P20 / 1.2311 / 618 steel round bar 1.Flat:20-90*305-610mm 2.Prehardened,forged,rolled condition 3.Hardeness:28~34HRC

P20 / 1.2311 / 3Cr2Mo / 618 Plastic Mould Steel Round Bar Description:

Grade:

AISI P20/DIN1.2311/3Cr2Mo/PDS-3/618

Chemical Composition:

Composition(%) Product	C	Si	Mn	Cr	Mo	S	P
P20	0.28-0.40	0.20-0.80	0.60-1.00	1.40-2.00	0.30-0.55	≤0.03	≤0.03

Delivery Condition:

Forged + Annealed + Machining (Peeled/Turned)

Annealed Hardness: HB≤235

Quenching Hardness: HRC = 28~35

 

Available sizes:

Round bar size:  60-300mm

Thickness: 20-300mm

Width: 185-2200mm

Length: 2000-5800mm

 

 Application :

Because of their high hardness when they were finished, their polishing, wear-resistance, tensile strength and compressive strength are more better. This kind of steel is apply to the mould of high polishing and high demand and the plastic of PA, POM, PS, PE, PP, ABS.

Physical properties:

Thermal conductivity:

Temperature/°c	20	100	200	300	400
Thermal conductivityλ/W•(m•K)¯¹	36.0	33.4	31.4	30.1	29.3

Coefficient of expansion:

Temperature/°C	18~100	18~200	18~300	18~400	18~500	18~600	18~700
Coefficient of expansion/°C-1	11.9*10-6	12.20*10-6	12.5*10-6	12.81*10-6	13.11*10-6	13.41*10-6	13.71*10-6

 

Packing situation:

Standard seaworthy packing or as customer required.

 

 Delivery time:  

15 days after order confirmed.

  

 Payment:

T/T or L/C at sight.