Hot Working Die 2343 Steels Wholesale

High-strength 1.2343 Hot Work Tool Steel

Product Details

Product Features

  •  High thermal fatigue resistance and abrasive resistance and good heat treatment and hardenability;
  •  Good polishing performance, good dimensional stability and heat treatment and hardenability;
  •  Have better isotropic property than conventional melted steel.


Hot work die steel with high thermal resistance and have better isotropic property than conventional melted steel.

Chemical Composition



Ingredient(Wt,% )
C Si Mn P S Cr Ni Mo V
2343 0.32-0.42 0.80-1.20 0.30-0.40 ≤0.025 ≤0.02 4.80-5.50 / 1.10-1.40 0.30-0.50

Grades Compariaon

National Standard(GB ) American Standard(AISI) Japanese Standard(Jis) German Standard(DIN )
4Cr5MoSiV H11 SKD 6 1.2343

Chief Application

Die casting die, mold core, insert, thimble; extrusion die, mold core, die cushion, lining, hot pressing molding of aluminum, copper and magnesium; plastic mould, cold punching, trimming, hot shear, tightener ring and abrasive resistance.

Cavity Ejector Pin Bush


Physical Properties

Thermal Expansion 



20~1 00°C 20~200°C 20 〜300°C 20~500°C
11 11.9 12.4 13





20°C 200°C 300°C 700°C
39.6 41.6 41.8 40.3

Metallographic Structure(Annealing)


Continuous Cooling Transition(CCT)Map Tempering Curve

Steel Display