321 irin alagbara, irin 4,0 * 0,35 mm coiled tube
321 jẹ titanium stabilized chromium-nickel austenitic alagbara, irin pẹlu agbara ti o dara ati ki o tayọ ipata resistance, bi a ti pese ni awọn annealed majemu pẹlu kan aṣoju brinell líle ti 175. Characterized nipa ga ipata resistance ni apapọ atmospheric corrosive agbegbe ti o nfihan o tayọ resistance to julọ oxidizing. awọn aṣoju, awọn ounjẹ ounjẹ gbogbogbo, awọn ojutu sterilizing, awọn awọ-awọ, ọpọlọpọ awọn kemikali Organic pupọ pẹlu ọpọlọpọ awọn kẹmika eleto ara, tun gaasi epo epo, awọn gaasi ijona nya si, nitric acid, ati si iwọn sulfuric acid diẹ.O ṣe afihan resistance ifoyina ti o dara ni awọn iwọn otutu ti o ga ni resistance to dara julọ si ipata intergranular ati pe o ni weldability to dara julọ.321 ko le ṣe lile nipasẹ itọju igbona, ṣugbọn agbara ati lile le pọ si ni pataki nipasẹ iṣẹ tutu, pẹlu idinku atẹle ni ductility.
Ti a lo lọpọlọpọ fun awọn ohun elo nibiti afikun ti titanium ati ipa imuduro rẹ bi eroja ti o ṣẹda carbide ngbanilaaye lati ṣe alurinmorin ati/tabi lo laarin iwọn ojoriro carbide 430oC – 870oC laisi eewu ti ibajẹ intergranular.Iwọnyi pẹlu Sisẹ Ounjẹ, Awọn ohun elo ifunwara, Kemikali, Petrochemical, Transport ati awọn ile-iṣẹ to somọ ati bẹbẹ lọ.
Ohun elo ti kii ṣe oofa ni ipo annealed, ṣugbọn o le di oofa kekere ni atẹle iṣẹ tutu tutu.
Annealing nilo lati ṣe atunṣe ti o ba jẹ dandan.
NB Idaabobo ipata ti o dara julọ jẹ aṣeyọri ni ipo annealed.
| Australia | AS 2837-1986-321 |
| Jẹmánì | W.Nr 1.4541 X6CrNiTi18 10 |
| Ilu oyinbo Briteeni | BS970 Apá 3 1991 321S31 BS970 - 1955 EN58B/EN58C |
| Japan | JIS G4303 SuS 321 |
| USA | ASTM A276-98b 321 SAE 30321 AISI 321 UNS S32100 |
| Kemikali Tiwqn | |||||||||||
| Min.% | O pọju% | ||||||||||
| Erogba | 0 | 0.08 | |||||||||
| Silikoni | 0 | 1.00 | |||||||||
| Manganese | 0 | 2.00 | |||||||||
| Nickel | 9.00 | 12.00 | |||||||||
| Chromium | 17.00 | 19.00 | |||||||||
| Titanium | 5 x Erogba | 0.80 | |||||||||
| phosphorous | 0 | 0.045 | |||||||||
| Efin | 0 | 0.03 | |||||||||
| Awọn ibeere Ohun-ini Mechanical – Ti fipa si ASTM A276-98b 321 | |||||||||||
| Pari | Ipari gbona | Ipari tutu | |||||||||
| Dia tabi Sisanra mm | Gbogbo | Titi di 12.7 | Ju 12.7 | ||||||||
| Agbara Temsile Mpa Min. | 515 | 620 | 515 | ||||||||
| Agbara Ikore Mpa Min. | 205 | 310 | 205 | ||||||||
| Ilọsiwaju ni 50mm % Min. | 40 | 30 | 30 | ||||||||
| Aṣoju Awọn ohun-ini Mechanical Ni iwọn otutu yara – Annealed | |||||||||||
| Pari | Tutu Fa | Omiiran | |||||||||
| Agbara Agbara Mpa | 680 | 600 | |||||||||
| Ikore Agbara Mpa | 500 | 280 | |||||||||
| Ilọsiwaju ni 50mm% | 40 | 55 | |||||||||
| Ipa Charpy VJ | 180 | ||||||||||
| Lile | HB | 200 | 165 | ||||||||
| Rc | 15 | ||||||||||
| Awọn ohun-ini iwọn otutu ti o ga | |||||||||||
| 321 ṣe afihan resistance ifoyina ti o dara ni iṣẹ ilọsiwaju titi di 930oC, ati ni iṣẹ igba diẹ to 870oC.O tun le ṣee lo laarin iwọn ojoriro carbide 430oC – 870oC laisi eewu ti ibajẹ intergranular.Awọn ohun-ini ẹrọ ti dinku bi iwọn otutu ti n pọ si.
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| Awọn ohun-ini Mechanical Aṣoju – Annealed ni Awọn iwọn otutu ti o ga | |||||||||||
| Iwọn otutuoC | 20 | 430 | 550 | 650 | 760 | 870 | |||||
| Kukuru – Time fifẹ igbeyewo | Agbara Agbara Mpa | 580 | 425 | 365 | 310 | 205 | 140 | ||||
| Ikore Agbara Mpa | 240 | 170 | 150 | 135 | 105 | 70 | |||||
| Ilọsiwaju ni 50mm% | 60 | 38 | 35 | 32 | 33 | 40 | |||||
| Awọn idanwo irako | Wahala fun 1% nrakò ni 10.000 Wakati Mpa | 115 | 50 | 14 | |||||||
| Low otutu Properties | |||||||||||
| 321 ni awọn ohun-ini iwọn otutu kekere ti o dara julọ pẹlu fifẹ ti o pọ si ati awọn agbara ikore pẹlu isonu kekere ti lile ni ipo annealed. | |||||||||||
| Awọn ohun-ini Mechanical Aṣoju – Ti a fi kun ni odo ati Awọn iwọn otutu Sub-Zero | |||||||||||
| Iwọn otutuoC | 0 | -70 | -130 | -180 | -240 | ||||||
| Agbara Agbara Mpa | 740 | 900 | 1135 | 1350 | 1600 | ||||||
| Ikore Agbara Mpa | 300 | 340 | 370 | 400 | 450 | ||||||
| Ilọsiwaju ni 50mm% | 57 | 55 | 50 | 45 | 35 | ||||||
| Ipa Charpy J | 190 | 190 | 186 | 186 | 150 | ||||||
