Alloy 28 yog ib qho zoo heev alloyed austenitic stainless hlau muab kev tiv thaiv rau ntau yam corrosive media.Los ntawm kev tsim txiaj ntawm nws cov ntsiab lus ntawm chromium thiab molybdenum, cov alloy muaj kev tiv thaiv rau ob qho tib si oxidizing thiab txo cov kua qaub thiab ntsev.Lub xub ntiag ntawm tooj liab ua rau nws tsis kam mus rau sulfuric acid.Lub alloy yog siv nyob rau hauv cov tshuaj thiab petrochemical kev lag luam.Alloy tubes yog txias ua hauj lwm rau siab zog theem rau downhole kev pab cuam nyob rau hauv nruab nrab corrosive sib sib zog nqus qaub qhov dej
Alloy | % | Ni | Cr | Fe | Mo | C | P | Mn | Si | S | Cu |
028 ua | Min. | 30 | 26 | bal | 3.0 | 0.6 | |||||
Max. | 34 | 28 | 4.0 | 0.03 ib | 0.03 ib | 2.5 | 1.0 | 0.03 ib | 1.4 |
Qhov ntom | 8.0 g / cm³ |
Melting point | 1260-1320 ℃
|
xwm txheej | Tensile zog Rm N/mm² | Yield zog Rp 0. 2N/mm² | Elongation Raws li % | Brinell hardness HRB |
Kev kho mob | 500 | 214 | 40 | 80-90 : kuv |