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H21 1.2581 SKD5

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Hot Work Tool Steels H21 1.2581 SKD5 flat bar

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quaternu di carichi

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.


Travaux:

1.High stressed hot work tools,such as mandrels,dies and containers for metal tube and rod extrusion.

2.Hot extrusion tools

3.Tools for manufacture of hollows,screws,rivets,nuts and bolts

4.Die casting tools,forming dies,die inserts,hot shear blades


COMPOSITION

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


quaternu di carichi:

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.


vantaggiu:

1. High hot strength 

2. High retention of hardness

3. High heat checking resistance


ItemDimensione (mm)prucessuCundizione di consegna
Pianu BarT 3.0-20 XW 20-100Rolled HotSuperficie nera & Anneal


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