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O1 1.2510 SKS3

Home>Products>Acciaiu di Strumenti di travagliu à Fretu>O1 1.2510 SKS3

O1 1.2510 SKS3 bloccu

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O1 Tool Steel is the original oil-hardening, “non-shrinking” tool steel that can be hardened to the Rockwell C 65 range from a low austenitizing temperature. O1 is a general-purpose tool steel that is typically used in applications where alloy steels cannot provide sufficient hardness, strength, and wear resistance.

TIPI: 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.

COMPOSITION

C

Mn

Si

Cr

W

0.94

1.20

0.30

0.50

0.50

PROPRIETÀ RELATIVE

1492433770224674

Coefficient of Thermal Expansion (63-64 HRC)

Température ︒F

in/in︒F×10-6

Température ︒ C

mm/mm︒C×10-6

100-500

5.96

38-260

10.73

100-800

7.14

38-427

12.85

100-1000

7.84

38-538

14.11

100-1200

8.02

38-649

14.44

PROPRIETÀ FISICHE

· Densità: 0.283 lb/in3 (7833 kg/m3)

· Gravità Specifica: 7.83

· Modulus of Elasticity: 31 x 106 psi (214GPa)

· Machinability: 85-90% di un 1% acciaio carboniu

1492433836447736

Risposta à u trattamentu termale

Air Cooled da

HRC

1425F (774︒C), 30 minuti

62

1450F (788︒C), 30 minuti

64

1475F (802︒C), 30 minuti

65

1500F (816︒C), 30 minuti

65

1600F (871︒C), 30 minuti

64

ISTRUZIONI DI TRATTAMENTO CALORE

DURRITURA

TEMPERATURA CRITICA :

Ac1: 1350 ° F (732 ℃)

Ac3: 1440 ° F (760 ℃)

AR1: 1295 ° F (703 ℃)

AR3: 1240 ° F (671 ℃)

Priscaldamentu: Scaldate à un ritmu micca più di 400 ° F per ora (222 ° C per ora) à 1200-1300 ° F (649-704 ° C) è equalize.

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

Soak for 30 minutes for the first inch (25.4 mm) of thickness, plus 15 minuti per ogni inch supplementu (25.4 mm).

Tempu: Quench l'oliu à una temperatura micca menu di 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.

Temperatura: 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.

RINCITURA

L'annullamentu deve esse realizatu dopu à u travagliu caldu è prima di rinfurzà.

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.

ItemDimensioni (mm)prucessuCundizione di consegna
Ronda BarDIA 1.0 - 30Disegnu à fretu / rettifica senza centruBright & Anneal
DIA 20 - 80sbucciaturaBright & Anneal
DIA 13-180Rolled HotSuperficie nera & Anneal
DIA 70 - 400Rolled HotSuperficie nera & Anneal
Pianu BarT 3.0-20 XW 20-100Rolled HotSuperficie nera & Anneal
BloccuT 20-200 X 300-800Laminato a caldo e forgiato a caldoSuperficie nera / Machine & Anneal
Rod RodDIA 5.5 - 13Rolled HotSuperficie nera & Anneal
FullesT1.0 - 2.5Ghjuvatu fridduSuperficie nera & Anneal
T 2.5 - 8.0Rolled HotSuperficie nera & Anneal
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