api 5l x70 psl1 carbon steel pipe tube. For 20 years, focus on Alloy steel plate,Pipeline Steel Plate,Carbon and Low-alloy High-strength Steel,Boiler and Pressure Vessel Steel Plate,Weather Resistant Steel Plate,Shipbuilding and Offshore platform Steel plate of produce and stock. bs 4449 reinforcing pipe steel pipe - Exquisito WineshopBS4449 460B/500B standard steel rebar steel reinforcing The nominal diameter of the rebar is 8-50 mm, and the recommended diameters are 8, 12, 16, 20, 25, 32, and 40 mm. Reinforced concrete in the main tensile stress.
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