The barrel chest is a physical sign particularly associated with emphysema. Itâs an important description, because not all patients with COPD have the barrel chest feature of emphysema. This implication identifies why itâs important to describe someone with a âbarrel chestâ during a physical examination. Other disease processes
1 Flat bars from 10 x 3mm to 600 x 25mm. 2  Square bars from 10 x 10mm to 100 x 100mm. 3  Round bars from 6mm to 100mm diameter. 4  We also offer a limited range of bright and alloys. 5  Flats and bars are sold in 6m lengths, with some smaller sizes available in 4m lengths.
5.2 Tolerance: 5.2.1 Rolled bars: The bars shall not vary from specified diameter or distance across flats bymore than Â± 2Â½ %. 5.2.2 Forged bars: The tolerance on the forged bars shall be as follows. otDiameter, mm Tolerance, mm 50 mm to 175 mm + 8.0 mm Above 175 mm + 12.5 mm Note: (Hot rolled & forged bars).