water tube boiler

Boiler steel pipe: Sizes (O.D. x W.T): from 13.7mm — 219.1mm x 1.5mm to 28mm Stanard: DIN17175 Quality Steel Grade: ST35.8,ST45.8,15Mo3,13CrMo44 Surface: oiled or black painted to prevent rust Marking: as per customer’s requirement Type: Seamless pipe. Hebei Borun Steel Trade Co.,Ltd is a manufacturer and exporter with 15 years' experiences.We mainly exports Carbon Steel(Seamless steel pipe,OCTG and so on).If you're interested,pls contact me. Contact Info Email:octgpipes@126