弯曲度：工字钢高度小于或等于400MM时，每米弯曲度不得大于1.5MM，总弯曲度不得大于总长度的0.15%。高度大于400MM时，每米弯曲度不得大于1.0MM，总弯曲度不得大于总长度的0.1%。

Bending degree: when the height of the I-steel is less than or equal to 400MM， the bending degree of each meter must not be more than 1.5MM，圣霖工字钢， and the total bending degree should not be more than 0.15% of the total length. When the height is greater than 400MM， the bending degree of each meter must not be more than 1.0MM， and the total bending degree should not be more than 0.1% of the total length.

工字型钢不论是普通型还是轻型的，由于截面尺寸均相对较高、较窄，故对截面两个主袖的惯性矩相差较大，因此，一般仅能直接用于在其腹板平面内受弯的构件或将其组成格构式受力构件。

I-steel whether ordinary or light， because the section size are relatively high and narrow，圣霖工字钢价格， so the moment of inertia of the main secti*** of the two sleeve is large，圣霖工字钢哪家好， therefore， generally only can be directly used in the web plane bending member or the of lattice stress components.

板材是指一般的压型钢板﹨平板等，都是较薄的钢板，通常都作为屋面或围护墙等用型材是指热轧的﹨冷弯的如工字钢﹨H钢﹨C型钢Z型钢，通常都作主结构用。

Plate refers to the general profiled steel plate， flat plate， etc.， which are thin steel plates，圣霖工字钢采购， usually used as roofing or retaining walls.

Profiles refer to hot rolled cold-formed ones， such as I-steel， ﹨H steel， ﹨C steel and Z section steel， which are usually used for main structure.

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