... 1.5-15MM.B: Surface finish: black, blank, bright and galvanized, or painted C: Length of each pipe: 6M or according to ... customer requirementsD: Steel grade: 20#, 45#, Q195, Q235, 45MN,65MNE: Conforms to international standards, like: ... , EN10025, EN10305 etcTo date, more and more clients, ranging from China to Oceania, Japan, Korea, Southeast Asian Nations and part of ...