ibhena_yephepha

Ulwakhiwo lweNsimbi lwe-ASTM A992, A572, A283, A913: Umahluko oPhambili kwiMarike yoLwakhiwo lweNsimbi yeHlabathi

Namhlanje, ukukhetha uhlobo olufanelekileyo lwentsimbi kubalulekile kwisidima sesakhiwo, ukwenziwa, kunye neendleko zeprojekthi iyonke kwishishini lokwakha. Phantsi kwemigangatho yaseMelika kukho iintlobo ezine eziqhelekileyo zentsimbi.intsimbi yesakhiwo i-ASTM A992, A572, A283 kunye ne-A913nganye kwezi ntsimbi inamanqanaba ahlukeneyo okusebenza kunye neemfuno zeprojekthi.

iqela lasebukhosini lesakhiwo sentsimbi (2)
isakhiwo sesinyithi (4)

Umahluko kwizinto eziphathekayo kunye noomatshini

I-ASTM A992
Udidi: Intsimbi yolwakhiwo enamandla aphantsi (HSLA) enamandla aphezulu
Uxinzelelo oluncinci: Amandla okukhupha i-345 MPa (50 ksi)
Uphawu: Ulwakhiwo lwezinto ezisetyenziswayo ze-weld “umenzi we-weld kunye nezinto ezisetyenziswayo ze-weld ezinxulumene noxinzelelo” lulawulwa ngokuqinileyo ukuqinisekisa ukuhambelana nokuqina.
Ifomu Ephambili: Yenzelwe ngokukodwa i-hot roll wide flange (i-W/H beam).
I-A992 yintsimbi eqhelekileyo enamandla aphezulu eMntla Melika yokwakha intsimbi yesakhelo.

I-ASTM A572
Udidi: Intsimbi yesakhiwo ye-alloy ephantsi enamandla aphezulu (HSLA)
Amabanga: 42, 50, 55, 60, 65
Inqanaba lamandla: Likhulu kunentsimbi yekhabhoni eqhelekileyo.
Ubonelelo: Iipleyiti, ii-angles, iitshaneli, imiqadi nokunye
Amanqanaba asezantsi (iBanga lama-42,50) anokudityaniswa ngeenkqubo eziqhelekileyo zokuwelda, Amanqanaba aphezulu (iBanga lama-65) afuna iinkqubo ezikhethekileyo zokuwelda okanye uvavanyo olongezelelweyo olufana ne-PWHT njl.

I-ASTM A283
Uhlobo: Intsimbi yesakhiwo sekhabhoni (intsimbi ethambileyo)
Amanqanaba: ABCD = Iyafumaneka
Amandla: Abuthathaka kune-A572 kunye ne-A992
Ungathi kwakufana nokwenza nokuthungela ithole lendlovu ngexabiso lendlovu endala.
I-ASTM A283 elula kuphela eyenzelwe ukusetyenziswa kwizakhiwo ezingezizo ezibalulekileyo.

I-ASTM A913
Uhlobo: Intsimbi enamandla aphezulu ene-alloy ephantsi esebenzisa i-QST (ukucima kunye nokuzibamba)
Amabanga: 50, 65, 70 = Iyafumaneka
Uphawu: Amandla amakhulu, ukuqina okugqwesileyo kunye nokudityaniswa kakuhle kwintsimbi enamandla kakhulu.
Ifomu Ephambili Yeebhanti zeflange ezibanzi neziqinileyo
I-A913 isetyenziswa kakhulu apho iindawo ezinamandla aphezulu kunye nezincinci zibalulekile kwizakhiwo ezinkulu nezinde ezenziwe ngentsimbi.

Umahluko kwiSicelo

I-ASTM A992
Izakhiwo zorhwebo nezentsimbi zendlu
Iifreyimu zezakhiwo eziphakamileyo neziphakathi
Izakhiwo zoshishino nezokusasazwa
Isizathu: Inokuthenjwa ngokukhuselekileyo kwaye idityaniswe ngokulula, isetyenziswe emzimbeni wemoto.

I-ASTM A572
Iibhulorho
Iifektri
Iinqaba kunye nezixhobo zamandla
Amaqonga anzima
Isizathu: Iinjineli zoyilo zinokuphucula ibhalansi phakathi kwamandla kunye neendleko ngamanqanaba ahlukeneyo.

I-ASTM A283
Izakhiwo ezisezantsi
Iishedi zentsimbi ekhaphukhaphu kunye neeworkshops
Iifama kunye nezakhiwo zexeshana
Izinto ezingabalulekanga
Isizathu: Ixabiso liphantsi kwaye kulula ukuyiphatha, kodwa inomthamo omncinci wokuthwala.

I-ASTM A913
Iibhilikhi ezikroliweyo
Iibhulorho ezinde
Amabala emidlalo kunye neeholo zorhwebo
Iiprojekthi ezinkulu zemizi-mveliso
Isizathu: Amalungu amancinci kunye nobude obude bunokufezekiswa ngamandla aphezulu kakhulu.

Imarike kunye nokukhethwa kweSithili

Ulwakhiwo lweNsimbi lwe-ASTM A992: Ifumaneka eMelika naseKhanada, eMbindi Mpuma, eMzantsi-mpuma Asia kwiSakhelo seSakhiwo.

Ulwakhiwo lweNsimbi lwe-ASTM A572: Ikhethwa kakhulu kwiSithili saseMelika nakwiiNdawo eziJolise kwiZiseko zoPhuhliso ezifana neeBridges kunye neZakhiwo eziNzima.

Ulwakhiwo lweNsimbi lwe-ASTM A283: Isetyenziswa kakhulu kwihlabathi lesithathu ekwakheni izinto ezingabizi kakhulu nezilula.

Ulwakhiwo lweNsimbi lwe-ASTM A913: Isetyenziswa kakhulu kumazwe aphuhlileyo nakwiindawo ezinkulu zeprojekthi ezifana ne-USA, iYurophu, uMbindi Mpuma, neMpuma Asia.

Iingqwalasela zeendleko kunye nezoQoqosho

A283Ixabiso eliphantsi kunye nomgangatho ophantsi

A992: Ixabiso eliphakathi, ulungelelwaniso oluhle lokuqina kunye nokulula kokwenziwa

A572Ixabiso lixhomekeke kwinqanaba

A913: Ixabiso eliphezulu ngeyunithi nganye, kodwa amandla aphezulu anciphisa itoni yentsimbi iyonke

Iintsimbi ezinamandla aphezulu zinokunciphisa iindleko zeprojekthi zizonke ngokunciphisa ubungakanani bezinto zokwakha, ezothutho kunye nokufakwa kwazo.

Ukwenziwa kunye nokuWelda

A283: Kulula ukusika nokuwelda

A992: Yenzelwe ukudityaniswa ukuze isetyenziselwe ulwakhiwo

A572: Iyanyibilika, kodwa ulawulo oluqinileyo luyafuneka kwiimakethi eziphezulu

A913: Indlela entsha evumela amandla amahle okuwelda kumanqanaba aphezulu kakhulu okuqina.

Isishwankathelo kunye noThelekiso

Umgangatho Inqanaba lamandla Ukusetyenziswa Okuqhelekileyo Inqanaba leendleko Iimarike ezishushu
I-ASTM A992 Phezulu Izakhiwo, izakhelo Phakathi I-USA, uMbindi Mpuma, i-Asia yaseMzantsi-mpuma
I-ASTM A572 Phakathi–Phezulu Iibhulorho, izityalo Phakathi–Phezulu Amazwe aseMelika, imimandla yeZiseko zoPhuhliso
I-ASTM A283 Iphantsi Izakhiwo zokukhanya Iphantsi Afrika, eMzantsi Asia, eMbindi Melika
I-ASTM A913 Phezulu kakhulu Ii-skyscrapers, iiprojekthi ezinkulu Phezulu I-USA, iYurophu, uMbindi Mpuma, iMpuma Asia

I-ASTM A283, A992, A572 kunye ne-A913 ziindlela ezine zokusebenza kwesinyithi solwakhiwo. I-A283 yenzelwe uqoqosho, i-A992 yifreyimu yokwakha eqhelekileyo, i-A572 inikezela ngeendlela ezahlukeneyo zokomelela kweziseko zophuhliso kwaye i-A913 yeyona xabiso lilungileyo kwizicelo zesakhiwo esinzima nesiphezulu. Iiprojekthi zokwakha ezikhulayo zibangela ukufudukela ngokubanzi kwiintsimbi zolwakhiwo ezinamandla aphezulu kwimarike yamazwe ngamazwe.

Qhagamshelana nathi ukuze ufumane iinkcukacha ezithe vetshe:

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Amaxesha okusebenza

UMvulo-NgeCawa: Inkonzo yeeyure ezingama-24

Ixesha leposi: Jan-20-2026