Astm A179, A192, ƙayyadadden bayanai na A210 carbon carbon karfe don sabis na manyan-zazzabi. Wadannan bututun ana amfani da su masu musayar zafi, masu ba da izini, kayan zafin jiki mai yawa yakamata su wadatar da bayani 530.
GB5310-2008 ya dace da shambo masu shambura don yin tukunyarta ta Steam don yin tubes mai girma ko sama da ƙamshi da aka yi amfani da su azaman bututu.
Astm A179 / A17M - 90a Standard Dubawa ga ƙarancin sanyi-carbon da kuma shaye shaye.
Astm A192 / A192m Standard Doke mai launin shayewar ƙwayar kwalban ƙarfe na teku don sabis na matsi.
ASTM A210/ASME SA210 Standard Specification for Seamless Medium-Carbon Steel Boiler and Super-heater Tubes.
Lokaci: Jun-29-2023