工字鋼

I-beam

形狀像 “工” 字，上下翼緣窄而腹板厚，截面形狀較為規則。

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

主要用于承受較大彎曲力的結構中，如建筑結構中的梁、柱，橋梁工程中的大梁等。因其具有良好的抗彎性能，能夠有效地承受垂直于腹板平面的彎曲載荷。

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.

槽鋼

channel steel

截面呈凹槽形，一側有翼緣，另一側為腹板。

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

常用于建筑結構中的檁條、支架等，也可用于機械設備的框架等。槽鋼具有較好的側向穩定性，適用于一些需要承受一定側向力或偏心載荷的場合。

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.

角鋼

Angle steel

分為等邊角鋼和不等邊角鋼。等邊角鋼的兩個邊寬相等，不等邊角鋼的兩個邊寬不相等。

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.

廣泛應用于建筑結構、機械制造、車輛制造等領域。可用于制作框架結構、支撐件、加固件等，因其具有較好的抗壓和抗彎性能，且便于安裝和連接。

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 型型鋼

T-shaped steel

T 型型鋼的形狀使其在某些方向上具有較好的抗彎和抗剪能力。翼緣和腹板的合理設計，能有效承受不同類型的載荷，可根據具體的工程需求進行優化設計。

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 型的形狀便于與其他構件進行連接，無論是焊接、螺栓連接還是鉚接等方式，都能提供較為穩定的連接點，在鋼結構的組裝中具有較高的效率。

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 型鋼

h-beam

截面形狀類似 “工” 字，但與工字鋼不同的是，H 型鋼的翼緣內外側平行，腹板厚度相對較薄，截面尺寸更為合理。

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.

主要用于大型建筑結構、橋梁工程、工業廠房等。由于其具有較高的強度和良好的截面性能，能夠節省鋼材用量，提高結構的承載能力和穩定性。

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.

鋼軌

rail

專門為鐵路軌道鋪設而設計的型鋼，具有特定的形狀和尺寸，通常頭部較寬，底部較窄，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.

其作用是引導列車車輪運行，承受列車的重量和沖擊力。鋼軌需要具備高硬度、高強度、良好的耐磨性和抗疲勞性能，以保證鐵路運輸的安全和可靠性。

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.

圓鋼

round steel

截面為圓形的實心鋼材，表面光滑，無明顯的棱角和凹槽。

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

常用于建筑結構中的鋼筋混凝土構件配筋、機械制造中的軸類零件、一般的金屬制品等。圓鋼具有良好的抗壓和抗拉性能，且便于加工和連接。

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.

方鋼

square steel

截面為正方形的實心鋼材，四個邊長度相等，四個角為直角。

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

可用于建筑結構中的支撐、框架，機械制造中的零部件，以及一些裝飾工程等。方鋼的抗壓和抗彎性能較好，且外觀整齊美觀，適用于一些對形狀和尺寸要求較為嚴格的場合。

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.

扁鋼

Flat steel

截面為矩形，厚度相對較小而寬度較大的鋼材。

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

常用于建筑結構中的接地母線、構架連接，電氣設備中的母線排，以及一些金屬制品的制造等。扁鋼具有一定的柔韌性和良好的導電性，適用于一些需要傳導電流或承受較小彎曲力的場合

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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