 10-6oC-1
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC | 20-600oC | 20-700oC |
| 11.0 | 11.5 | 11.9 | 12.3 | 12.4 | 12.5 | 12.5 |
Diagrama de transformación continua de enfriamiento (CCT)
Haga clic en la imagen para ampliar el diagrama.
Recocido suave
Calentar a 820-850oC, cool slowly in furnace to 550oC then air. This will produce a maximum Brinell hardness of 262.
Alivio del estrés
Stress relieving to remove machining stresses should be carried out by heating to 600-650oC, holding for one hour at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.
Endurecimiento
0 Harden from a temperature of 1180-1219oC followed by air or oil quenching or warm bath at 550oC. La dureza después del enfriamiento es 64-66 HRC.
Temperamento
Temperatura de revenido: 530 - 560oC, at least 2x for at least 63 HRC.
Tempering Diagram
Haga clic en la imagen para ampliar el diagrama.
Forjando
Temperatura de formación en caliente: 1100-900oC.
Trabajo en frío
This alloy may be cold worked in the annealed condition.
maquinabilidad
M1 is classified as a “medium” machinable alloy. Machining should be accomplished prior to hardening heat treatment followed by finish grinding. It has a rating of 50% that of the water hardening (W group) low alloy tool steels in regard to machinability.
Resistencia a la Corrosión
This is not a corrosion resistant alloy. In use as tooling it is often coated with oil to prevent rusting. A light film of oil. or protective wrapping, is essential to keep it free from corrosion.
Soldadura
Consult the alloy supplier for information on weld procedures.
Formularios fabricados: consulte el Programa de ventas dimensionales.
