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O1 1.2510 SKS3

Id-dar>prodotti>Azzar tal-Għodda tax-Xogħol Kiesaħ>O1 1.2510 SKS3

O1 1.2510 Blokk SKS3

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speċifikazzjonijiet
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.

APPLIKAZZJONIJIET: Fejn hija meħtieġa stabbiltà dimensjonali akbar fit-trattament tas-sħana jew reżistenza mtejba għall-ilbies, għandhom jiġu kkunsidrati azzar tal-għodda b'kontenut ogħla ta 'liga, bħal A2 jew D2.

KOMPOŻIZZJONI

C

Mn

Si

Cr

W

0.94

1.20

0.30

0.50

0.50

PROPRJETAJIET RELATTIVI

1492433770224674

Koeffiċjent ta 'Espansjoni Termali (63-64 HRC)

Temperatura︒F

fi/in︒F×10-6

Temperatura︒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

PROPRJETAJIET FIŻIĊI

· Densità: 0.283 lb/in3 (7833 kg/m3)

· Gravità Speċifika: 7.83

· Modulu ta 'Elastiċità: 31 x 106 psi (214GPa)

· Makkinabilità: 85-90% ta 'azzar tal-karbonju ta' 1%.

1492433836447736

Rispons għat-Trattament tas-Sħana

Arja mkessħa minn

HRC

1425F(774︒C),30 minuta

62

1450F(788︒C),30 minuta

64

1475F(802︒C),30 minuta

65

1500F(816︒C),30 minuta

65

1600F(871︒C),30 minuta

64

STRUZZJONIJIET GĦAT - TRATTAMENT TAS - SĦANA

TISĦIĦ

TEMPERATURA KRITIKA :

Ac1: 1350 ° F (732 ℃)

Ac3: 1440 ° F (760 ℃)

AR1: 1295 ° F (703 ℃)

AR3: 1240 ° F (671 ℃)

Sħana minn qabel: Saħħan b'rata li ma taqbiżx 400 ° F fis-siegħa (222 ° C fis-siegħa) għal 1200-1300 ° F (649-704 ° C) u equalize.

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

Xarrab għal 30 minuta għall-ewwel pulzier (25.4 mm) ta 'ħxuna, flimkien ma' 15-il minuta għal kull pulzier addizzjonali (25.4 mm).

Tifi: It-tifi taż-żejt għal temperatura mhux inqas minn 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.

Ittemprar: 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.

ANNESS

L-ittemprar għandu jsir wara xogħol sħun u qabel it-twebbis mill-ġdid.

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.

PuntDimensjoni (mm)ProċessKondizzjoni tal-kunsinna
Bar tondDIA1.0 - 30Tpinġija kiesħa / tħin bla ċentruBright & Anneal
DIA20 - 80TqaxxirBright & Anneal
DIA 13-180Irrumblat bis-sħanaWiċċ iswed u Anneal
DIA 70 - 400Irrumblat bis-sħanaWiċċ iswed u Anneal
Bar ĊattT 3.0-20 XW 20-100Irrumblat bis-sħanaWiċċ iswed u Anneal
BlokkT 20-200 X 300-800Hot Rolled & Hot FalsifikatiWiċċ iswed / Magna & Anneal
Virga tal-wajerDIA 5.5 - 13Irrumblat bis-sħanaWiċċ iswed u Anneal
FoljiT1.0 - 2.5Irromblati kesħinWiċċ iswed u Anneal
T 2.5 - 8.0Irrumblat bis-sħanaWiċċ iswed u Anneal
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