Hot work tool steel H13  (Forging)

Round bars:  Dia. 50mm-500mm  

Length 6000mm

Flat steel: Thickness 16mm-100mm 

Width 100-600mm 

Length 3500mm

The similar grades of foreign countries

GB：4Cr5MoSiV1            AISI：H13

JIS：SKD61                          DIN： 1.2344

Chemical Composition(GB)

C  0.32-0.42       Cr  4.75-5.50        Si  0.80-1.20

Mo  1.10-1.75    V   0.80-1.20      Mn  0.20-0.50

P    0.030                S    0.030

Delivery condition: Annealed

Hardness after anneal:  229 HBS

Surface condition: Black or machined light

Performance

H13 die steel has excellent heat strength and hardness, high abrasive resistance and toughness,good hardening properties; high dimensional stability at heat treatment,also pretty good property of resistance to cold and hot fatigue.