| The name of the material: | China's 20 crmnti alloy carburizing steel |
| Material belongs to : | Alloy steel |
| Major producers : | other |
| Physical properties of : | Tensile strength σb (MPa)：≥1080(110) |
| Hardness of supply : | ≤217HB |
| Typical applications : |
Cold work mould when:
1) used in the manufacture of section < 30 mm high, medium or under heavy load, impact and friction of the important parts, such as gear, ring gear, gear shaft crosshead. 2) used for aluminum sets of cold extrusion die, D16 and D20 type aluminum wire rope set of cold extrusion die. Plastic die steel: 1) for small precision cavity insert, can use the surface hardness of carburizing added, improve the wear resistance. 2) by the wear and tear is bigger, the bigger load as well as the production batch larger mold. |
| The description: |
20 crmnti alloy carburizing steel, is the good performance of high hardenability, after carburizing and quenching with the surface of the hard and wear resistant and tough heart, has higher low-temperature impact toughness and weldability medium, after normalizing machinability is good. |