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H21 1.2581 SKD5

Acasă>Produse>Oțeluri pentru unelte de lucru la cald>H21 1.2581 SKD5

Hot Work Tool Steels H21 1.2581 SKD5 block

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Specificații

Tungsten hot-work steels are of different types, namely, H21 to H26 types. These steels have similar characteristics to that of high-speed steels. The primary alloying elements in tungsten hot-work steels include tungsten, chromium, carbon, and vanadium. They are resistant to distortion when they are air-hardened, and have higher hardening temperature when compared to chromium hot-work steels. Breakage of the tungsten hot-work steels can be reduced if they are preheated to operating temperature before use. Thermal shock resistance and toughness of these steels can be improved by reducing the carbon content.


Aplicații:

The H21 tungsten hot-work tool steels are mainly used for hot-working dies and toolings, e.g., die casting, extrusion and hot-forming of parts.


COMPOZIȚIE

CSiMnPSCu
V
0.26-0.36
0.15-0.5
0.15-0.4
≤ 0.03≤ 0.030.250.3-0.6


Specificații:

Proprietăți mecanice

Proprietăţi metric Imeprial 
Hardness, HRC40.0-55.040.0-55.0
Modulul în vrac 140GPa20300ksi
Modul de forfecare80.0GPa11600ksi
Poisson's ratio(2.5°C)0.27-0.30.27-0.3
Modul elastic190-210 GPa27557-30458ksi


Avantaj:

1. High strength structural steels.

2. High hardness and toughness.

3 high hardenability.


ArticolDimensiuni (mm)ProcesConditii de livrare
BlocaT 20-200 X 300-800Laminat la cald și forjat la caldSuprafață neagră / Machine & Anneal


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