Abahlinzeki be-ASTM A409 SMO 254 amapayipi angenamthungo
I-SMO 254 Amapayipi e-Hallow abhekwa njengezwe amelana namanzi aphathekayo afinyelela kuma-200 mg \ l chlorides emazingeni okushisa akhona, anciphise cishe ngo-150 mg \ l ku-60 degree C.
I-ASTM A213 EXS S31254 Síimless Tube, ASME SA213 SCH40 Aloy 254 Square and Recxangle Pipe
HT 254 SMO PIPEzitholakala ku-ATSM B163 \ B167, AMS 5580, BS3074. I-Sandvik 254 SMO tubing nayo ingahle ibekwe ngokwezifiso ngokwezidingo ezithile zamakhasimende. 254 SMO tubing inamandla ashubile angama-98,600 PSI 680 MPA. Kanti amandla wesivuno e-6mo efw tubing 43,500 PSI 300 MPA. Thina eVictor Steel Lwela ukuhlinzeka amaklayenti ethu ikhwalithi engcono kakhulu yomkhiqizo futhi ngezifiso osayizi abangama-254 bamapayipi we-smo ngokwezidingo zabo.
I-Steel iyatholakala kumabanga afezeki ama-ferritic naku-auntenitic. Amapayipi angama-254 sm yizinhlobo ze-auntenitic zamapayipi aqine kabili njengensimbi ejwayelekile engenacala. I-ASTM A312 UNSS31254 ithathwa njengendawo ebambekayo esebenza ngemali ephakeme ye-titanium ne-nickel alloy. I-ANS S31254 Pipe imelana nokugqwala okukhohlisayo kanye nokugqwala kwama-crevice futhi inokumelana okuqinile kokuqhekeka kokugqwala kwe-chloride ukuxabana. I-254 SMO ethambile ipayipi lisetshenziswa ekukhiqizeni kukaphethiloli, ukuphathwa kwamanzi anosawoti, kanye nezimboni zokufaka ukudla. I-ASME SA213 SCH40 Alloy 254 Amashubhu asetshenziswa futhi embonini yePulp nephepha emishini yokufaka. Kodwa-ke, ngisho nokuba khona kukasawoti ka-3.5% kwanele ukukona okujwayelekile kwensimbi.
Kodwa-ke, ngenxa yokuqukethwe okuphezulu kwe-Alloying ngepayipi elingenamthumo angama-254, izinga lokugqwala liphansi kakhulu. Umsebenzi wentaba-mlilo noma ukuba khona kwanoma yimuphi umthombo wokushisa kungakhulisa ngokushesha izinga lokushisa lamanzi olwandle. Ukushisa ngokuhlanganiswa nesilinganiso esiphakeme se-sodium chloride kusheshisa izinga lokubola kuma-alloys endabuko ngokungafani ne-ASTM A312 amapayipi we-welded. Ngakho-ke, emazweni amaningi emhlabeni wonke, abakhiqizi bepayipi abangama-254 bancoma ukusebenzisa le alloy ngoba kungamelana nezimo zasemanzini ezonakalisayo, ngaphandle kokuwohloka okubonakalayo ebusweni bawo. Ngokuqukethwe kwe-chromium kuphakama ngo-19%, i-alloy 254 SMO Pipe yakha isendlalelo se-oxide esiseduze, esivimbela i-alloy ukuthi iboshwe nge-oxidation.
254 smo tube mechanic isenzo
Incekusana | Iphuzu elincibilikayo | Ukukhiqiza amandla (0.2% Offset) | Amandla asheshayo | Elongation |
8.0 g \ cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Ukwakheka kwamakhemikhali kwepayipi elingenamthungo engama-254
Smo 254 | Ni | C | Mo | O | Isazi | Heree | Cu | Ushikukazi | Uhlobo | C |
17.5 – 18.5 | 0.02 max | 6 – 6.5 | 1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
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