Profaịlụ ígwè Q355B H Beam nke a na-akpọ Hot Rolled maka Ọrụ owuwu na Nhazi | Onye na-ebunye Ogwe ígwè siri ike nke ukwuu
| Ihe Ntụnyere | GB nke Chaịna (GB/T 1591)Q355B | European EN (EN 10025-2) S355JR / S355JO | ASTM nke Amerịka (A572/A572M) Klas 50 [345] |
| Ịkpọ aha dị mkpa | Q: Guzosie ike maka ike mmeputakwa 355: Uru mmepụta ≥355 MPa B: Ogo Ọkwa B (Nnwale Mmetụta 20°C) | S: Ígwè e ji arụ ụlọ 355: Uru mmepụta ≥355 MPa JR: Nnwale mmetụta na 20°C JO: Nnwale mmetụta na 0°C | Ọkwa 50: Ike mmepụta ≥50 ksi (ihe dị ka 345 MPa) |
| Ike Mwepụta | ≥355 MPa (maka ọkpụrụkpụ ≤16mm) | ≥355 MPa (maka ọkpụrụkpụ ≤16mm) | ≥50 ksi(≥345 MPa) |
| Ike ọdụdọ | 470−630 MPa | 470−630 MPa | ≥65 ksi(≥450 MPa) |
| Ogologo | ≥22% (maka ọkpụrụkpụ ≤40mm) | ≥22% (maka ọkpụrụkpụ ≤40mm) | ≥18% (n'ogologo nha 200mm) ≥21% (n'ogologo nha 50mm) |
| Mmetụta Siri Ike | Ike mmetụta ogologo oge na 20°C:≥34 J | JR: Ike mmetụta ≥27 J na 20°C JO: Ike mmetụta ≥27 J na 0°C | Ọ bụghị iwu na ọkọlọtọ (ọ gwụla ma onye zụrụ ya rịọrọ ya dị ka ihe mgbakwunye achọrọ, dịka ọmụmaatụ, ule CVN) |
| Ihe mejupụtara kemịkalụ (MAX) | C: ≤0.20% Mn: ≤1.60% Si: ≤0.50% P: ≤0.030% S: ≤0.030% | C: ≤0.24% (maka ọkpụrụkpụ ≤40mm) Mn: ≤1.60% Si: ≤0.55% P: ≤0.035% S: ≤0.035% | C: ≤0.23% Mn: 0.50−1.35% (ọ na-agbanwe agbanwe dịka ọkpụrụkpụ ya si dị) Si: ≤0.40% P: ≤0.040% S: ≤0.050% |
| Ihe nhata kabọn (CEV) | ≤0.45% (Ọnọdụ a na-akpọgharị ọkụ) | ≤0.45% (maka ọkpụrụkpụ ≤30mm) | CEV anaghị ejedebe ya nke ọma, kama ọ na-achịkwa ihe ndị na-agwakọta ihe (V, Nb, Ti, wdg) nke ọma. |
| Ihe | Ọdịnaya (%) |
| Kabọn (C) | ≤ 0.20–0.24 |
| Silikọn (Si) | ≤ 0.55 |
| Manganese (Mn) | ≤ 1.60 |
| Fọshọrọs (P) | ≤ 0.035 |
| Sọlfọ (S) | ≤ 0.035 |
| Nb + V + Ti | ≤ 0.12 |
| Chromium (Cr) | ≤ 0.30 |
| Nickel (Ni) | ≤ 0.50 |
Ike Mmepụta (MPa)
| Ọkpụrụkpụ (mm) | Ike Mwepụta |
| ≤ 16 | ≥ 355 |
| 16 – 40 | ≥ 345 |
| 40 – 63 | ≥ 335 |
| 63 – 80 | ≥ 325 |
| 80 – 100 | ≥ 315 |
| 100 – 150 | ≥ 305 |
| 150 – 200 | ≥ 285 |
Ike nrụgide (MPa)
| Oke ọkpụrụkpụ | Ike ọdụdọ |
| ≤ 80 mm | 470 – 630 |
| 80 – 150 mm | 450 – 600 |
| ≥ 150 mm | 450 – 600 |
Ogologo
| Akụ na ụba | Uru |
| Ogologo (%) | ≥ 21–22 |
Ule Mmetụta (Ọkwa Q355B)
| ihe | Ihe achọrọ |
| Okpomọkụ Ule | 20°C |
| Ike Mmetụta | ≥ 27 J |
Akara ígwè nhata
| Ọkọlọtọ | Ọkwa nhata |
| EN | S355JR |
| ASTM | A572 Gr.50 |
Ọkụ H a na-akpọgharị ọkụAkụkụ obe nwere weebụ (ngalaba etiti kwụ ọtọ) na flanges (ngalaba kwụ ọtọ n'akụkụ abụọ). Flanges ndị ahụ nwere elu dị n'ime na mpụta yiri ibe ha, mgbanwe na weebụ ahụ dịkwa ka arc. Nhazi a na-enye uru ndị a:
Ike siri ike nke mgbanwe: Modulu nke akụkụ dị elu na-eme ka ikike ibu ibu nke I-beams ọdịnala na ọwa dị n'otu ibu dịkwuo elu nke ukwuu.
Ịkwụsi ike dị elu nke ihe owuwu: Obosara flange otu ahụ na-enye ezigbo ike n'akụkụ, na-eme ka ọ dabara adaba maka ịkwado ibu abụọ.
Arụmọrụ ihe dị elu: Nsogbu nke nrụgide metụtara akụkụ ígwè ọdịnala ebelatala, na-azọpụta 10% ruo 30% nke ígwè.
Paramita
| Ihe teknụzụ | Nkọwapụta na Paramita zuru ezu |
| Ọkọlọtọ | Ụkpụrụ Mba China: GB/T 1591-2018 |
| Ọkwa ígwè | Q355B Ike Dị Elu nke Dị Ala Alloy Structural Steel H Beam |
| Ndị nha nhata mba ụwa | • Ụkpụrụ Ndị Yuropu: EN 10025 S355JR • Ụkpụrụ Amerịka: ASTM A572 Ọkwa 50 • Ọkọlọtọ Japanese: JIS G3101 SS400 (Ejiri ya dị ka nkwalite/nnọchi siri ike dị elu n'ọnọdụ owuwu ụfọdụ) |
| Ogologo Weebụ (H) | 100 mm - 900 mm (Nha ahaziri ahazi dị) |
| Obosara Flange (B) | 50 mm - 400 mm |
| Ọkpụrụkpụ weebụ (t1) | 5 mm - 30 mm |
| Ọkpụrụkpụ nke Flange (t2) | 7 mm - 50 mm |
| Ogologo | Ogologo 6m, 9m, 12m, ma ọ bụ nke ahaziri ahazi dịka atụmatụ ndị ahịa si dị |
| Usoro Mmepụta | A na-akpọgharị ọkụ ma ọ bụ a na-agbakọta ya / HF (Ugboro dị elu) a na-agbakọta ya |
| Ọgwụgwọ Elu | • Ígwè gba ọtọ / Ojii • Mkpuchi E ji aka kpuchie nke na-egbochi nchara • Ejiri ọkụ mee ka ọ dị ọkụ (Na-enye ike nchara dị elu maka ngwa ndị dị n'èzí) |
| Njirimara Mekaniki | • Ike Mmepụta: ≥355 MPa (maka ọkpụrụkpụ ≤16mm) • Ike nrụgide: 470−630 MPa• Nnwale Mmetụta: Ike mmetụta ogologo ≥34 J na 20°C |
| Asambodo Ogo | • MTC (Asambodo Ule Mill) nke kwekọrọ na EN 10204 3.1 enyere • Na-akwado nnwale na nnwale nke ndị ọzọ n'ebe ahụ site na SGS, BV (Bureau Veritas), ma ọ bụ TUV |
| Ngwa Ndị Dị Mkpa | • Usoro nhazi maka nnukwu ụlọ ọrụ mmepụta ihe na ụlọ elu dị elu • Àkwà mmiri na owuwu akụrụngwa obodo • Nkwado akụrụngwa, ntọala, na okpokolo agba nke igwu ala • Sistemụ ụlọ e ji aka rụọ |
- Ígwè ojii gba ọtọ: Ọ dị mma maka ojiji n'ime ụlọ na nhazi nke abụọ n'ebe ahụ.
- Mkpuchi praịmarị na-egbochi nchara: Na-egbochi oxidation na nchara n'oge njem ụgbọ mmiri na nchekwa obere oge.
- Galvanizing ọkụ: Na-emepụta mkpuchi zinc siri ike, nke siri ike maka iguzogide nchara ogologo oge. Ọ bụ nhọrọ kacha mma maka gburugburu mmiri dị n'ụsọ oké osimiri, mmiri mmiri, ụlọ ọrụ mmepụta ihe na gburugburu siri ike n'èzí iji mee ka ọrụ nhazi dịkwuo ogologo oge.
1. Arụmọrụ dị elu na nchekwa ọnụ ahịa
Site na nhazi nke kachasị mma, H-beams anyị nwere oke ike-na-arọ. N'okpuru otu ihe achọrọ ibu, ha belatara oriri ígwè site na 15%–30% ma e jiri ya tụnyere I-beams nkịtị, na-ebelata ọnụ ahịa ihe na ibu dị arọ. Efere dị mfe na-enyekwa ohere maka ọrụ ntọala dị mfe ma dị ọnụ ala, na-ebelata mmefu ọrụ niile.
2. Nrubeisi zuru oke na Ụkpụrụ Mba Nile maka Ngwa Dị Mfe
Ngwaahịa anyị na-agbaso nkọwapụta zuru ụwa ọnụ a ma ama, gụnyere EN 10025 (S355JR/S355JO) na ASTM A572 Gr 50. Ndị injinia na ndị na-azụ ahịa nwere ike iji ha ozugbo dị ka ihe nnọchi na-agbanweghị eserese owuwu, nke na-ezere nyocha teknụzụ na ọnụ ahịa mgbanwe.
3. Arụmọrụ Mekaniki a pụrụ ịtụkwasị obi na Nchekwa Nhazi
Ebe ike mmepụta ruru 355 MPa na ike nrụgide sitere na 470 ruo 630 MPa, ogwe osisi ndị a na-enye ikike ibu dị ike, ike mgbagọ dị ukwuu na iguzogide ala ọma jijiji a pụrụ ịdabere na ya. Anyị na-achịkwa ọdịnaya carbon na nha nhata carbon nke ọma, na-ahụ na enwere ike ịgbado ọkụ nke ọma maka nhazi ụlọ ọrụ mmepụta ihe na owuwu n'ebe ahụ, na-eme ka ihe owuwu ígwè kwụsie ike ma na-adịgide ogologo oge.
4. Ọgwụgwọ Elu Dị Iche Iche Maka Mgbochi Nrụgide Nrụrụ
Anyị na-enye ọtụtụ ihe eji arụ ọrụ n'elu: ígwè ojii a na-anaghị amị amị, ihe mkpuchi mgbochi nchara na ihe mkpuchi ọkụ. Akwa galvanized nke otu agba ahụ na-enye nchebe siri ike megide nchara, nke dị mma maka gburugburu ụlọ ọrụ mmepụta ihe dị n'ụsọ oké osimiri, mmiri mmiri na ebe siri ike. Ọ na-eme ka ndụ ọrụ dịkwuo ogologo ma na-ebelata ugboro ole a na-arụ ọrụ kwa ụbọchị.
5. Ahịa Ụlọ Ọrụ Na-ere Ahịa na Njikwa Ogo Siri Ike
Site na ụlọ ọrụ mmepụta ihe, anyị na-enye ọnụahịa dị oke ọnụ ahịa na-enweghị akara etiti. A na-eso otu ọ bụla na asambodo nnwale igwe ihe nke kwekọrọ na EN 10204 3.1. Nnyocha nke ndị ọzọ site na SGS, BV, TUV na ụlọ ọrụ ndị ọzọ nwere ikike na-akwado nke ọma, a na-achọpụtakwa ịdị mma nke ngwaahịa ahụ nke ọma.
Obodo na Azụmaahịa:Ogidi elu ụlọ elu dị elu, ọdụ ụgbọelu, ámá egwuregwu, na usoro ụlọ e ji aka rụọ.
Ụlọ ọrụ mmepụta ihe na ngwa ọrụ:Ụzọ kreen dị arọ, trusses ụlọ ọrụ mmepụta ihe, na ebe nchekwa ngwa ahịa sara mbara.
Akụrụngwa na Ike:Àkwà mmiri okporo ụzọ/ụgbọ okporo ígwè, ebe a na-adọba paịpụ petrochemical, na ebe a na-etinye ike anyanwụ/ikuku.
Igwe Mmiri na Igwe Dị Ike:Ọdụ ụgbọ mmiri, elu ikpo okwu dị n'ụsọ oké osimiri, ihe owuwu akụrụngwa igwu ala, na ihe owuwu ntọala.
Nkwakọ ngwaahịa ọkọlọtọ:Mbupụ ihe ndị kwesịrị ekwesị n'oké osimiri. E ji eriri ígwè siri ike kee ya maka nchekwa njikwa na njem.
Nchedo Elu:Ihe mkpuchi e ji mmanụ mee nke na-egbochi nchara, nke e ji ihe mkpuchi praịmarị mee, ma ọ bụ nke e ji ihe na-ekpo ọkụ mee nke e ji ihe ndị ahịa chọrọ mee.
Nchọpụta:Akara ngwaahịa mmiri na-adịghị amị amị nke ejikọtara na ngwugwu ọ bụla, na-egosi nọmba okpomọkụ, ọkwa, nha, ogologo, na ibu.
Ụzọ Mbupu:A na-enye ya n'ime arịa buru ibu (maka nnukwu mbupu) ma ọ bụ tinye ya n'ime akpa 20ft/40ft (maka ogologo kwụsiri ike ruo 11.8m).
Ọnọdụ Nnyefe:A na-akpọgharị ma ọ bụ na-agbakọta ya nke ọma, a na-ejikwa Asambodo Nnwale Mpịakọta (MTC kwekọrọ na EN 10204 3.1).
Etiti oge:Ụbọchị 7-30, Mbupu ngwa ngwa nke ụlọ ọrụ mmepụta ihe, yana nyocha nke ndị ọzọ site na SGS, BV, ma ọ bụ TUV nke akwadoro nke ọma tupu ebugo ya.
Q1: GB Q355B H-beams nwere ike dochie EN S355JR na ASTM A572 Gr.50 ozugbo?
A: Ee. Q355B dakọtara na S355JR na ASTM A572 Gr.50 na ihe ndị dị mkpa n'ime igwe, yana ike mmepụta kacha nta nke 345–355 MPa. Ọ na-arụ ọrụ dị ka nnọchi zuru oke, na-achọghị mgbanwe na mgbakọ na mwepụ ma ọ bụ eserese ihe owuwu.
Q2: Kedu ihe dị iche n'etiti Q355B na S355JO?
A: Q355B nwere ule mmetụta ogologo oge nke 20°C (≥34 J), nke kwekọrọ na ọkwa S355JR nke Europe. Maka ọrụ mpaghara oyi nke chọrọ ọkọlọtọ S355JO (nguzogide mmetụta 0°C), anyị nwere ike ịgbanwe ihe ndị mejupụtara obere alloying n'oge mmepụta iji mezuo ihe achọrọ maka mmetụta 0°C, yana asambodo nnwale igwe nrụpụta ahaziri maka nkwenye.
Q3: Kedu ogologo ọkọlọtọ a na-enye, oleekwa otú ha si emetụta mbupu?
A: Ogologo ngwaahịa anyị mgbe niile bụ 6m, 9m na 12m.
- Mbupu akpa: Iji dabara na akpa 20ft/40ft nkịtị (ogologo ime kachasị 11.8m), anyị na-akwado ogologo dị n'okpuru 11.8m iji zere nsogbu ibu.
- Mbupu ụgbọ mmiri buru ibu: Ogologo 12m zuru oke na nha ndị dị ogologo dị maka iwu ọrụ buru ibu.
Q4: Ọgwụgwọ elu nke ihe na-egbochi ire ere dị maka ojiji n'èzí?
A: Ee. Anyị na-enye nhọrọ imecha elu dị iche iche maka ọnọdụ ọrụ dị iche iche:
- Ígwè ojii gba ọtọ: Ọ dị mma maka ojiji n'ime ụlọ na nhazi nke abụọ n'ebe ahụ.
- Mkpuchi praịmarị na-egbochi nchara: Na-egbochi oxidation na nchara n'oge njem ụgbọ mmiri na nchekwa obere oge.
- Galvanizing ọkụ: Na-emepụta mkpuchi zinc siri ike, nke siri ike maka iguzogide nchara ogologo oge. Ọ bụ nhọrọ kacha mma maka gburugburu mmiri dị n'ụsọ oké osimiri, mmiri mmiri, ụlọ ọrụ mmepụta ihe na gburugburu siri ike n'èzí iji mee ka ọrụ nhazi dịkwuo ogologo oge.
Q5: Kedu ka esi ekwe nkwa ịdị mma ngwaahịa na nchụso zuru oke?
A: Mbupu niile na-akwado nleba anya zuru oke. A na-enye otu ọ bụla asambodo nnwale igwe EN 10204 3.1 gọọmentị, nke na-ekpuchi nọmba okpomọkụ zuru oke, ihe mejupụtara kemịkalụ na data arụmọrụ igwe. Anyị na-akwadokwa nyocha na nyocha nke ndị ọzọ tupu ebubata ya site n'aka ụlọ ọrụ ikike dịka SGS, BV na TUV.
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