China Quality Hot Rolled Flat Bar Steel
| akara ule | Ọkwa | Ngwakọta kemịkalụ% | ||||
| C | Mn | Si | S | P | ||
| Q235 | A/B | 0.12-0.22 | 0.30-0.65 | ≤0.35 | ≤0.045 | ≤0.045 |
| akara ule | C% (t≤16mm) | Mn% | P% | S% | N | Cu | CEV② (t≤40mm) |
| S235JR | ≤0.17 | ≤1.40 | ≤0.035 | ≤0.035 | ≤0.012 | ≤0.55 | ≤0.35 |
| S275JR | ≤0.21 | ≤1.50 | ≤0.035 | ≤0.035 | ≤0.012 | ≤0.55 | ≤0.40 |
| akara ule | C | Mn | P | S |
| SS400 | --- | ---- | ≤0.050 | ≤0.050 |
Nkọwapụta ngwaahịa pụrụ iche.Ọkpụrụkpụ bụ 8-50mm, obosara 150-625mm, ogologo 5-15m, na ngwaahịa nkọwa na-anya oghere iji gboo mkpa nke ọrụ, na ike ga-eji kama nke ọkara efere, na-enweghị igbutu, na ike ozugbo welded.
Elu ngwaahịa ahụ na-egbuke egbuke ma dị ọcha.A na-eji usoro mmiri na-eme ka mmiri dị elu mee ihe maka oge nke abụọ.
Akụkụ abụọ ahụ kwụ ọtọ na nkuku doro anya.Nfefe nke abụọ nke ntụgharị kwụ ọtọ na ntụgharị dị mma na-eme ka ọ dị mma nke ọma n'akụkụ abụọ, nkuku doro anya na mma elu dị n'akụkụ.
Ọnụ ọgụgụ nke ngwaahịa ahụ ziri ezi, isi ihe atọ dị iche iche na otu ọkwa dị iche iche dị mma karịa ọkọlọtọ nke efere ígwè;ngwaahịa ahụ dị larịị ma kwụ ọtọ, na ọdịdị efere dị mma.Mpịakọta nkenke na-anabata usoro ntụgharị na-aga n'ihu, njikwa aka na-ebi ndụ akpaka iji hụ na enweghị nchara nchara na enweghị ndọta nchara, nha dị elu nke ngwaahịa ahụ, oke nnabata, ọdịiche dị atọ, otu ọkwa ọkwa, sickle bend na paramita ndị ọzọ dị mma karịa ọkara. efere, na efere kwụ ọtọ dị mma.Shiee oyi, oke ziri ezi nke ogologo nha.
Ngwa ngwaahịa na-anabata ọkọlọtọ mba, dị ka efere ígwè.A haziri ụkpụrụ dị mma na teknụzụ dị ka ọkọlọtọ YB/T4212-2010 (Q345B/Q235B na-ezo aka GB/T1591-94, n'otu n'otu.
1. Nchara a na-ekpo ọkụ na-ekpo ọkụ bụ ogologo oge, nke nwere ike ịkpụgharị ya na akụkụ akụkụ akụkụ anọ maka ojiji n'ozuzu ya.A na-egosipụta nkọwa ya na milimita nke ọkpụrụkpụ * obosara.Flat ígwè ike okokụre ígwè, eji maka components, ladders, àkwà mmiri na fences, wdg Flat ígwè nwekwara ike-eji dị ka billlets na slabs maka welded ígwè na laminated mpempe akwụkwọ.(Ihe: Q215, Q235), ụkpụrụ mmejuputa iwu: GB704-1988 kama GB704-83, ọkọlọtọ a na-emetụta ọkpụrụkpụ nke 3 ~ 60mm, obosara nke 10 ~ 200mm, akụkụ anọ cross-ngalaba nke izugbe-ebumnobi na-ekpo ọkụ na-akpọrepu flat steel .Ọkwa nnyefe: A na-ebunye ígwè dị larịị n'ogwe kwụ ọtọ.Nleba: A na-ewepụta nchara dị larịị nke ogologo ogologo yana ogologo ụmụ okorobịa site na ibu usoro.
2. akpụrụ akpụ ewepụghị ígwè bụ adịgboroja ogologo ígwè efere na a akụkụ anọ cross-ngalaba.Forging nwere ike ọ bụghị naanị na-enweta ụfọdụ udi na size nke forgings, kamakwa nwere ike budata melite nkedo ígwè nzukọ, melite njupụta nke ígwè;nwere ike ịgbanwe nkesa nke nhazi fiber, wepụ anisotropy, meziwanye ihe eji arụ ọrụ nke ígwè, ka ike na ike nke ígwè na-eme ka ọ dịkwuo mma;na ike hazie plasticity bụ ala na elu ígwè na elu alloy ígwè.Nchara akpara nke ọma bụ nchara dị elu, nke a na-ejikarị maka isi iyi, ngwaọrụ na akụkụ ndị dị mkpa.The nkọwapụta nke adịgboroja ewepụghị ígwè na-egosipụta na mm nke ọkpụrụkpụ * obosara, na nkọwapụta bụ 20mm * 40mm ~ 160mm * 300mm.ọkọlọtọ ogbugbu: GB/T16761-1
Nkebi nchara bụ otu n'ime isi anọ ụdị ígwè (efere, tube, ụdị, waya).Dị ka ọdịdị nke akụkụ ahụ si dị, a na-ekewa nchara nchara n'ime akụkụ dị mfe na nchara nchara (nchara akụkụ).Nke mbụ na-ezo aka na nchara square, gburugburu ígwè, ígwè dị larịị, nchara nchara, ígwè hexagonal, wdg;nke ikpeazụ na-ezo aka I-beam, ọwa ígwè, ígwè ụgbọ okporo ígwè, window etiti ígwè, ekwe ígwè, wdg.
Igwe nchara - akụkụ akụkụ nke akụkụ ígwè, ọkụ na-ekpo ọkụ na oyi na-atụ;na-ekpo ọkụ-akpọrepu square ígwè akụkụ ogologo 5-250mm;oyi-adọta square ígwè akụkụ ogologo 3-100mm.
Gburugburu nchara - gburugburu akụkụ nke ígwè, kewara n'ime na-ekpo ọkụ akpọrepu, forged na oyi na-atụ atọ atọ, na-ekpo ọkụ na-atụgharị gburugburu ígwè dayameta 5-250mm, nke 5-9mm na-ejikarị dị ka ngwaọrụ maka ịbịaru ígwè waya, na-akpọ waya mkpanaka. ;dị ka n'ime efere efere ka a na-akpọkwa igwe ọkụ na-ekpo ọkụ.Nchara agbagoro agbagoro agbagoro agbagoro kariri, ejiri ya dị ka billet aro.Dayameta nchara gburugburu oyi na-adọkpụ 3-100mm, nha nha dị elu.
Igwe nkuku - kewara n'ime ụdị abụọ nke nha nha na nha nha nha.A na-egosipụta nkọwapụta nke nchara nchara site na nha nke ogologo akụkụ na oke akụkụ.Na-emekarị nkọwa nke nchara nchara na-emepụta bụ Nke 2-20, ntụgharị ọnụ ọgụgụ nke centimita nke ogologo akụkụ.Dị ka No. 5 equilateral n'akuku ígwè na-ezo aka n'akụkụ ogologo nke 5cm (50mm) n'akuku ígwè.Otu ọnụ ọgụgụ nke akụkụ na-enwekarị 2-7 akụkụ dị iche iche.
Ụzọ mgbako nchara dị larịị
Igwe anaghị agba nchara: arọ kwa mita = 0.00785 * ọkpụrụkpụ * obosara akụkụ
