ASTM a234 kaarboon gawaarida birta ah ee tuubbada a234 kaarboonka birta gr. WPB PIPE BILAASH
Kaarboon birta waa taxane ka shaqeeya kaarboonka iyo kaarboonka ka kooban 1% iyo manganese-ka ilaa 1.65%, oo ah qaddar gaar ah oo ka mid ah aallo ka mid ah aallo ka mid ah aallo-ka-daad ka kooban Garaaca kaarboonka, ma jiraan heerar ugu yar oo loo cayimay walxaha kale ee albaabada ah, laakiin badanaa waxay ka kooban yihiin manganese. Waxyaabaha ugu badan ee Mangaganese, silicon iyo naxaas waa inay ka yaraadaan 1.65 wt.%, 0.6 wt.% Iyo 0.6 wt.% Siceel. In kasta oo bir yar yar ay xoog badan tahay, way ku adag tahay mashiinka.
ASTM A106 Tuubbada cadaadiska cadaadiska ee xasaasiyadda
Qalabka tuubooyinka luqla'aanta ah ayaa laga soo saaray. Alaabooyinkeenu waa 100% shahaadaysan.
A234 WPB S S S SCH 80 ayaa sidoo kale lagu heli karaa xajmiga ballaaran. Ujeedada loo adeegsado ASTM A234 GR WPB xusulka ayaa ah in la beddelo jihada ama socodka nidaamka tuubbada.