Ring PaerewaKo te waahanga nui o te riipene o te riihi, ka hangaia e te Q345 nga taonga o te Q345, e rua nga paerewa e rua te diameter 48.3mm (M48) me te 60.3mm (M60) mo to whiringa. Te roa o te 500mm, 1000mm, 1500mm, 2000mm, 25000mm, 38mm, 3.25m, 3.25mm te mea tino pai.
O tatou ringiki ringikiE rua nga taonga mo to whiriwhiri, Q235 me te Q345. Mena he nui te kaupapa o to kaupapa, ka taea e koe te whiriwhiri i te Q345 mo nga kaupapa, mena he mea noa to kaupapa, ka tutuki nga tohu a Q235 ki to tono kaupapa. He 300mm, he 900mm, 900mm, 1200mm, 1200mm, 1200mm, 1200mm, 1200mm, 1200mm, 2.0mm, 2.0mm, 3.2mm, 3.2mm ETC te matotoru mo to whiringa.
Te wa tuku: Mei-31-2023