فروش کارخانه astm a269 قابل تنظیم
5. Dimension. ASTM A249 tubing sizes and wall thickness separately are 1/8 in (3.2 mm) in inside diameter to 12 in (304.8 mm) in outside diameter and 0.015 in to 0.32 in (0.4 – 8.1 mm). The tubing sizes and thicknesses furnished to ASTM A269 are 1/4 in. (6.4 mm) in inside diameter and larger and 0.020 in. (0.51 mm) in nominal wall-thickness ...