I-Allow Stee yentsimbi ye-9 ye-9 yeBanga le-9 i-A333 kwisitokhwe
I-ASTM A193 IBakala B7 igubungela iimfuno zezinto eziphezulu ze-alloy aflings zeqondo lobushushu obuphezulu okanye inkonzo ephezulu yoxinzelelo kunye nezinye izicelo ezizodwa. Luhlobo olusemgangathweni oluchaza ubume obuqhelekileyo bekhemi, iipropathi zoomatshini, iimfuno zobunzima, unyango olukhethiweyo, ukumakisha imveliso, kunye nezinye iimfuno zokunxibelelana I-ASTM A193 ichaza i-si (metric) kunye neeyunithi ze-intshi.
Ngenxa yokuqulunqwa kwemichiza ye-molybdenum (mo) kunye neChromium (CR), i-A335 idla ngokubizwa ngokuba yiChromium Mlybdenum Tube. I-MolybDenum inyusa amandla entsimbi kunye nomda we-elastiki, nxiba ukunganyangeki, umgangatho wempembelelo kunye noxinzelelo. I-MolybDenum inyusa ukumelana nokuthambisa, ithintele ukukhula kweenkozo, kwaye iyenza i-chromium yentsimbi engafikeleli emgceni. I-Molybdenum yeyona nto isebenzayo eyongeziweyo yokuphucula amandla aphezulu amaqondo aphezulu. Ikwandise ukuxhathisa i-corrosion yensimbi kwaye kuthintela ukubonakala. I-Chromium (okanye i-chrome) yinxalenye esisiseko yentsimbi engenasimo. Nayo nayiphi na intsimbi ene-12% okanye ngaphezulu iChromium ithathwa njengentsimbi engenasiseko. I-Chromium iphantse ingenakufane ngokuchasene nokuxhathisa kwi-oxidation kwiqondo lobushushu eliphezulu. I-Chromium inyusa i-tedile, isivuno kunye nobunzima kubushushu begumbi.
I-A335 P22 CHROMIR yeCh22 iqulethe i-chromium ekuqulunqweni kwayo ukubonelela ngokuchaseneyo nokunganyangeki. Kukho ezinye izinto ekubunjweni ngezinto ze-P22 imibhobho yentsimbi. I-MolyBdenum yinto eqhelekileyo kuwo onke amabakala angama-A335. I-Manganese, phosphorus, isilicon kunye ne-carbon bongezwa ngokwamabakala ahlukeneyo.