Alloy 28 bụ nnukwu alloyed austenitic igwe anaghị agba nchara na-enye iguzogide ọtụtụ mgbasa ozi na-emebi emebi.Site na ọdịnaya nke chromium na molybdenum, alloy na-enye iguzogide ma oxidizing na ibelata acids na salts.Ọnụnọ nke ọla kọpa na-abawanye iguzogide sulfuric acid.A na-eji alloy eme ihe na ụlọ ọrụ nhazi kemịkalụ na petrochemical.Alloy tubes bụ oyi na-arụ ọrụ na ike dị elu maka ọrụ downhole na olulu mmiri miri emi na-emebi emebi.
Alloy | % | Ni | Cr | Fe | Mo | C | P | Mn | Si | S | Cu |
028 | Min. | 30 | 26 | bal | 3.0 | 0.6 | |||||
Oke. | 34 | 28 | 4.0 | 0.03 | 0.03 | 2.5 | 1.0 | 0.03 | 1.4 |
Njupụta | 8.0 g/cm³ |
Ebe mgbaze | 1260-1320 ℃
|
Ọnọdụ | Ike ọdụdọ Rm N/mm² | Mpụta ike Rp 0. 2N/mm² | Ogologo oge Dị ka% | Brinell siri ike HRB |
Ọgwụgwọ ọgwụgwọ | 500 | 214 | 40 | 80-90 |