 | ||||
|
Category |
Main parameter |
Common technical |
Typical steel grades |
Applications |
|
Step shaft |
Φ50～Φ520mm |
GB/T3077, EN10083, |
18CrNiMo7-6,17CrNiMo6, 20CrNiMo, 20CrNi2Mo, 20Cr2Ni4, 20CrMnMo, 20CrMnTi, 34CrNiMo6, 30CrNiMo8, 40CrNiMo, 35CrMo, 42CrMo, 38CrMoAl |
Gear shafts, transmission shaft, etc. for port machinery and marine machinery |
|
Φ100～Φ400mm |
JB/T3733, JB/T4120, |
9Cr2Mo, 70Cr3Mo, MC3, MC5, etc. |
Rolls, supporting rolls and straightening rolls for metallurgic steel rolling machinery | |
|
Φ100～Φ400mm |
Specific standard |
AMS 6418 |
Down-the-hole drills for mining machinery | |
|
Φ50～Φ520mm |
Specific standard |
18CrNiMo7-6HH, 34CrNiMo6, 42CrMoS4 |
Motor rotation shafts for high speed trains and rail transit | |
|
≤Φ (□) 450mm |
API Spec 6A, 20B |
AISI4130, 30CrNi2.5MoV |
Petroleum machinery | |
