Hot Work Die Steel


Equivalent Standard: DIN 1.2344, 4Cr5MoSiV1, JIS SKD61

Chemical Composition (% Wt.)
1

Process Route

EAF + LF + VD -> Ingot Casting -> ESR (Optional) -> Hot rolling/Forging -> Heat treatment -> Property -> Supply

Physical Properties

aa

ab

Applications

Forging Dies; die casting dies, cores and inserts, shot sleeves, shear blades for hot work, punches, piercers & mandrels for hot work, hot extrusion tooling, all types of dies for hot work involving shock; ultra-high strength structural parts; Plastic moulding dies etc.

Equivalent Standard: DIN 1.2343, 4Cr5MoSiV, JIS SKD6

Chemical Composition (% Wt.)

3

Process Route

 EAF + LF + VD -> Ingot Casting -> ESR (Optional) -> Hot rolling/Forging -> Heat treatment ->  Property -> Supply

 

1

 

2

Applications

 Die Block, die-casting dies. forging dies, shear blades for hot work, punches, piercers & mandrels for hot work, hot extrusion tooling, all types of dies for hot work involving shock, Certain grades used for ultrahigh-strength structural parts; aluminum extrusion, aluminum die casting and forging die applications, for die casing in the cold heading field, wide range of hot work applications etc.

Equivalent Standard: AISI L6, 55CrNiMoV7, JIS SKT4

Chemical Composition (% Wt.)

1a

EAF + LF + VD ->Ingot Casting  -> ESR (Optional) -> Hot rolling/Forging -> Heat treat   -> Property -> SupplyProcess Route

Physical Properties

1b

 

a1 a2

Applications 

Die Block of medium to large size, press dies, forging saddles, die holders, hot forging tools, pressing spindles, shrink rings, armoured trim dies, hydro forming tools, extrusion tools for rod & tube extrusion; rams, bolsters, mandrels, plungers, sleeves, backing plates, chipping beds; extrusion stems, support parts for extrusion tooling die holders, hot mill rolls, hammers and pile drivers, hot punching tools, Hot-shear blades etc.