Bolier steel tube Standard: ASTM / ASME A/SA 179 ... OD in 0.6 to 20mm THK. Bolier tube, Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and ... ASME SA179, ASTM A192, ASME SA192, ASTM A210, ASME SA210, ASTM A213, ASME SA213, DIN1629, DIN 17175, JIS, ... Grade B, A 179, 1 192, ASTM A210-A1, ASME SA210-A1, ASTM A213 -t11, ASME SA213-t11, ASTM ... exchanger, condenser ASTM A179/ASME SA179 Seamless Steel Tube