Raws li EN 10219-1 cov lus hauv qab no tau txhais:
CFCHS- txias tsimncighollow seem
CFRHS- txias tsimsquare lossis rectangularqhov seem
Txias tsim (Circular / Rectangular / Square) hollow seem yog tsim ntawm ambient kub thiab raug tsim raws li tus qauv EN 10219-1
1.OD: 20 * 20-800 * 800mm mus txog 1300 * 1300mm, 20 * 30--600 * 800mm txog 1000 * 1500mm
2.Thickness :2.0--40 0mm mus txog 60mm
3. Ntev: 5.85m, 6m, 11.8m, 12m

Hu rau: Elva
Email:elvazhao@lefinsteel.com
Mob: 008615122519420
Cim npe nrov: bs en 10219-1 square square hollow seem, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, nqe
