1.Material:q235,q345,HRB335,HRB400,HRB500,etc
2.Size: 12-300mm
3.Length:8-12
2.Size: 12-300mm
3.Length:8-12
1.Grade: AISI 1045 DIN 1.1191 JIS S45C GB 45
2.Size: dia 20-650mm length 2000-6000mm
3.Chemical composition:(%)
| C | Si | Mn | P | S | Cr |
| 0.50 | 0.25 | 0.80 | ≤0.030 | ≤0.030 | 0.02 |
4.Factory state: Hot rolled or forged. Annealed hardness≤215 .Black surface or as your requirement.
5.Characteristic: Kind of in the high-quality carbon steel with higher strength. The annealing and normalizing machinability than quenched and tempered.
6.Application: For the manufacture of high strength requirements parts, such as gears, shafts, piston pin and the uneven force big machining parts, forgings, stampings and bolts, nuts, pipe joint.
7.Process flow: Electric arc furnace melting→Refining furnace → Vacuum treatment furnace → Cast ingot → Steel ingot anneal → Heating → High-speed forging,refining forging → Anneal,retarded cooling,air cooling → Quenching and tempering tretment → Finishing operation → Text → Finished products