Boṣewa ASTM A269 A249irin alagbara, irin okun tubeolupese ọpọn irin alagbara

Ile-iṣẹ Liao cheng sihe alagbara irin ohun elo opin ṣe agbejade tube okun irin alagbara irin alagbara irin pipe taara, ipele ti tube jẹ 201 304 304L 316316L ati ipele miiran

alloy 625 825 2205 825 2507 ect, gigun ti tube naa jẹ lati 300-3500M/okùn, boṣewa si tube, jẹ tube ASTM A249 269,