High precision structural steel pipe in aviation

High precision structural steel pipe in aviation http://www.brsteel.org Company Hebei Borun Steel Trade Co., Ltd Product Name Seamless steel pipe Process form Hot rolled,Cold drawn Standard ASTM,DIN,JIS,GB,EN,BS,API 5L,API 5CT Steel grade 20#, Q345, A106/53B, A179, S275, S355,GR.B/X42/X46/X56, ST44/37/ A500, J55-P110 O.D 1/2“20” or 21.3-610mm W.T 2-40mm Length 5.8m/ 6m/ 11.8m/ 12m or any fixed length as per customer request SurfaceTreatment Bare, Lightly Oiled, Black/Red