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1 2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel properties:Tungsten-chrome-vanadium steel for hardening in oil and possibly in air with very good hardenability, very high firmness during the heat and resistance to the tempering, high resistance to the

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  • Delivery status:Forged 、Q+T 、
  • Surface:Milling 、
  • Standard:Select
  • Shape:Round,Flat,Square,Hexagon,Plate,Sheet,Other

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1.2581(H21, X30WCrV93, SKD5) Hot-Work Mould SteelRange of products
Product typeProductsDimensionProcesses
Plates/SheetsPlates/Sheets0.08-200mm(T)*W*LForging,hot rolling and cold rolling
Steel BarRound Bar,Flat Bar,Square BarΦ8-1200mm*LForging,hot rolling and cold rolling,Cast
Coil/StripSteel Coil/Steel Strip0.03-16.0x1200mmCold-Rolled&Hot-Rolled
Pipes/TubesSeamless Pipes/Tubes,Welded Pipes/TubesOD:6-219mm x WT:0.5-20.0mmHot extrusion,Cold Drawn,Welded

Product Details

Standards DIN AISI JIS ГОСТ
X30WCrV93 1.2581 H21 SKD5 3X2B8Φ

1.2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel properties:
Tungsten-chrome-vanadium steel for hardening in oil and possibly in air with very good hardenability, very high firmness during the heat and resistance to the tempering, high resistance to the hot tempering and good toughness. Further the steel has a lower resistance to tearing of thermal fatigue and higher sensitivity to quick changes of temperature. The steel is not appropriate for tools cooled by water. It is well-workable during the heat and well-workable in the soft-annealed state.

1.2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel Applications
Tools for hot mechanical working such as highly stressed small pressing dies and die inserts especially for die forging of accurate products from the difficult-workable steels and copper alloys, thorns and jaws for forging presses, forgings for swaging, tools for production of rivets, nuts and screws, small extrusion dies (matrices), thorns, pressing discs for extrusion of alloys of non-ferrous metals.

1.2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel Heat Treatment:

Soft annealing

Temperature(°C)

Cooling

Hardness

740 - 780

furnace

max. 241 HB

 

Forging

Temperature(°C)

Cooling

 

 

850 - 1100

furnace

 

 

Hardening

Temperature(°C)

Cooling

Tempering

 

1140 - 1160

oil or air

see tempering diagram


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