عملکرد مطلوب astm a269 با تکنولوژی تولید عالی
ASTM A249 ASTM 269 Tube manufacturing Welded Welded and seamless Application Boiler Superheater Heat-Exchanger Condenser General Service Sizes OD: max 304.8 mm Thickness: 0.4 – 8.1 mm ID: Min. 3.4 mm Thickness: 0.51 mm ASTM / ASME ASTM