... G3456-2004 2.Thickness:1-70mm 3.OD:12-1210mm 4.Material:10#-45#,Q295,Q345,A53(A,B), A106(B ... ,30Cr,12Cr1MoV,16Mn2. Thickness : 1-70mm3. Section Shape : Round4. Outer Diameter : 12-1210mm5. Place of Origin :Shan Dong China6. Secondary Or ... -secondary7. Application:Boiler pipe8. Technique :Hot rolled9. Certification :ISO9001 150mm diameter pipe