ASTM A182 Forged or Rolled Alloy-Steel Flanges, Forged Fittings, and Valves ASTM A182 គឺជាការបញ្ជាក់សំខាន់មួយសម្រាប់ forged or rolled flanges-steel alloys, forged fittings, and valves designed for use in high-temperature សម្ពាធបរិយាកាស។ ស្ដង់ដារនេះ...