| 序号 No |
钢种大类 Category |
典型牌号 Grade |
规格（mm） Specifications |
执行标准 Standard |
主要用途 Application |
| 1 | 地铁齿轮 | 18CrNiMo7-6 | Ф490mm×120mm | 技术协议 Technical protocol |
主要用于地铁、电力机车减速箱,实现动力传输，驱动车辆前进。 Mainly used for speed reducer of subway electric locomotive,achieve power transmission, drive the vehicle forward. |
| 2 | 动车轴箱体 |
7050 | 830mm×450mm×320m | 技术协议 Technical protocol |
主要用于地铁、动车车辆转向架系统；将车辆载荷包括垂直方向的动载荷传递给车轴，并将来自轮对的牵引力及制动力传至车构架。 Mainly used for bogie system of metro bullet train. Transfer the vehicle load, including the vertical dynamic load, to the axle, and transfer the traction and braking force from the wheelset to the vehicle frame. |
| 3 | 高铁车钩架 High-speed rail bracket |
42CrMoA | 415mm×353mm×300mm | 技术协议 Technical protocol |
主要用于连接机车的车钩和车体底架，实现牵引力传输。 Mainly used to connect the coupler and chassis of locomotive to realize traction transmission. |
| 4 | 机车齿轮毂 Gear hub |
42CrMo4 | Ф720×205mm | 技术协议 Technical protocol |
主要用于内燃机车、电力机车齿轮箱,实现动力传输，驱动车辆前进。 Mainly used for diesel locomotive electric locomotive gearbox, power transmission, driving the vehicle forward. |
| 5 | 平衡机匣 Engine casing |
1Cr11Ni2W2MoV、GH738、GH4169 | Φ500mm×110mm | 技术协议 Technical protocol |
主要用于航空发动机。 Mainly used in aircraft engines. |
| 6 | 涡轮盘（I级、II级） Turbine disk |
GH738 | Φ270mm×140mm Φ450mm×250mm*75mm |
技术协议 Technical protocol |
主要用于航空发动机。 Mainly used in aircraft engines. |
| 7 | 发动机曲轴 Engine crankshaft |
40CrNiMoA、42CrMo 18Cr2Ni4WA 34CrNiMo6 |
2400mm×350mm×350mm | 技术协议 Technical protocol |
主要用于中速柴油发动机。 Mainly used for medium speed diesel engines. |
| 8 | 叉头锻件 Forks |
35CrMo、H13 | 锻件：Φ210mm×230mm 上模Φ270mm×225mm 下模：Φ420mm×Φ250mm×230mm |
技术协议 Technical protocol |
主要用于十字轴式万向联轴器中，使不在同一轴线的两轴等角速连续回转并可靠地传递转矩和运动。 Mainly used in the cross shaft universal coupling to make the two axes which are not in the same axis rotate continuously at constant angular speed and transmit torque and motion reliably. |
| 9 | 阀体 Valve body |
A105、F22、F91、F347H、F316 | 4吋阀体：470mm×240mm×240mm 8吋阀体：830mm×460mm×800mm |
技术协议 Technical protocol |
主要用于火力电站、油气开采等各种系统的管路。 Mainly used for pipeline of various systems such as oil and gas exploitation in thermal power station. |
| 10 | 离心机转鼓 Rotary drum |
F51 | Φ810mm×430mm | 技术协议 Technical protocol |
主要用于离心机、气体流量计、造粒机、磨面机等设备中的转动部件。 Mainly used in centrifuge gas flow meter granulator grinding machine and other equipment rotating parts. |
