2 # Zgrada, P5 zona Quan Shui, okrug Ganjingzi, Dalian, Kina

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H21 1.2581 SKD5

Početna>Proizvodi>Čelici za vruće radne alate>H21 1.2581 SKD5

Čelik za vrući radni alat H21 1.2581 SKD5 okrugla šipka

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Specifikacije

Round bar steel ,dia 50 mm -- 1000 mm

Square steel, 70 mm -- 1000 mm

Flat steel /module, thickness 80 mm --800 mm ,width 300 mm -- 2000 mm

Different Forging: Step Shaft/Tube/Pie-shaped/Ring/Module/Large va es of the main/Other Profiled forgings Delivery Condition:EF+LF+VD+Hot Forging+Annealing/Normalizing/Tempering/Quenching and tempering/Solution/Aging/Slow Cooling

Surface Quality: Black Surface/Grinding Surface/Roughing/Finish Machining


Aplikacije:

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.


SASTAV

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


Specifikacije:

1.2581(H21, SKD5) Hot-Work Mould Steel 


Termičku obradu: 

Soft annealingTemperatura (° C)hlađenjetvrdoća
740 - 780pećimax. 241 HB
kovanjeTemperatura (° C)hlađenje
850 - 1100peći
OtvrdnjavanjeTemperatura (° C)hlađenjeKaljenje
1140 - 1160oil or airsee tempering diagram


prednost:

•   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.

•   Can do direct cooling by water

•   Can do nitriding to enhance surface hardness


stavkaDimenzija (mm)procesUslov isporuke
Round BarDIA1.0 - 30Hladno crtanje / Brušenje bez centraBright & Anneal
DIA20 - 80PilingBright & Anneal
DIA 13-180Vruće valjanoCrna površina i žarenje
DIA 70 - 400Vruće valjanoCrna površina i žarenje


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