Tubus quadratus nigerEx lamina chalybis frigida vel calida laminata per sectionem, soldaduram, aliasque operationes fit. Per has operationes, tubus quadratus niger magnam firmitatem et stabilitatem habet, et pressionem et onera maiora sustinere potest.
nomen: Tubus ferreus quadratus et rectangulus
materia: Q195, Q215, Q235
Diametros externum tubi quadrati: 15*15, 20*20, 25*25, 30*30, 35*35, 40*40, 50*50, 60*60, 70*70, 80*80, 90*90, 100*100, 110*110, 120*120, 130*130, 140*140, 150*150
crassitudo parietis: 0.5mm-25mm
Tubus rectangulusDiametros exteriores: 10*20, 15*20, 15*30, 16*36, 18*38, 20*30, 20*40, 25*40, 25*50, 30*40, 30*50, 30*60, 30*70, 30*90, 40*50, 40*60, 40*80, 40*100, 50*70, 50*75, 50*80, 50*90, 60*90, 60*80, 75*45, 100*40, 100*50, 100*60, 100*80, 100*120, 100*150, 120*50, 120*60, 120*80
crassitudo parietis: 0.5mm-25mm
longitudo: Longitudo conventionalis est 6m-12m et potest adaptari.
Tempus publicationis: Oct-XVIII-MMXXIII