hat
ASTM A556 / A556M estanda Spécification pou Transparente frèt desine Carbon en Feedwater aparèy pou chofe ti tiyo nou. Ti tiyo nou yo ap delivre kesyon sa te poze nan fòm vaksen kont-ti tiyo nou.
eng
ASTM A556 / A556M Standard Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes. The tubes are mainly delivered in the form of U-tubes.