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904L Alagbara Irin Awo

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Apejuwe

904l irin alagbara, irin Awo ni a superaustenitic alagbara, irin ti o ti wa ni da fun dede to ga ipata resistance ni kan jakejado ibiti o ti agbegbe.Adalu ti chromium ati akoonu nickel, pẹlu awọn afikun ti molybdenum ati bàbà pese resistance ipata ti o dara julọ.Nitori nickel 25% ati molybdenum 4.5%, ASTM B625 UNS N08904 n pese ipọnju chloride ti o dara ipata ipata resistance, pitting ati gbogbo ipata resistance eyiti o ga julọ. si 316L ati 317L.O ti wa ni idagbasoke lati jade-fifọ agbegbe ti o ni awọn dilute imi-ọjọ acids.904l irin alagbara, irin awo ni o ni ti o dara resistance to inorganic acids bi gbona phosphoric acid.O le ni irọrun welded ati ni ilọsiwaju nipasẹ ilana iṣelọpọ boṣewa.ss 904l awo jẹ ohun ductile ati ki o le wa ni awọn iṣọrọ akoso.Ipilẹṣẹ molybdenum ati nitrogen n pese awọn ohun elo iṣelọpọ ti o lagbara diẹ sii ati pe o le jẹ pataki nigbati a ba ṣe afiwe si awọn iwọn 304/304L boṣewa.astm a240 iru 904l ni o ni o tayọ resistance si gbona omi okun ati kiloraidi kolu.Awọn giga resistance ti o jẹ lodi si wahala ipata wo inu ati awọn ti o jẹ nitori awọn niwaju ga oye akojo ti nickel ninu awọn oniwe-tiwqn.Pẹlupẹlu, afikun ti bàbà ndagba resistance si sulfuric acid ati awọn aṣoju idinku miiran ni awọn ipo ibinu ati ìwọnba .1.4539 ohun elo awo, nfunni ni idaabobo ti o dara.Bibẹẹkọ, iduroṣinṣin igbekalẹ ti ite yii ṣubu ni awọn iwọn otutu giga, ni pataki loke 400 ° C.ASTM A240 UNS N08904 ohun elo le jẹ itọju ooru ojutu ni 1090 si 1175 ° C nipa titẹle nipasẹ ọna itutu agba ni iyara.Itọju igbona dara fun lile rẹ.1.4539 awọn ohun elo pataki dì jẹ ohun elo isọdọtun epo, Pulp ati awọn ile-iṣẹ iṣelọpọ iwe, awọn ohun elo fifọ gaasi, ati bẹbẹ lọ.

Apejuwe

Ipele Ipele Ohun elo Kemikali%
C Cr Ni Mn P S Mo Si Cu N Omiiran
904L N08904 ≤0.02 19.0-23.0 23.0-28.0 4.0-5.0 ≤0.045 ≤0.035 ≤1.00 0.1 Ku: 1.0-2.0
ipese iwọn:
3 3*1000*2000 3*1219*2438 3*1500*3000 3*1500*6000
4 4*1000*2000 4*1219*2438 4*1500*3000 4*1500*6000
5 5*1000*2000 5*1219*2438 5*1500*3000 5*1500*6000
6 6*1000*2000 6*1219*2438 6*1500*3000 6*1500*6000
7 7*1000*2000 7*1219*2438 7*1500*3000 7*1500*6000
8 8*1000*2000 8*1219*2438 8*1500*3000 8*1500*6000
9 9*1000*2000 9*1219*2438 9*1500*3000 9*1500*6000
10 10*1000*2000 10*1219*2438 10*1500*3000 10*1500*6000
12 12*1000*2000 12*1219*2438 12*1500*3000 12*1500*6000
14 14*1000*2000 14*1219*2438 14*1500*3000 14*1500*6000
16 16*1000*2000 16*1219*2438 14*1500*3000 14*1500*6000
18 18*1000*2000 18*1219*2438 18*1500*3000 18*1500*6000
20 20*1000*2000 20*1219*2438 20*1500*3000 20*1500*6000

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