工字钢

I-beam

形状像 “工” 字，上下翼缘窄而腹板厚，截面形状较为规则。

Shaped like an "I" character, with narrow upper and lower flanges and thick web plates, and a relatively regular cross-sectional shape.

主要用于承受较大弯曲力的结构中，如建筑结构中的梁、柱，桥梁工程中的大梁等。因其具有良好的抗弯性能，能够有效地承受垂直于腹板平面的弯曲载荷。

Mainly used in structures that withstand large bending forces, such as beams and columns in building structures, and large beams in bridge engineering. Due to its excellent bending resistance, it can effectively withstand bending loads perpendicular to the plane of the web plate.

槽钢

channel steel

截面呈凹槽形，一侧有翼缘，另一侧为腹板。

The cross-section is in the shape of a groove, with a flange on one side and a web on the other side.

常用于建筑结构中的檩条、支架等，也可用于机械设备的框架等。槽钢具有较好的侧向稳定性，适用于一些需要承受一定侧向力或偏心载荷的场合。

Commonly used for purlins, brackets, etc. in building structures, and can also be used for frames of mechanical equipment. Channel steel has good lateral stability and is suitable for situations that require bearing certain lateral forces or eccentric loads.

角钢

Angle steel

分为等边角钢和不等边角钢。等边角钢的两个边宽相等，不等边角钢的两个边宽不相等。

Divided into equilateral angle steel and unequal angle steel. The two sides of equilateral angle steel are equal in width, while the two sides of unequal angle steel are not equal in width.

广泛应用于建筑结构、机械制造、车辆制造等领域。可用于制作框架结构、支撑件、加固件等，因其具有较好的抗压和抗弯性能，且便于安装和连接。

Widely used in fields such as building structures, mechanical manufacturing, and vehicle manufacturing. It can be used to make frame structures, supports, reinforcements, etc., because it has good compressive and bending resistance, and is easy to install and connect.

T 型型钢

T-shaped steel

T 型型钢的形状使其在某些方向上具有较好的抗弯和抗剪能力。翼缘和腹板的合理设计，能有效承受不同类型的载荷，可根据具体的工程需求进行优化设计。

The shape of T-shaped steel gives it good bending and shear resistance in certain directions. The reasonable design of flanges and belly plates can effectively withstand different types of loads and can be optimized according to specific engineering requirements.

T 型的形状便于与其他构件进行连接，无论是焊接、螺栓连接还是铆接等方式，都能提供较为稳定的连接点，在钢结构的组装中具有较高的效率。

The T-shaped shape facilitates connection with other components, providing stable connection points through welding, bolt connection, riveting, and other methods, and has high efficiency in the assembly of steel structures.

H 型钢

h-beam

截面形状类似 “工” 字，但与工字钢不同的是，H 型钢的翼缘内外侧平行，腹板厚度相对较薄，截面尺寸更为合理。

The cross-sectional shape is similar to the "I" character, but unlike I-beams, H-beams have parallel flanges on both the inner and outer sides, relatively thinner web plates, and more reasonable cross-sectional dimensions.

主要用于大型建筑结构、桥梁工程、工业厂房等。由于其具有较高的强度和良好的截面性能，能够节省钢材用量，提高结构的承载能力和稳定性。

Mainly used for large building structures, bridge engineering, industrial plants, etc. Due to its high strength and good cross-sectional performance, it can save steel usage, improve the load-bearing capacity and stability of the structure.

钢轨

rail

专门为铁路轨道铺设而设计的型钢，具有特定的形状和尺寸，通常头部较宽，底部较窄，腰部有一定的厚度。

Steel profiles specifically designed for railway track laying, with specific shapes and sizes, typically wider at the head, narrower at the bottom, and a certain thickness at the waist.

其作用是引导列车车轮运行，承受列车的重量和冲击力。钢轨需要具备高硬度、高强度、良好的耐磨性和抗疲劳性能，以保证铁路运输的安全和可靠性。

Its function is to guide the train wheels to run and withstand the weight and impact force of the train. Steel rails need to have high hardness, high strength, good wear resistance, and fatigue resistance to ensure the safety and reliability of railway transportation.

圆钢

round steel

截面为圆形的实心钢材，表面光滑，无明显的棱角和凹槽。

Solid steel with a circular cross-section, smooth surface, and no obvious edges or grooves.

常用于建筑结构中的钢筋混凝土构件配筋、机械制造中的轴类零件、一般的金属制品等。圆钢具有良好的抗压和抗拉性能，且便于加工和连接。

Commonly used for reinforcing reinforced concrete components in building structures, shaft parts in mechanical manufacturing, and general metal products. Round steel has good compressive and tensile properties, and is easy to process and connect.

方钢

square steel

截面为正方形的实心钢材，四个边长度相等，四个角为直角。

Solid steel with a square cross-section, with equal lengths on all four sides and right angles at all four corners.

可用于建筑结构中的支撑、框架，机械制造中的零部件，以及一些装饰工程等。方钢的抗压和抗弯性能较好，且外观整齐美观，适用于一些对形状和尺寸要求较为严格的场合。

Can be used for supporting and framing in building structures, components in mechanical manufacturing, and some decorative projects. Square steel has good compressive and bending resistance, and its appearance is neat and beautiful, making it suitable for occasions with strict requirements for shape and size.

扁钢

Flat steel

截面为矩形，厚度相对较小而宽度较大的钢材。

Steel with a rectangular cross-section and a relatively small thickness but a large width.

常用于建筑结构中的接地母线、构架连接，电气设备中的母线排，以及一些金属制品的制造等。扁钢具有一定的柔韧性和良好的导电性，适用于一些需要传导电流或承受较小弯曲力的场合

Commonly used for grounding busbars in building structures, frame connections, busbar bars in electrical equipment, and the manufacturing of some metal products. Flat steel has a certain degree of flexibility and good conductivity, making it suitable for situations that require conducting current or withstanding small bending forces

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