Nws muaj nominal muaj pes tsawg ntawm 22cr-5ni-3mo-n nrog p tus lej 10h.
Xov kev sib txhuam ntawm cov txiv ntoo thiab bolt tsim lub zog, khov kho thiab txawm yuam kev tuav cov khoom sib xyaw ua ke. Feem ntau siv ASTM A182 unhicial s32205 khawm ceev ceev yog ib txwm hex txiv ntoo. Nyob rau tib lub sijhawm, Ob lub stuplex stainless hlau footeners muaj zog thiab corrosion deferanut, sib txuas ntawm cov muaj kev noj qab haus huv ntawm ferrite thiab austenite. Cov khoom siv tseem muaj 90 yam kawg liti yam tsawg kawg tensile lub zog thiab ib 65ksi yam tsawg kawg zog zog. 2205 Duplex stainless hlau bolts muaj elongation ntawm 25% thiab kev nyuaj ntawm 217HBW.
A789 unc unic s31803 thiab unspes ob qib ntawm ob chav stainless hlau uas tau siv dav hauv ntau cov ntawv thov. Cov txiv neej duplex s31803 Seamless kav yog paub rau lawv cov txiv neej ua hauj lwm zoo, muaj lub zog siab, thiab weldability thiab zoo weldability. A789 yog ib qho tshwj xeeb uas tau them seamless thiab welded tub ua los ntawm duplex steel stainless hlau.
ASTM A815 qhov kev qhia tshwj xeeb npog ob chav kawm dav dav, Werrititic, thiab Martensitic Stainless hlau fittings ntawm seamless thiab welded siv. Chav kawm WP fittings yog subdivided ua plaub subcasses: cov chav kawm WP-S, WP-WP-WP-WP-WX, thiab WP-WP Cov khoom siv rau cov fittings yuav tsum muaj kev lom zem, cov kab, daim hlau, lossis seamless lossis welded tubular khoom.