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O1 1.2510 SKS3

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Cold Working Tool Steel O1 1.2510 SKS3 flat bar

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Specificații

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.


Aplicații:

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.


COMPOZIȚIE

CMnSi
Cr
W
0.94
1.200.30
0.500.50


Specificații:

       

Răspunsul la tratament termic
Răcit cu aer de laHRC
1425F(774︒C),30 minute62
1450F(788︒C),30 minute64
1475F(802︒C),30 minute65
1500F(816︒C),30 minute65
1600F(871︒C),30 minute64


INSTRUCȚIUNI DE TRATARE TERMICA

CALITIRE

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

Preîncălzire: Se încălzește la o viteză care nu depășește 400°F pe oră (222°C pe oră) la 1200-1300°F (649-704°C) și se egalizează.

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

Înmuiați timp de 30 de minute pentru primul inch (25.4 mm) de grosime, plus 15 minute pentru fiecare inch suplimentar (25.4 mm).


Stingerea: Se stinge uleiul la o temperatură nu mai mică de 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.


Temperare: 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.


recoacerea în

Recoacerea trebuie efectuată după prelucrarea la cald și înainte de reîntărire.

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.


ArticolDimensiuni (mm)ProcesConditii de livrare
Bar platT 3.0-20 XW 20-100Laminate la caldSuprafață neagră și recuit


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