Cabbirka OD: 1 \ / 2 "~ 48" "
Kuwaas waxaa sidoo kale lagu daray iyada oo leh xubno xaddidan sida Sulfur sida Sulfur, Silikon, Mangagase iyo Fosforses oo ka caawiya kordhinta ¨C, iska caabin, iska caabbial, iyo in ka badan.
ASTM A193 Fasalka B7 waa qeexitaanka sheyga caadiga ah ee chromium-molybdenum akoonnada birta sareeya, heerkul sare, iyo codsiyo gaar ah. Fasalka B7 waa kuleylka chromium-ka ee lagu daweeyo koromium molybdenumkot oo leh khidmad yar oo TSISE ah oo ah 100 KSI, xoog soonatiyad ah oo ah 75 KSI iyo ugu badnaan ee 35 HRC. ASTM AS193 qeexitaanku wuxuu daboolayaa shuruudaha ka kooban kiimikada, guryaha farsamada, adkaanta, daaweynta kuleylka, iyo kululayaasha lagu tareeyo ee fasalka B7 Xirfadleyaasha. ASTM A193 Fasalka B7 waa qeexitaanka ballaaran ee xaaladaha xajinta, oo badanaa laga helo xirmooyin ama tuubooyin, maraakiibta cadaadiska, tuubbooyinka cadaadiska, grotts iyo qalabka lagu rakibo.