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H13 1.2344 СКД61

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Hot Work Tool Steels H13 1.2344 round bar

Контакты

Характеристики

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.

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.


Области применения:

Inserts, cores, and cavities for die casting dies, die casting shot sleeves, hot forging dies, extrusion dies, and plastic mold cavities and components that require high toughness and excellent polishability.


СОСТАВ

C
MnSiCr
Mo
VC
0.40
0.401.005.25
1.351.00
0.40


Коэффициент теплового расширения (47-48HRC)
Температура︒Fдюйм/дюйм︒F×10-6Температура︒Смм/мм︒C×10-6
80-2005.821-9310.4
80-4006.321-20411.3
80-8006.921-31612.4
80-12007.321-42713.1
80-15007.521-53813.5


Технические характеристики:Темперирование: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.


ОТЖИГ

Отжиг необходимо проводить после горячей обработки и перед повторной закалкой.

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.

Surface Finish: Black, Rough Machined, Turned or as per given requirements.


Другие инновации 

ПрименениеAustenitizing tempHRC
Severe cold punching, scrap shears1,870-1,885 ° F

50-52

(1,020-1,030 ° С)
Tempering 480°F (250°C)
Hot shearing1,870-1,885 ° F
(1,020-1,030 ° С)50-52
Tempering 480°F (250°C) or
1,070-1,110 ° F45-50
(575-600 ° С)
Shrink rings (e.g. for cemented carbide dies)1,870-1,885 ° F45-50
(1,020-1,030 ° С)
Tempering 1,070-1,110°F
(575–600 ° С)
Износостойкие детали1,870-1,885 ° FОсновные

50-52

Поверхность

~1000HV1


ФИЗИЧЕСКИЕ СВОЙСТВА

· Плотность: 0.280 фунта/дюйм3 (7750 кг/м3)

· Удельный вес: 7.75

· Обрабатываемость: 65-70% 1% углеродистой стали.


Наименования       Размеры (мм)ОбработкаУсловия доставки

Круглый стержень

ДИАМ1.0 - 30Холодное волочение / Бесцентровое шлифованиеЯркий и отжиг
ДИАМ20 - 80ПилингЯркий и отжиг
ДИА 13-180ГорячекатаныйЧерная поверхность и отжиг
ДИАМ 70 - 400ГорячекатаныйЧерная поверхность и отжиг


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