ASTM SB 366 SIME K04400 B16.9 Chipewa
Alloy 400 (SER4400) ndi a Nickel Copper Clour (ofanana ndi zitsulo) ndi unyinji. Alloy 400 nawonso ali ndi kukana kwabwino kwambiri kutsanzira kwa masamba osiyanasiyana kuphatikizapo madzi am'madzi, hydrofluoric acid, sulfuric acid ndi alkali.
Nthambi yomalizidwa, yomwe imadziwikanso kuti hexe wamba, ili ndi mlighting'ono kudutsa ma flats ndi ngodya zomwe zikufanizira ndi hext yolemera ya hex. Mtenu wa hex mtedza ndi wokulirapo komanso wolemera. Chitsimikizo Chomangira Mphamvu ndi chokwera kuposa hexe. Mitembo yolemera hex imapereka kuchuluka kwa mtedza wamalizi.
Zinthu zake zimapangitsa kuti zikhale bwino pogwiritsa ntchito ntchito zolemetsa ndi zomwe zimafuna malo osungunuka ndi mphamvu pansi pa nyengo.