12Cr2Mo pipes for chemical fertilizer use 1.material:16Mnaa12CrMoaa12Cr2Mo 2.wallthickness:3-16mm 3.O. ... D:10-426mm 12Cr2Mo pipes for chemical fertilizer use1.material:16Mnaa12CrMoaa12Cr2Mo2.wallthickness:3-16mm3.O.D:10-426mm4 ... , No.118,Beihuan Road,Wuxi,China. 12Cr2Mo pipes for chemical fertilizer use