类别
Category

主要参数规格
Main parameter
specifications

常用技术标准
Common technical
standards

典型钢种
Typical steel grades

用 途
Applications

台阶轴
Step shaft

Φ50～Φ520mm

GB/T3077, EN10083,
EN10084, JB/T6395

18CrNiMo7-6,17CrNiMo6, 20CrNiMo, 20CrNi2Mo, 20Cr2Ni4, 20CrMnMo, 20CrMnTi, 34CrNiMo6, 30CrNiMo8, 40CrNiMo, 35CrMo, 42CrMo, 38CrMoAl

港口机械, 海工机械的齿轮轴, 传动轴等
Gear shafts, transmission shaft, etc. for port machinery and marine machinery

Φ100～Φ400mm

JB/T3733, JB/T4120,
JB/T6393

9Cr2Mo, 70Cr3Mo, MC3, MC5, etc.

冶金轧钢机械的轧辊, 支承辊, 矫直辊
Rolls, supporting rolls and straightening rolls for metallurgic steel rolling machinery

Φ100～Φ400mm

Specific standard专用标准

AMS 6418

矿山机械的潜孔钻头
Down-the-hole drills for mining machinery

Φ50～Φ520mm

Specific standard专用标准

18CrNiMo7-6HH, 34CrNiMo6, 42CrMoS4

高铁列车、轨道交通的电机转轴等
Motor rotation shafts for high speed trains and rail transit

≤Φ (□) 450mm

API Spec 6A, 20B

AISI4130, 30CrNi2.5MoV

石油机械
Petroleum machinery