Ngaba ufuna ukwazi okungakumbi malunga neenkcukacha kunye nobukhulu beenqwaba zeeshiti zentsimbi?
Iipali ze-GB/T 20933 Hot Rolled Q235B Q355B U-Type kunye ne-Z-Type Steel Sheet
Iinkcukacha zeMveliso
| Uphawu | Inkcazo |
|---|---|
| Umgangatho | GB/T 20933 |
| Ibanga | Q235B / Q355B |
| Uhlobo | Iinqwaba zePhepha zeNsimbi ze-U / Z / Larssen |
| Ukuvelisa | Inqwaba yeShiti yeNsimbi eSongiweyo eshushu |
| Ubude | 6m – 18m (Iinqwaba zePhepha zoBude obuKhethekileyo) |
| Ububanzi | 400mm – 900mm (Kuxhomekeke kwiprofayili) |
| Ubukhulu | 6mm – 25mm |
| Umphezulu | Ukugqitywa kweMill / Igalelwe ngesinyithi / Igqunyiwe |
| Isitokhwe Esilungeleyo | Iitoni ezingaphezu kwe-1000 ziyafumaneka |
| Ithunyelwe Ku | Umzantsi-mpuma weAsia / uMbindi Mpuma / iMelika |
| Ukuhanjiswa | Ixabiso Elithe Ngqo Lomzi-mveliso, Iintsuku Ezisi-7–15 |
I-GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Chemical Composition
| Ibanga lentsimbi | C | Mn | P | S | Si |
|---|---|---|---|---|---|
| Q235B | ≤0.22% | 0.30–0.70% | ≤0.045% | ≤0.045% | ≤0.35% |
| Q355B | ≤0.20% | 1.00–1.60% | ≤0.035% | ≤0.035% | ≤0.55% |
Iipropati zeMechanical zePile yeShiti yeNsimbi ye-GB/T 20933 eQ235B Q355B yeHot Rolled Q235B Q355B yeSteel Sheet
| Ibanga lentsimbi | Unikeze Amandla | Tensile strength | Ukwandiswa | Amandla empembelelo |
|---|---|---|---|---|
| Q235B | ≥235 MPa | 370–500 MPa | ≥26% | ≥27 J |
| Q355B | ≥355 MPa | 470–630 MPa | ≥22% | ≥27 J |
Ingcaciso:
Amandla okuVuna (ReH)Amandla okuvelisa, uxinzelelo apho intsimbi iqala khona ukuguquka kweplastiki.
Amandla okuThamba (Rm): Amandla okutsalwa, uxinzelelo oluphezulu ngaphambi kokuba kuqhekeke intsimbi.
Ukwandiswa (A%): Ukwandiswa, ipesenti yezinto ezinde ngaphambi kokuba zaphuke, nto leyo ebonisa ukuqina.
Amandla empembelelo (J): Ukuqina kwempembelelo (iCharpy V-notch), ixabiso elisetyenziswa rhoqo kwi-20°C, lifanelekile kwiimfuno zendalo yokwakha.
Ubungakanani bePile yeSheet yentsimbi ye-GB/T 20933 eQ235B Q355B eshushu eqengqelekayo
| Icandelo | Ububanzi | Ubude | Ubukhulu | Indawo enqamlezileyo | Ubunzima | I-Elastic Section Modulus | Ixesha le-Inertia | Indawo yokugquma (macala omabini ngenqwaba nganye) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| (w) | (h) | I-Flange (tf) | Iwebhu (tw) | Ngenqwaba nganye | Ngodonga ngalunye | |||||
| mm | mm | mm | mm | cm2/m | kg/m | kg/m2 | cm3/m | cm4/m | m2/m | |
| Uhlobo II | 400 | 200 | 10.5 | - | 152.9 | 48 | 120 | 874 | 8,740 | 1.33 |
| Uhlobo lwesithathu | 400 | 250 | 13 | - | 191.1 | 60 | 150 | 1,340 | 16,800 | 1.44 |
| Uhlobo lwe-IIIA | 400 | 300 | 13.1 | - | 186 | 58.4 | 146 | 1,520 | 22,800 | 1.44 |
| Uhlobo lwesine | 400 | 340 | 15.5 | - | 242 | 76.1 | 190 | 2,270 | 38,600 | 1.61 |
| Uhlobo lwe-VL | 500 | 400 | 24.3 | - | 267.5 | 105 | 210 | 3,150 | 63,000 | 1.75 |
| Uhlobo IIw | 600 | 260 | 10.3 | - | 131.2 | 61.8 | 103 | 1,000 | 13,000 | 1.77 |
| Uhlobo lwe-IIIw | 600 | 360 | 13.4 | - | 173.2 | 81.6 | 136 | 1,800 | 32,400 | 1.9 |
| Uhlobo lwe-IVw | 600 | 420 | 18 | - | 225.5 | 106 | 177 | 2,700 | 56,700 | 1.99 |
| Uhlobo lwe-VIL | 500 | 450 | 27.6 | - | 305.7 | 120 | 240 | 3,820 | 86,000 | 1.82 |
I-GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Lock kunye nokusebenza okungangeni manzi
Uyilo: Inqwaba yePhepha leNsimbi eQhagamshelanayo, ukuvuleka kwamanzi ≤1×10⁻⁷ cm/s
Amazwe aseMelika: Ihlangabezana nomgangatho we-ASTM D5887 weLiner yokunciphisa ukuvuza phantsi kweeDrums
Mzantsi-mpuma weAsia: Ilungele ukuvuza kwamanzi angaphantsi komhlaba ngamaxesha emvula ashushu
Inkqubo yokuvelisa inqwaba yesinyithi ye-GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile
1. Ukukhethwa kwezinto ezingavuthwanga
Iibhilethi zesinyithi zekhabhoni ezikumgangatho ophezulu (Q235B / Q355B) zikhethwa ngononophelo kwaye zivavanywa ukuqinisekisa ukuba ukwakheka kweekhemikhali kuyahlangabezana nemigangatho ye-GB/T 20933.
2. Ukufudumeza iiBillet
Iibhilethi zentsimbi zifudunyezwa kwisithando somlilo esihlala sifudunyezwa ukuya kuthi ga kwi1150–1250°C, ukuqinisekisa ubushushu obufanayo ukuze kusebenze kakuhle ukuqengqeleka.
3. Ukuqengqeleka okuPhambili (Ukuqengqeleka okuHlahlakeleyo)
Iibhilethi ezishushu zidlula kwii-rough rolling mills ukuze kuncitshiswe ubukhulu kwaye zenze iimilo zokuqala.
4.Gqibezela ukuqengqeleka
Intsimbi iqhubekeka icutshungulwa ngokusebenzisa ii-mill zokugqiba ukuze kufezekiswe ubungakanani obuchanekileyo, ubukhulu, kunye neempawu zoomatshini ezifunekayo kwiinqwaba zamaphepha.
5. Ukwenziwa kweProfayili
Kusetyenziswa izixhobo ezikhethekileyo zokuqengqeleka, intsimbi ibunjwa ibeIinqwaba zamaphepha ohlobo lwe-U okanye lwe-Z, ukuqinisekisa ukuba imiphetho edibeneyo iyasebenza ngokuchanekileyo xa kusetyenzwa ekwakheni.
6. Ukupholisa okuLawulwayo
Iinqwaba zeeshiti zipholiswa ngumoya olawulwayo okanye zipholiswe ngokukhawuleza ukuze kuphuculwe ulwakhiwo lweenkozo kwaye kufumaneke amandla nokuqina okufunekayo.
7. Ukulungisa kunye nokulungelelanisa
Iinqwaba zeeshiti ezigqityiweyo zilungiswa kusetyenziswa oomatshini bokulinganisa ukuqinisekisa ukuchaneka kobukhulu kunye nokulungelelaniswa okufanelekileyo.
8. Ukusika kunye noBude ngokwezifiso
Iingqumba zesinyithi zinqunyulwa zibe nobude obufunekayo (ngesiqhelo6m–18m) kunye nokugqitywa okanye ukuhonjiswa okukhethwayo.
I-GB/T 20933 Hot Rolled Q235B Q355B Steel Sheet Pile Surface
Amazwe aseMelika:HDG njenge-ASTM A123 (uboya obuncinci be-zinc ≥ 85 µm); Uboya be-3PE abunyanzelekanga; zonke iziphelo ziyahambelana ne-RoHS.
Mzantsi-mpuma weAsia:Ubukhulu be-hot dip galvanized yi-hollyh (ngaphezulu kwe-100μm), kwaye kufakwa iileya ezimbini ze-epoxy coal tar coating, ingatshizwa ngetyuwa ivavanywe iiyure ezingama-5000 ngaphandle kokugqwala, yeyona ilungileyo ekusetyenzisweni kwendalo yaselwandle eshushu.
ISICELO
1. Inqwaba yentsimbi yoLwakhiwo lweZibuko:Isetyenziselwa ukwakha amazibuko, iidokhi, kunye neendonga ze-quay, inika inkxaso eqinileyo yesakhiwo kunye nokuqina ixesha elide kwiindawo zaselwandle.
2. Inqwaba yentsimbi yokukhusela iRiverbank:Yenzelwe ukuzinzisa unxweme lomlambo, ukuthintela ukukhukuliseka komhlaba, kunye nokukhusela kwimpembelelo yokuhamba kwamanzi kunye nezikhukula.
3. Inqwaba yentsimbi yesiseko seBridge:Isetyenziswa ekwakheni iibhulorho ukubonelela ngenkxaso yesiseko esinzulu nokuqinisekisa uzinzo lwesakhiwo phantsi kwemithwalo enzima.
4. Ulwakhiwo olungaphantsi komhlaba lweNsimbi:Isetyenziswa kwiindawo ezingaphantsi komhlaba, kwiitonela, nakwizakhiwo ezingaphantsi komhlaba ukuze inike inkxaso ethembekileyo yokugcina umhlaba kunye nokwemba.
Kutheni Ukhetha Intsimbi Yasebukhosini YaseTshayina Yeenqwaba Zeeshiti Zensimbi
1. Amandla aphezulu kunye nokuqina
Iiklasi zentsimbi ze-Q235B kunye ne-Q355B zibonelela ngesivuno esihle kunye namandla okutyhafa, amandla amahle okuthwala umthwalo kunye nokuzinza kwesakhiwo ixesha elide kwindawo enzima yokwakha efana nesicelo seMarine kunye nesiseko.
2. Iiprofayili ezininzi ziyafumaneka
SinikezelaIinqwaba zamaphepha ohlobo lwe-U kunye nohlobo lwe-Zngeenkqubo ezichanekileyo zokutshixa, ezinika umakhi uluhlu lweendlela zoyilo eziguquguqukayo ukuhlangabezana neemfuno ezahlukeneyo zobunjineli kubandakanya iindonga zokugcina, ii-cofferdams kunye neziseko ezinzulu.
3. Iinketho zokuxhathisa ukugqwala
Ukugqitywa komphezulu I-hot-dip galvanizing, unyango lokuthintela ukugqwala. Ukuqina kwenkonzo kuphuculwe kakhulu, ezi mveliso zingasetyenziselwa okusingqongileyo okugqithisileyo njengamanzi olwandle, ecaleni komlambo, indawo enomswakama ophezulu njl.
4. Ukwenziwa ngokwezifiso okuguquguqukayo
Sixhasa ukwenziwa ngokwezifiso okupheleleyo kobude (6m–18m), ubukhulu, ububanzi, kunye nokucubungula okukhethekileyo (ukusika, ukubhola, unyango lomphetho) ukuze kuhlangatyezwane neemfuno ezithile zoyilo lweprojekthi kunye nobunjineli.
5. Uluhlu Olukhulu Lwempahla Nokufumaneka Okukhawulezayo
Ngeetoni ezingaphezu kwe-1000 zeetoni ezisele zilungile, siqinisekisa ukucwangciswa ngokukhawuleza kwee-odolo kunye nokunikezelwa okuzinzileyo, sinceda abathengi ukunciphisa ukulibaziseka kweprojekthi kunye noxinzelelo lwezinto ezisetyenzisiweyo.
6. Amaxabiso ngqo eFektri
Sinikezela ngokuthe ngqo kwifektri yethu kwaye akukho mntu uphakathi, nto leyo esivumela ukuba sikunike ixabiso elihle, umgangatho ohambelanayo kunye nenkonzo engabizi kakhulu kwiiodolo ezinkulu kunye neeprojekthi zexesha elide.
UKUPAKISHA NOKUTHUMELA
Zethuiinqwaba zeshiti zentsimbiZipakishwe ngokuqinileyo ngentsimbi eneeproteni ezininzi ezihambisana neekona zokukhusela ukuthintela ukugoba okanye ukubhitya ngexesha lokuphathwa. Kwiinqwaba ezigayiweyo okanye ezipeyintiweyo, ukusonga okuncinci okanye ukupakishwa okugqunyiweyo kunokunikezelwa njengendlela yokukhusela umhlwa ngexesha lokuthunyelwa kwexesha elide okanye elwandle. Iinqwaba zingathunyelwa ngezikhongozeli, iirakhi ezisicaba, imithwalo emikhulu kwaye lonke ulawulo lwenziwa ngomgangatho oqinileyo wokhuseleko ukuqinisekisa ukuba ufumana iinqwaba zikwimeko entle kwindawo yakho kwiintsuku ezisi-7 ukuya kwezili-15.
FAQ
Q1: Ngawaphi amanqanaba entsimbi owabonelelayo kwiinqwaba zeeshiti?
A: Sibonelela ngee-GB/T 20933 Q235B kunye nee-Q355B grades, ezifanelekileyo kwiinqwaba zamaphepha ohlobo lwe-U kunye nohlobo lwe-Z.
Umbuzo 2: Ngaba ndingayilungisa ubude, ububanzi, okanye ubukhulu beenqwaba zamaphepha?
A: Ewe, sinikezela ngokwenziwa ngokwezifiso ngokupheleleyo kobukhulu (ubude 6–18m, ubukhulu 6–25mm, ububanzi buxhomekeke kwiprofayili) ukuze kuhlangatyezwane neemfuno zeprojekthi.
Q3: Lithini ixesha eliqhelekileyo lokuhambisa?
A: Ukuhanjiswa ngqo kwifektri kudla ngokuthatha iintsuku ezisi-7 ukuya kwezili-15, kuxhomekeke kubungakanani beodolo kunye nendawo ekuyiwa kuyo.
Umbuzo 4: Ngaba niyazibonelela izatifikethi zokuhlola?
A: Ewe, sinikezela ngeengxelo ezipheleleyo zovavanyo lwe-GB/T 20933 mill, izatifikethi zovavanyo loomatshini kunye neekhemikhali, kunye namanye amaxwebhu okuhlola xa eceliwe.
Umbuzo 5: Zeziphi izicelo ezifanelekileyo zeepali zakho zephepha?
A: Izicelo eziqhelekileyo ziquka ulawulo lwezikhukula, ukwakhiwa kweelwandle, iindonga zokugcina amanzi, ii-cofferdams, inkxaso yesiseko, ukwakhiwa kweechweba, kunye nokukhuselwa konxweme lomlambo.












