2 # Edifici, zona P5 Quan Shui, districte de Ganjingzi, Dalian, Xina

Tots els pobles
EN
Truca'ns

+ 86-411-39641370

Envia un correu

vicente@konsond.com

H13 1.2344 SKD61

Inici>Productes>Acers per a eines de treball en calent>H13 1.2344 SKD61

H13 1.2344 SKD61 barra plana

contacti'ns

Especificacions

H13 Tool Steel is a versatile chromium-molybdenum hot work steel that is widely used in hot work and cold work tooling applications. The hot hardness (hot strength) of H13 resists thermal fatigue cracking which occurs as a result of cyclic heating and cooling cycles in hot work tooling applications. Because of its excellent combination of high toughness and resistance to thermal fatigue cracking (also known as heat checking) H13 is used for more hot work tooling applications than any other tool steel.

Because of its high toughness and very good stability in heat treatment, H13 is also used in a variety of cold work tooling applications. In these applications, H13 provides better hardenability (through hardening in large section thicknesses) and better wear resistance than common alloy steels such as 4140.

Also available as Electro-Slag-Remelted (ESR) and Vacuum-Arc-Remelted (VAR) products as well. The remelting processes provide improved chemical homogeneity, refinement of carbide size, and the associated improvements in mechanical properties and fatigue properties.

APLICACIONS:Insercions, nuclis i cavitats per a matrius de fosa a pressió, mànigues de fosa a pressió, matrius de forja en calent, matrius d'extrusió i cavitats i components de motlle de plàstic que requereixen una alta duresa i una excel·lent polisabilitat.

COMPOSICIÓ

C

Mn

Si

Cr

Mo

V

0.40

0.40

1.00

5.25

1.35

1.00


Conductivitat tèrmica

Temperatura︒F

Btu / h-ft︒F

Temperatura︒C

W / m︒C

80

10.17

27

17.6

400

13.52

204

23.4

800

14.5

427

25.1

1200

15.49

649

26.8

PROPIETATS FÍSIQUES

· Densitat: 0.280 lb/in3 (7750 kg/m3)

· Gravetat específica: 7.75

· Mecanització: 65-70% d'un 1% d'acer al carboni

Mòdul d’elasticitat

Temp︒F

Modulus psi×10-6

Temp︒C

Mòdul Gpa

70

30.0

21

206.8

200

29.0

93

199.9

400

27.0

204

186.2

600

28.5

316

196.5

800

27.5

427

189.6

1000

23.0

538

158.6

 

Coeficient d’expansió tèrmica (47-48 HRC)

Temperatura︒F

in/in︒F×10-6

Temperatura︒C

mm/mm︒C×10-6

80-200

5.8

21-93

10.4

80-400

6.3

21-204

11.3

80-800

6.9

21-316

12.4

80-1200

7.3

21-427

13.1

80-1500

7.5

21-538

13.


1492431268787984


INSTRUCCIONS DE TRACTAMENT DE LA CALOR

ENDURAMENT

TEMPERATURA CRÍTICA :

Ac1: 1544 ℃)

Ac3: 1634 ℃)

AR1: 1475 ℃)

AR3: 1418 ℃)

Precalentament: To minimize distortion in complex tools use a double preheat. Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1150-1250°F (621-677°C), equalize, then raise to 1500-1600°F (816-871°C) and equalize. For normal tools, use only the second temperature range as a single preheating treatment.

Austenitizing (High Heat): Heat rapidly from the preheat. Furnace or Salt: 1800-1890°F (982-1032°C) For maximum toughness, use 1800°F (982°C) For maximum hardness and resistance to thermal fatigue cracking and wear use 1890 (1032°C). Soak at temperature for 30 to 90 minutes.

Apagat: Air, pressurized gas, or warm oil. Section thicknesses up to and including 5 inches (127 mm) will typically fully through harden when cooled in still air from the austenitizing treatment. Sections greater than 5 inches (127 mm) in thickness will require accelerated cooling by using forced air, pressurized gas, or an interrupted oil quench to obtain maximum hardness, toughness and resistance to thermal fatigue cracking.

For pressurized gas quenching, a minimum quench rate of approximately 50°F per minute (28°C per minute) to below 1000°F (538°C) is required to obtain the optimum properties in the steel.

Per a l'oli, apagueu fins que estigui negre, uns 900 °F (482 °C), després refredeu-lo amb aire tranquil a 150-125 °F (66-51 °C).

Temperament: Temper immediately after quenching. The typical tempering range is 1000-1150°F (538-621°C). Hold at the tempering temperature for 1 hour per inch (25.4mm) of thickness, but for 2 hours minimum, then air cool to ambient temperature. Double tempering is required. To maximize toughness and tool performance, a third temper is often used as a stress relief after all finish machining, grinding, and EDM work are completed on the tool.

ANNEALITZACIÓ

El recuit s’ha de realitzar després de treballar en calent i abans de tornar a endurir-se.

Heat at a rate not exceeding 400°F per hour (222°C per hour) to 1575-1625°F (857-885°C), and hold at temperature for 1 hour per inch 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 of235 HBS.


ArticleDimensió (mm)procésCondició d’entrega
Barra RodonaDIA1.0 - 30Estirat en fred / Mòlta sense centresBrillant i Recuit
DIA20 - 80peelingBrillant i Recuit
DIA 13-180Enrotllat en calentSuperfície negra i recuit
DIA 70 - 400Enrotllat en calentSuperfície negra i recuit
Barra planaT 3.0-20 XW 20-100Enrotllat en calentSuperfície negra i recuit
BloquejarT 20-200 X 300-800Laminat en calent i forjat en calentSuperfície negra / Màquina i recuit
Rodet de filferroDIA 5.5 - 13Enrotllat en calentSuperfície negra i recuit
FullesT1.0 - 2.5Enrotllat en fredSuperfície negra i recuit
T 2.5 - 8.0Enrotllat en calentSuperfície negra i recuit
Contacta'ns