Tẹ 347 (UNS S34700) ninu ọpọn ti a fi npa
Apejuwe
347 irin alagbara, irin coiled ọpọn
Iru 347 jẹ niobium 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 ti niobium, eyiti o mu ki ojoriro ti niobium carbides.Iru 347 ni o ni aabo 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 ati wahala ju 304/304L.O tun ni lile iwọn otutu kekere ti o dara ati pe kii ṣe oofa ni ipo annealed.
347 irin alagbara, irin coiled ọpọn
Kemikali Tiwqn
Awọn ifilelẹ Kemikali (wt%) gẹgẹbi pato ninu ASTM A240 ati ASME SA240*.
| Eroja | 347 |
| Erogba | 0.08 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-13.0 |
| Manganese | 2.00 |
| Silikoni | 0.75 |
| Fosforu | 0.045 |
| Efin | 0.030 |
| Niobium | 10 x C iṣẹju / 1.00 max |
Darí Properties347 irin alagbara, irin coiled ọpọn
Awọn ibeere ohun-ini ẹrọ fun ọja ifasilẹ gẹgẹbi pato ninu ASTM A240 ati ASME SA240.
| Ohun ini | 347 |
| Agbara ikore, min.(ksi) | 30 |
| Agbara Fifẹ, min.(ksi) | 75 |
| Ilọsiwaju, min.(%) | 40 |
| Lile, max.(Rb) | 92 |
Ti ara Properties
Awọn ohun-ini ti ara fun Iru 347 irin alagbara, irin
| Ohun ini | 347 Data |
| Ìwúwo, lb/in3 | 0.288 |
| Modulu ti Elasticity, psi | 28.0 x 106 |
| Olusọdipúpọ ti Imugboroosi Gbona, 68-212˚F, /˚F | 9.3 x 10-6 |
| Imudara Ooru, Btu/ft wakati ˚F | 9.2 |
| Ooru kan pato, Btu/lb ˚F | 0.12 |
| Itanna Resistivity, Microohm-ni | 28.4 |
Awọn ajohunše
Aṣoju awọn ajohunše fun Iru 347 alagbara, irin
| 347 |
| ASTM A240 |
| ASME SA240 |
| AMS 5512 |
Akoko ifiweranṣẹ: Oṣu Kẹrin Ọjọ 22-2023