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DIN1628 St37.4 ERW Tube and Pipe - Katalor Steel Sheet

Dec 30, 2016 · 1, Shanghai Katalor Enterprises Co. keeps more than 10,000 tons St37.4 steel in stock each month. 2, we have our own production workshop that the area is more than 5,000 square meters, and we also have the whole equipment of ERW. 3, the product size range of DIN1628 St37.4 ERW Tube and Pipe:O.D. 273 mm.