... :3-16mm 3.O.D:10-426mm 12Cr2Mo pipes for chemical fertilizer use1.material:16Mnaa12CrMoaa12Cr2Mo2.wallthickness:3-16mm3.O.D:10 ... tubes,embossed sheets,coils,pipes and tubes,patterned sheets/coils,import sheets/coils and antiskid sheets/coils.Welcome to all customers ... , Section Two, Eastern Steel Market, No.118,Beihuan Road,Wuxi,China. 12Cr2Mo pipes for chemical fertilizer use