Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:5 m.t.
Supply Capability:100000 m.t./month
1.2311 Steel Round Bar
Grade: 3Cr2Mo/P20/1.2311/Bp20
Characteristic
1, Good hardenability.
2, Polished good performance
3, Good mechanical properties.
4, Section's hardness is uniform.
Chemical composition of 3Cr2Mo
| C | Si | Mn | Cr | Mo | P | S |
| 0.28~0.40 | 0.20~0.80 | 0.60~1.00 | 1.40~2.00 | 0.30~0.55 | ≤0.030 | ≤0.030 |
Specification
Round bar | Diameter (mm) | Length (mm) | |
50~500 | 2000~5800 | ||
plate/sheet | Thickness (mm) | Width (mm) | Length (mm) |
20~400 | 80~1000 | 2000~5800 |
Steel Surface
Steel Sharp | Surface treatment |
Round bar | Black /Grinding / Polished / Peeled / Turned |
steel plate | Black / Milling / Machined |
Application
1. 3Cr2Mo is suitable for making medium and large,sophishticated long-life plastic mold steel.
2. 3Cr2Mo is suitable for manufacturing low melting point alloy die casting and heavy mold main components.
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 |
Company equipment
smelting equipment : 3 and 4 tons induction furnaces;electric slag furnaces of 0.5t,1t,3t,5t,especially 3 and 5 tons electric slag
furnaces which feature both unipolar and bipolarity series functions.etc.
Processing equipments : electric hydraulic hammer; supporting equipments, gas producer, reheating furnace, gas annealing
furnace, electric annealing saw, etc.
Detective equipments : functions of chemical annalysis, physics property and mechnical property, etc.
