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O1 1.2510 SKS3

Início>Produtos>Aço ferramenta para trabalho a frio>O1 1.2510 SKS3

Barra plana de trabalho a frio do aço de ferramenta O1 1.2510 SKS3

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Especificações

O1 steel also is called DIN 1.2510 and JIS SKS3 steel. High content for manganese, chromium and tungsten in 1.2510 steel composition, that could increase the hardening ability. Then the steel does not need to undergo water quenching. After oil cooling and quenching, the hardness could reach 62HRC. O1 tool steel round bar sheet plate was used widely as a cold work mold steel. It is a great material for the blade, metal molds and etc.


Aplicações:

Where greater dimensional stability in heat treatment or improved wear resistance is required, tool steels with higher alloy contents, such as A2 or D2 should be considered. Typical applications for O1 tool steel are Blanking Dies, Drawing Dies, Extrusion Dies, Form Cutters, Forming Dies, Gauges-Special, Lamination Dies, Master Tools, Molding Dies, Paper Knives, Precision Tools, Punches, Reamers, Roll Threading Dies, Screw Dies, Sub-Press Dies, Taps Trimming Dies, etc.


COMPOSIÇÃO

CMnSi
Cr
W
0.94
1.200.30
0.500.50


Especificações:

       

Resposta ao tratamento térmico
Resfriado a ar deHRC
1425F (774︒C),30 minutos62
1450F (788︒C),30 minutos64
1475F (802︒C),30 minutos65
1500F (816︒C),30 minutos65
1600F (871︒C),30 minutos64


INSTRUÇÕES DE TRATAMENTO DE CALOR

ENDURECIMENTO

TEMPERATURA CRITICA:
Ac1: 1350 ° F (732 ℃)Ac3: 1440 ° F (760 ℃)
AR1: 1295 ° F (703 ℃)AR3: 1240 ° F (671 ℃)

Pré-aquecimento: Aqueça a uma taxa não superior a 400°F por hora (222°C por hora) até 1200-1300°F (649-704°C) e equalize.

Austenitizing (High Heat): Heat slowly from the preheat to 1475-1500°F (802-816C)

Mergulhe por 30 minutos para a primeira polegada (25.4 mm) de espessura, mais 15 minutos para cada polegada adicional (25.4 mm).


Têmpera: Resfrie o óleo a uma temperatura não inferior a 150-125°F (66-51°C).

Note: O1 is somewhat prone to quench cracking, especially if there are significant changes in section thickness and sharp internal corners. 

The oil quenching should be performed so that the heat removal is as uniform as possible in all areas of the part being quenched. 

Be sure to remove the part from the oil before the temperature drops to ambient temperature. 

Hot oil at a temperature of 300 to 400°F (149-204°C) is recommended.


Têmpera: Temper immediately after quenching. Do not allow the part to cool below 125°F (51°C). The typical tempering range is 350 - 400°F (177 -204°C). 

Hold at temperature for 1 hour per inch (25.4 mm) of thickness, 2 hours minimum, then air cool to ambient temperature. 

To minimize internal stresses in cross sections greater than 3 inches (76.2 mm) and to improve stability in parts that will be EDM’d after heat treatment, 

a soaking time of 4 to 6 hours at the tempering temperature is strongly recommended.

Cryogenic Treatment: Refrigeration treatments should typically be performed after the temper, and must be followed by a second temper.


ANNEALING

O recozimento deve ser executado após o trabalho a quente e antes do endurecimento.

Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1425 -1450°F (802-816°C), and hold at temperature for 1 hour per inch (25.4mm) 

of maximum thickness; 2 hours minimum. Then cool slowly with the furnace at a rate not exceeding 50°F per hour (28°C per hour) to 1000°F (538°C). 

Continue cooling to ambient temperature in the furnace or in air. The resultant hardness should be a maximum of 212 HBW.


itemDimensão (mm)ExtraçãoCondição de entrega
Flat BarT 3.0-20 XW 20-100Laminados a quenteSuperfície preta e recozimento


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