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H21 1.2581 SKD5

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Hot Work Tool Steels H21 1.2581 SKD5 round bar

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quaternu di carichi

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


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.



quaternu di carichi:

1.2581(H21, SKD5) Hot-Work Mould Steel 

Trattamentu termale: 

Soft annealingTemperatura (° C)capellidurezza
740 - 780fornumax. 241 HB
ForgingTemperatura (° C)capelli
850 - 1100fornu
EndurecenteTemperatura (° C)capelliTempering
1140 - 1160oil or airsee tempering diagram


•   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

ItemDimensione (mm)prucessuCundizione di consegna
Ronda BarDIA 1.0 - 30Disegnu à fretu / rettifica senza centruBright & Anneal
DIA 20 - 80sbucciaturaBright & Anneal
DIA 13-180Rolled HotSuperficie nera & Anneal
DIA 70 - 400Rolled HotSuperficie nera & Anneal

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