Khoasolla tsa morao-raoHEA HEB TŠEPE BETEAMLitlhaloso le Litekanyo.
EN 10025-2 S355K2 Sefate sa Tšepe sa Sebopeho se Sephara sa Flange bakeng sa Kaho ea Meralo ea Motheo
S355K2Libalaka tsa Hke litšepe tsa meaho tse se nang motsoako tse matla a holimo tsa boemo bo holimo tlas'a maemo a Europe a EN 10025-2. Sehlopha sa bona sa "K2" se emela ts'ebetso e ntle ea tšusumetso ea mocheso o tlase, e bolokang botsitso ba meaho tlas'a maemo a leholimo a feteletseng le meroalo e matla haholo. Jwalo ka sebopeho se sephara, se fana ka khanyetso e kholo ea torsional le katleho ea karolo ho feta li-I-beams tse tloaelehileng.
S355: Matla a fokolang a tlhahiso ke 355 MPa.
K2: Matla a tshusumetso a seng ka tlase ho 40 J ho -20°C (a phahameng ho feta J2 grade 27 J).
Moralo: Karolo e nang le sephara se seholo, e loketse meaho e tjheseditsweng, e nang le dibolte le e nang le di-rivets.
| Ntho | Lintlha tse qaqileng |
| E tloaelehileng | EN 10025-2:2004 |
| Kereiti ea Tšepe | S355K2 (+AR/+N/M) |
| Mofuta oa Karolo | HEA (IPBL), HEB (IPB), HEM (IPBV), W-Sections |
| Tekanyetso ea Tekanyo | EN 10034 (Tolerances), DIN 1025 |
| Bolelele | 6m, 9m, 11.8m, 12m kapa e etselitsoeng litlhoko tsa projeke |
| Phekolo ea Bokaholimo | Ho phatloha ha lithunya (Sa 2.5), primer e nang le zinki e ngata, galvanizing e chesang (ISO 1461) |
Lintlha tsa Tekheniki
EN 10025 S355K2 Lehlakore la Tšepe le bōpehileng joaloka HSebopeho sa Lik'hemik'hale
| Karolo | C | Si | Mn | P | S | Cu | CEV |
| Boholo. % | 0.20% | 0.55% | 1.60% | 0.03% | 0.03% | 0.55% | ≤ 0.45 |
Lintlha:
C ≤ 0.20% bakeng sa botenya ≤ 40mm
CEV ≤ 0.45 bakeng sa botenya ≤ 30mm
EN 10025 S355K2 Lehlakore la Tšepe la SebopehoThepa ea Mechini
| Thepa | Boleng | Boemo |
| Matla a Tlhahiso (ReH) | 355 MPa | Botenya ≤ 16 mm |
| 345 MPa | 16 – 40 mm | |
| 335 MPa | 40 – 63 mm | |
| Matla a ho Tenyetseha (Rm) | 470 – 630 MPa | Botenya ≤ 100 mm |
| Ho Lelefatsa (A) | ≥ 20% | Longitudinal, ≤ 40mm |
| Matla a Tšusumetso (KV) | ≥ 40 J | Ho -20°C (Longitudinal) |
| Boemo ba ho Romela | +AR / +N / +M | Jwalo ka ha e phuthilwe / e tlwaelehile / e phuthilwe ka thermomechanically |
| Tlhophiso | G Kg/m | h mm | b mm | tw mm | tf mm | r mm | A mm² x10² | Lumela mm | d mm | Ø | Pmin mm | Pmax mm | AL m²/m | AG m²/t |
| HE 100 AA* | 12,2 | 91 | 100 | 4,2 | 5,5 | 12 | 15,6 | 80 | 56 | M10 | 54 | 58 | 0,553 | 45,17 |
| HE 100 A | 16,7 | 96 | 100 | 5 | 8 | 12 | 21,2 | 80 | 56 | M10 | 54 | 58 | 0,561 | 36,68 |
| HE 100 B | 20,4 | 100 | 100 | 6 | 10 | 12 | 26,0 | 80 | 56 | M10 | 56 | 58 | 0,567 | 27,76 |
| HE 100 C* | 30,9 | 110 | 103 | 9 | 15 | 12 | 39,3 | 80 | 56 | M10 | 59 | 61 | 0,593 | 19,23 |
| HE 100 M | 41,8 | 120 | 106 | 12 | 20 | 12 | 53,2 | 80 | 56 | M10 | 62 | 64 | 0,619 | 14,82 |
| HE 120 AA* | 14,6 | 109 | 120 | 4,2 | 5,5 | 12 | 18,6 | 98 | 74 | M12 | 58 | 68 | 0,669 | 45,94 |
| HE 120 A | 19,9 | 114 | 120 | 5 | 8 | 12 | 25,3 | 98 | 74 | M12 | 58 | 68 | 0,677 | 34,06 |
| HE 120 B | 26,7 | 120 | 120 | 6,5 | 11 | 12 | 34,0 | 98 | 74 | M12 | 60 | 68 | 0,686 | 25,71 |
| HE 120 C* | 39,2 | 130 | 123 | 9,5 | 16 | 12 | 49,9 | 98 | 74 | M12 | 63 | 72 | 0,712 | 18,19 |
| HE 120 M | 52,1 | 140 | 126 | 12,5 | 21 | 12 | 66,4 | 98 | 74 | M12 | 66 | 74 | 0,738 | 14,16 |
| HE 140 AA* | 18,1 | 128 | 140 | 4,3 | 6 | 12 | 23,0 | 116 | 92 | M16 | 64 | 76 | 0,787 | 43,53 |
| HE 140 A | 24,7 | 133 | 140 | 5,5 | 8,5 | 12 | 31,4 | 116 | 92 | M16 | 64 | 76 | 0,794 | 32,21 |
| HE 140 B | 33,7 | 140 | 140 | 7 | 12 | 12 | 43,0 | 116 | 92 | M16 | 66 | 76 | 0,805 | 23,88 |
| HE 140 C* | 48,2 | 150 | 143 | 10 | 17 | 12 | 61,5 | 116 | 92 | M16 | 69 | 79 | 0,831 | 17,22 |
| HE 140 M | 63,2 | 160 | 146 | 13 | 22 | 12 | 80,6 | 116 | 92 | M16 | 72 | 82 | 0,857 | 13,56 |
| HE 160 AA* | 23,8 | 148 | 160 | 4,5 | 7 | 15 | 30,4 | 134 | 104 | M20 | 76 | 84 | 0,901 | 37,81 |
| HE 160 A | 30,4 | 152 | 160 | 6 | 9 | 15 | 38,8 | 134 | 104 | M20 | 78 | 84 | 0,906 | 29,78 |
| HE 160 B | 42,6 | 160 | 160 | 8 | 13 | 15 | 54,3 | 134 | 104 | M20 | 80 | 84 | 0,918 | 21,56 |
| HE 160 C* | 59,2 | 170 | 163 | 11 | 18 | 15 | 75,4 | 134 | 104 | M20 | 84 | 88 | 0,944 | 15,95 |
| HE 160 M | 76,2 | 180 | 166 | 14 | 23 | 15 | 97,1 | 134 | 104 | M20 | 86 | 90 | 0,970 | 12,74 |
Tobetsa Konopo e ka ho le letona
| Boholo ba Karolo (H × B) mm | Botenya ba webe (t1) mm | Botenya ba Flange (t2) mm | Boima (kg/m2) | Tšebeliso e Tloaelehileng |
| 100 × 100 | 4.5 – 6.5 | 6 - 10 | 17 – 22 | Liforeimi tsa tšepe tse bobebe–tse mahareng |
| 150 × 150 | 5.5 – 8.0 | 7 – 12 | 32 – 40 | Meaho ea bolulo le ea khoebo |
| 200 × 200 | 6.5 – 10 | 8 – 14 | 52 – 66 | Lithupelo tsa indasteri |
| 250 × 250 | 8 – 12 | 10 – 16 | 75 – 95 | Matlo a polokelo, foreimi e boima |
| 300 × 300 | 9 – 14 | 11 – 18 | 100 – 125 | Meaho e meholo |
| 400 × 400 | 14 – 24 | 16 - 30 | 160 – 220 | Marokho le meralo ea motheo e boima |
Ho hloka botsitso ho phahameng haholo: Ho tiea ha tshusumetso ya 40J ho fana ka tshireletso e ntle ya ho thibela ho robeha ha brittle bakeng sa sebopeho, haholo-holo e loketseng metheo e boima ya mechini kapa mahlakore a maholo a borokho a ka mamellang matla a ho thothomela le a tshusumetso.
Tšepahalo e ntle ea ho tjheseletsa: taolo e tiileng ea tekanyo ea khabone (CEV) e netefatsa boleng bo botle ba manonyeletso nakong ea ho tjheseletsa lipoleiti tse teteaneng, e leng se fokotsang kotsi ea ho petsoha ho liehang.
Boima ba sebopeho bo ntlafalitsoeng: Karolelano e phahameng ea matla le boima e lumella baenjiniere ho sebelisa likarolo tse bobebe ho fihlela lipheo tse phahameng tsa ho jara mojaro, ho boloka litšenyehelo tsa thepa le lipalangoang.
Ho sebetsa lefatšeng ka bophara: e etselitsoe ka ho khetheha libaka tse batang tse phahameng kapa maemo a feteletseng a mosebetsi.
Meaho e polar le e bophahamong bo phahameng: litšehetso tsa lisebelisoa tsa merafo le liteishene tsa matla tse sebetsang libakeng tse nang le mocheso o tlase.
Meralo ea motheo e boima: marokho a terene a lebelo le phahameng, lifeme tse kholo tsa indasteri, le liforeimi tsa mantlha tsa mehaho e melelele.
Boenjiniere ba Likepe le Likepe: Metheo ea Pile ea Lithapo, Likarolo tsa Sethala sa Offshore, Libalaka tse Kholo tsa Crane.
Boenjiniere ba Matla: Setsi se seholo sa tora ea turbine ea moea, sebopeho sa heke ea seteishene sa motlakase oa metsi.
Taolo ea Boleng le ho Latela Melao
Setifikeiti sa thepa: Fana ka setifikeiti sa EN 10204 3.1 sa moetsi wa pele, se rekotang sebopeho sa dikhemikhale le data ya teko ya mmele bakeng sa nomoro e nngwe le e nngwe ya mocheso.
Teko ea Ultrasonic (UT): E ka etsa liteko tse tloaelehileng tsa EN 10160 ho latela litlhoko ho netefatsa hore ha ho na liphoso kahare.
Phano ea lefats'e ka bophara: Ka boiphihlelo bo bongata ba ho kenya thepa ka har'a lijana (ho kenya thepa ka matla) le ts'ebetsong ea ho tsamaisa thepa ka bongata, ho akaretsa likou tse kholo tsa Asia Boroa-bochabela, Bochabela bo Hare le Amerika.
Li-H-beam tsa rona li tlameletsoe ka mokhoa o sireletsehileng ka thapo ea tšepe, li phuthetsoe ka tarpaulin e sa keneleng metsi, 'me li sirelelitsoe ka mekotla ea desiccant le oli e thibelang mafome ho qoba mafome nakong ea thomello e telele. Sephutheloana se seng le se seng se ngotsoe ka ho hlaka ka sehlopha, boholo, nomoro ea sehlopha le lintlha tsa setifikeiti sa teko bakeng sa ho khetholla habonolo. Re tšehetsa sephutheloana se ikhethileng bakeng sa lipalangoang tsa setshelo kapa flatbed. Ka tšebelisano e tsitsitseng le mela e meholo ea thomello ho kenyeletsoa MSK, MSC le COSCO, re netefatsa hore thomello e etsoa ka nako: Matsatsi a 7-15 bakeng sa lintho tse rekisoang, matsatsi a 15-30 bakeng sa liodara tse ngata. Taolo e tiileng ea boleng e sebelisoa ho pholletsa le liphutheloana le ho kenya thepa ho netefatsa hore thomello e phethiloe hantle koung ea hau e khethiloeng.
1. S355K2 ke eng?
Tšepe ea sebopeho e matla haholo (EN 10025-2) e nang le matla a tlhahiso ea 355MPa, bakeng sa meralo ea motheo e boima.
2. K2 e bolela'ng?
Ho tiea ho babatsehang ha mocheso o tlase: ≥40J ho -20°C, ho bolokehile ebile ho tiile ho feta S355J2.
3. Likopo tse ka sehloohong?
Marokho, mehaho e melelele, mabala a lipapali, meaho ea indasteri, le merero e meholo ea meralo ea motheo.
4. Lisetifikeiti lia fumaneha?
EN 10204 3.1/3.2 MTC, e tšehetsang tlhahlobo ea SGS, BV, Intertek ea mokha oa boraro.
5. Phano le tšebeletso?
Boholo bo ikhethileng, sephutheloana se sireletsehileng, thomello ka nako, tšehetso e felletseng ea tekheniki bakeng sa merero.
Lintlha tsa ho ikopanya
Aterese
Sebaka sa indasteri ea nts'etsopele ea Kangsheng,
Setereke sa Wuqing, toropo ea Tianjin, China.
Imeile
Mohala
Lihora
Mantaha-Sontaha: Tšebeletso ea lihora tse 24











