DIN1.2080/SKD1/K100/KW-5  hot forged high carbon tool steel round bar

1.Chemical composition %: 

C	Si	Mn	Cr	Ni	Cu
			Equal or less than
2.00~2.30	≤0.40,	≤0.40,	11.50~13.00	0.30	0.30

 

 

 

 

2.Size and shape:

Rounds: φ 60-500mm

Flats: Thickness 20-250 X Width 60-800mm

3.Heat treatment ( reference ) :

Annealed

annealing temperature°C	Isothermal annealing temperature°C	Isothermal annealing time H	Hardness HB
830-860	720-740	3-4	217-267

Quenching: 950-980°C,oil cooling, Hardness 61-68HB

Tempering temperature and Hardness:

Tempering °C	100	200	300	400
HRC	64	62	57	50

 

4.Delivery condition:

EAF+LF+VD+(ESR), rolled / forged, annealed / Q+T, black/peeled/turned, UT tested

5.Characteristics:

1.good wear resistance and compressive strength

2.resistance to plastic deformation

3. good hardenability  

6.Application:

used for making small impact, high quality wear cold-punching moulds, like: stretch form moulds, punching moulds.