... 3mm - 4.0mmLength6m or as customers' requestTolerancea) Outer Diameter: +/- 0.2mm b) Thickness: +/- 0.02mmc) Length: +/- ... test, heat treatment, NDT Chemical Composition of MaterialMaterial Composition201202304316430C≤0.15≤0.15≤0 ... utensils, sanitary wares, medical apparatus, Car exhaust pipe, Furniture, appliance, food machinery, chemical and ... your goods on time.2. We use the best raw material.3. We ...