لوله های فولادی کربنی و آلیاژی بدون درز
ASTM A333. 1/4"-42" x SCH20-XXS. Grade1 Gr. 3,Gr..6, Gr.8, Gr. 9. Alloy steel forgings for pressure and high-temperature parts. ASTM A336 Seamless Cold-drawn Carbon Steel Feedwater Heater Tubes. ASTM A556. 10.3-426 x 1.0-36. A2, B2. Round and shaped steel cold formed welded and seamless carbon steel structural pipe. ASTM A500. OD :10.3 …