ʻO ka wehewehe pōkole:

Name: Rectangular Steel Pipes Standard: ASTM A500, ASTM A53, EN10219, BS1387-1985 Material: Q195, Q215, Q235, Q345 Specification: OD: 10mm × 10mm—-400mm × 120mm ʻO ka mānoanoa o ka pā: 0.6mm - hoʻopaʻa i ka galvanized, pre-galvanized, uhi ʻaila, lacquering