Tẹ 321 (UNS S32100) ninu ọpọn okun
Apejuwe
Iru 321 jẹ titanium diduro chromium nickel austenitic alagbara, irin pẹlu ipata resistance iru si 304/304L.Ipele yii ni a maa n lo ni iwọn otutu 800-1500˚F nibiti o ti wa ni imuduro lodi si ojoriro chromium carbide nipasẹ afikun titanium, eyiti o ja si ojoriro ti awọn carbides titanium.Iru 321 ni resistance ipata intergranular ti o dara julọ lẹhin ifihan si iwọn otutu yii, ati pe ipele yii koju ifoyina si 1500˚F ati pe o ni awọn ohun-ini ti nrakò ti o ga ati wahala ju 304/304L.O tun ni lile iwọn otutu kekere ti o dara ati pe kii ṣe oofa ni ipo annealed.
321 irin alagbara, irin coiled ọpọn
Kemikali Tiwqn
Awọn ifilelẹ Kemikali (wt%) gẹgẹbi pato ninu ASTM A240 ati ASME SA240*.
Eroja | 321 |
Erogba | 0.08 |
Chromium | 17.0-19.0 |
Nickel | 9.0-12.0 |
Manganese | 2.00 |
Silikoni | 0.75 |
Nitrojiini | 0.10 |
Fosforu | 0.045 |
Efin | 0.030 |
Titanium | 5 (C + N) iṣẹju / 0,70 max |
Darí Properties
Awọn ibeere ohun-ini ẹrọ fun ọja ifasilẹ gẹgẹbi pato ninu ASTM A240 ati ASME SA240.
Ohun ini | 321 |
Agbara ikore, min.(ksi) | 30 |
Agbara Fifẹ, min.(ksi) | 75 |
Ilọsiwaju, min.(%) | 40 |
Lile, max.(Rb) | 95 |
Ti ara Properties
Awọn ohun-ini ti ara fun Iru 321 irin alagbara irin
Ohun ini | 321 Data |
Ìwúwo, lb/in3 | 0.286 |
Modulu ti Elasticity, psi | 28.0 x 106 |
Olusọdipúpọ ti Imugboroosi Gbona, 68-212˚F, /˚F | 9,2 x 10-6 |
Imudara Ooru, Btu/ft wakati ˚F | 9.3 |
Ooru kan pato, Btu/lb ˚F | 0.12 |
Itanna Resistivity, Microohm-ni | 28.4 |
Awọn ajohunše
Aṣoju awọn ajohunše fun Iru 321 alagbara, irin
Ohun ini | 321 Data |
Ìwúwo, lb/in3 | 0.286 |
Modulu ti Elasticity, psi | 28.0 x 106 |
Olusọdipúpọ ti Imugboroosi Gbona, 68-212˚F, /˚F | 9,2 x 10-6 |
Imudara Ooru, Btu/ft wakati ˚F | 9.3 |
Ooru kan pato, Btu/lb ˚F | 0.12 |
Itanna Resistivity, Microohm-ni | 28.4 |
Akoko ifiweranṣẹ: Oṣu Kẹrin Ọjọ 17-2023