GB/T3091 CIRCULAR HOLLOW section
Nqe lus piav qhia:Lub voj voog
Txheem:GB / T3091
Qib: Q235, Q275, Q355,Q420, Q460
Loj:1/2 INCH --24 INCH
Phab ntsa Thickness:5--50 MM
Phab ntsa Thickness kam rau ua:± 10 feem pua
Ntev:Feem ntau 6M / 12M, kuj nyob ntawm qhov yuav tsum tau ua
Daim ntawv thov:Kev tsim kho vaj tse thiab kev tsim vaj tsev, kev lag luam tsheb thauj mus los, kev tsim cov tshuab
Cim npe nrov: gb/t3091 ncig hollow seem, Suav teb, lwm tus neeg, manufacturers, hoobkas, nqe
