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H21 1.2581 СКД5

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Hot Work Tool Steels H21 1.2581 SKD5 wire wod

Контакты

Характеристики

AISI H21 tool Steel is a high quality Hot work tool steel, It belong to the high quality high carbon alloy tool steel.

Oil Quenched & Tempered Hardness is 40-55 HRC. AISI H21 steel Annealing delivery hardness less than 250HB.


Области применения:

H21 Hot work steels are Suitable for the manufacture of complex shapes, impact load, the working temperature is not too high, mold sheet product is suitable for forging press mold, concave and convex die, die casting, hot metal cutting knife, etc. the mass production with aluminum alloy die-casting mould.


СОСТАВ

CSiMn
P
SCu
V
0.26-0.36
0.15-0.5
0.15-0.4
≤0.03≤0.030.250.3-0.6


Технические характеристики:

1.2581(H21) Hot-Work Mould Steels


Термообработка: 

Heat Treatment of SAE/AISI H21 Steel

H21 Steel Annealing

Heat to 885°C, then cool in heat treatment at about 4°C per hour. After annealing Hardness 235 HBS Max.


H21 tool Steel Hardening

Quenching of H21 Steel material

Quenching temperature / ℃ | salt bath furnace: 1177

Quenching temperature / ℃ | controlled atmosphere furnace: 1191

The heat preservation time/min: 5 ~ 15

Закалочная среда: воздушное охлаждение


Tempering Of H21 Steel

Tempering temperature / ℃ : 552

After tempering hardness HRC or higher: 52


ПРЕИМУЩЕСТВО:

•   Resistance for changing of temperature during usage

•   maintain its strength among differ temperature.

•   Resistance to fatigue due to high temperature

•   High strength

•   Resistance to wear and tear

•   Easy to hardening , less in changing of its size/ dimension

•   High properties of heat transferring

•   Resistance on sharp turning of temperature.


НаименованияРазмеры (мм)ОбработкаУсловия доставки
КатанкаДИАМ 5.5 - 13ГорячекатаныйЧерная поверхность и отжиг


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