200*200*16 tɛ̈ɛ̈r tɛ̈ɛ̈r tɛ̈ɛ̈r tɛ̈ɛ̈r tɛ̈ɛ̈r

Calculation de poids

Formula de calcul de poids de tubes quadrées: 4 * thickness de wall * (length de côté - thickness de wall) * 0.00785

Seamless square steel pipe and round steel solid steel such as round steel, in the same bending and torsion strength, the weight is lighter, is a economic section steel, widely used to manufacture structural parts and mechanical parts, such as oil drill, motor drive axle, bicycle frame and steel scaffold used in building construction and so on. Lɔ̈ɔ̈i de kä ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi ye kek looi A looi në ruöön de 2013. Kä ye kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në tɛ̈n yenë kek looi në Steel tubes can be divided into round tubes and shaped tubes according to the cross-section area shapes. Nka tɛ̈n yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen Ku dɛ̈t peei, tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ