Q355/Q355B Carbon Steel H-Beam e Ikhethileng bakeng sa Kaho Bongata Bongata Theko e Tlhōlisanong Ho Seha ho Koba hoa Fumaneha
Bere ea H e Chesitsoeng e ChesangKarolo e tšekaletseng e na le webo (karolo e bohareng e otlolohileng) le di-flange (dikarolo tse rapameng ka mahlakoreng ka bobedi). Di-flange di na le bokahodimo ba kahare le ba kantle bo bapileng, mme phetoho ho webo e bōpehile jwalo ka arc. Moralo ona o fana ka melemo e latelang:
Matla a matla a ho kokobela: Modulus ea karolo e phahameng e eketsa haholo bokhoni ba ho jara mojaro ba li-I-beam tsa setso le likanale ka boima bo tšoanang.
Botsitso bo phahameng ba sebopeho: Bophara ba flange bo lekanang bo fana ka ho tiea ho hoholo ka mahlakoreng, e leng se etsang hore e lokele ho tshehetsa meroalo e mahlakoreng a mabedi.
Bokgoni bo phahameng ba thepa: Bothata ba khatello ea maikutlo bo amanang le likarolo tsa tšepe tsa setso bo fokotsehile, e leng se bolokang 10% ho isa ho 30% ea tšepe.
| Karolo | Dikahare (%) |
| Khabone (C) | ≤ 0.20–0.24 |
| Silicone (Si) | ≤ 0.55 |
| Manganese (Mn) | ≤ 1.60 |
| Fosforase (P) | ≤ 0.035 |
| Sebabole (S) | ≤ 0.035 |
| Nb + V + Ti | ≤ 0.12 |
| Chromium (Cr) | ≤ 0.30 |
| Nikele (Ni) | ≤ 0.50 |
Matla a Tlhahiso (MPa)
| Botenya (mm) | Matla a Tekanyo |
| ≤ 16 | ≥ 355 |
| 16 – 40 | ≥ 345 |
| 40 – 63 | ≥ 335 |
| 63 – 80 | ≥ 325 |
| 80 – 100 | ≥ 315 |
| 100 – 150 | ≥ 305 |
| 150 – 200 | ≥ 285 |
Matla a ho Tenyetseha (MPa)
| Botenya ba mefuta e fapaneng | Matla a tšepe |
| ≤ 80 mm | 470 – 630 |
| 80 – 150 mm | 450 – 600 |
| ≥ 150 mm | 450 – 600 |
Ho lelefatsa
| Thepa | Boleng |
| Ho lelefatsa (%) | ≥ 21–22 |
Teko ea Tšusumetso (Kereiti ea Q355B)
| Ntho | Tlhokahalo |
| Teko ea Mocheso | 20°C |
| Matla a Tšusumetso | ≥ 27 J |
Mekhahlelo ea Tšepe e Lekanang
| E tloaelehileng | Sehlopha se Lekanang |
| EN | S355JR |
| ASTM | A572 Gr.50 |
Bere ea H e Chesitsoeng e ChesangKarolo e tšekaletseng e na le webo (karolo e bohareng e otlolohileng) le di-flange (dikarolo tse rapameng ka mahlakoreng ka bobedi). Di-flange di na le bokahodimo ba kahare le ba kantle bo bapileng, mme phetoho ho webo e bōpehile jwalo ka arc. Moralo ona o fana ka melemo e latelang:
Matla a matla a ho kokobela: Modulus ea karolo e phahameng e eketsa haholo bokhoni ba ho jara mojaro ba li-I-beam tsa setso le likanale ka boima bo tšoanang.
Botsitso bo phahameng ba sebopeho: Bophara ba flange bo lekanang bo fana ka ho tiea ho hoholo ka mahlakoreng, e leng se etsang hore e lokele ho tshehetsa meroalo e mahlakoreng a mabedi.
Bokgoni bo phahameng ba thepa: Bothata ba khatello ea maikutlo bo amanang le likarolo tsa tšepe tsa setso bo fokotsehile, e leng se bolokang 10% ho isa ho 30% ea tšepe.
Liparamitha
| Lebitso la sehlahisoa | Hot Rolled H-Mahlaseli |
| Sehlopha | Q235B, Q355B, SS400, ST37, SS41, A36, A992 H Beam jj. |
| Mofuta | Maemo a GB, Maemo a Yuropa, ASTM |
| Boholo | 1. Bophara ba Web (H): 100-900mm 2. Bophara ba Flange (B): 100-300mm 3. Botenya ba webe (t1): 5-30mm 4. Botenya ba Flange (t2): 5-30mm |
| Bolelele | Standard 6m le 12m kapa ho ya ka tlhoko ya moreki |
| Boholo bo Tloaelehileng | 6*12, 12*16, 14*22, 16*26 |
| Kopo | E sebelisoa haholo mehahong e fapaneng ea meaho, marokho, likoloi, li-bracker, mechini jj. |
| Ho paka | Romela sephutheloana se tloaelehileng kantle ho naha kapa ho latela tlhoko ea bareki |
Likaroloana
Tšepe ea H Beamke profil e theko e tlaase e nang le sebopeho sa karolo e tshekaletseng se tshwanang le tlhaku e kgolo ya Selatine h, e tsejwang hape e le mahlakore a tshepe a akaretsang, mahlakore a sephara a I kapa mahlakore a I a sephara a flange. Karolo ya tshepe e bōpehileng jwalo ka H hangata e kenyeletsa dikarolo tse pedi: webe le flange, e bitswang letheka le bohale. Botenya ba webe ba tshepe e bōpehileng jwalo ka H bo ka tlase ho ba mahlakore a tloaelehileng a I a nang le bophahamo bo tshwanang ba webe, mme bophara ba flange bo boholo ho feta ba mahlakore a tloaelehileng a I a nang le bophahamo bo tshwanang ba webe, kahoo e boetse e bitswa mahlakore a sephara a I a flange.
Kopo
Libalaka tsa H, ka lebaka la bokgoni ba tsona bo phahameng le katleho ya tsona, di fetohile thepa ya bohlokwa bakeng sa meaho ya tshepe ya sejwalejwale mme di sebediswa haholo ho:
Kaho: Liindasteri tsa indasteri, liforeimi tsa meaho e melelele, le libaka tse kholo (joalo ka boema-fofane le mabala a lipapali);
Boenjiniere ba Borokho: Libalaka tse kholo le lipier tsa marokho a terene le a litsela tse khōlō, haholo-holo mehaho ea tšepe e meholo;
Tlhahiso ea Mechine: Diforeimi tse boima tsa disebediswa, maballo a tsela ya crane, di-keel tsa dikepe, jj.;
Liindasteri tsa Matla le Lik'hemik'hale: Liforomo tsa tšepe, litora, lipier, le libaka tse ling tsa indasteri.
1. Litheko tsa hau ke life?
Litheko tsa rona li ka fetoha ho latela phepelo le lintlha tse ling tsa 'maraka. Re tla u romella lethathamo la litheko tse ntlafalitsoeng kamora ho ikopanya le k'hamphani ea hau.
re romelle bakeng sa tlhahisoleseling e batsi.
2. Na o na le bonyane ba odara e ngata?
E, re hloka hore liodara tsohle tsa machabeng li be le palo e fokolang ea odara e tsoelang pele. Haeba u batla ho rekisa hape empa ka bongata bo bonyenyane haholo, re khothaletsa hore u shebe webosaete ea rona.
3. Na o ka fana ka ditokomane tse amehang?
E, re ka fana ka boholo ba litokomane ho kenyeletsoa le Litifikeiti tsa Tlhahlobo / Tumellano; Inshorense; Tšimoloho, le litokomane tse ling tsa kantle ho naha moo ho hlokahalang.
4. Nako e tloaelehileng ea ho etella pele ke bokae?
Bakeng sa disampole, nako ea ho etella pele ke matsatsi a ka bang 7. Bakeng sa tlhahiso e kholo, nako ea ho etella pele ke matsatsi a 5-20 kamora ho fumana tefo ea depositi. Linako tsa ho etella pele li qala ho sebetsa ha
(1) re fumane depositi ea hau, 'me (2) re na le tumello ea hau ea ho qetela bakeng sa lihlahisoa tsa hau. Haeba linako tsa rona tsa ho etella pele li sa sebetse le nako ea hau ea ho qetela, ka kopo sheba litlhoko tsa hau mabapi le thekiso ea hau. Maemong 'ohle re tla leka ho fihlela litlhoko tsa hau. Maemong a mangata re khona ho etsa joalo.
5. Ke mefuta efe ea mekhoa ea ho lefa eo u e amohelang?
30% esale pele ka T/T, 70% e tla ba pele ho thomello ea motheo ho FOB; 30% esale pele ka T/T, 70% khahlanong le kopi ea BL ea motheo ho CIF.
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