P20 / 1.2311 steel plate 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.