A709 Qib 50W Cov Qauv Hlau Phaj rau Choj Kev Tsim Kho
A709 Qib 50W Cov Qauv Hlau Phajyog lub zog muaj zog qis-alloy weathering steel phaj tshwj xeeb los ntawm ASTM A709 / A709M rau cov qauv choj.
Nws yog dav txiav txim siab rau choj girders, ntoo khaub lig thav duab, diaphragms, stiffeners, thiab lwm yam load-bearing Cheebtsam. Raws li tus neeg xa khoom steel, Gnee tuaj yeem muab A709 Qib 50W steel phaj raws li qhov yuav tsum tau ua, suav nrog cov khoom siv tshwj xeeb, phaj qhov ntev, txiav, fabrication, tshuaj xyuas, thiab xa tawm.
Lub ntsiab kom zoo dua ntawm A709 Qib 50W yog kev sib xyaw ua ke ntawm cov qauv muaj zog thiab txhim kho atmospheric corrosion kuj. Nws lub zog qis kawg nkaus yog 50 ksi (345 MPa), thaum nws lub zog tensile yam tsawg kawg nkaus yog 70 ksi (485 MPa).
Cov txheej txheem hlau muaj xws li tooj liab, chromium, npib tsib xee, thiab vanadium, uas ua rau kev ua haujlwm huab cua. Nyob rau hauv cov huab cua tsim nyog, cov hlau tsim cov txheej txheem oxide ruaj khov uas tuaj yeem txo qis corrosion ntxiv thiab xav tau kev tiv thaiv txheej txheej rov qab.
Nws yog ib qho tseem ceeb kom paub qhov txawv ntawm A709 Qib 50W los ntawm qhov zoo tib yam ASTM A709 Qib 50. Ob qib muaj qhov nominal yam tsawg kawg nkaus lub zog ntawm 345 MPa, tab sis Qib 50W tau txhim kho atmospheric corrosion kuj yuav tsum tau.
Nws kuj tseem txawv ntawm HPS 50W, uas yog cais cov qib high-kev ua tau zoo steel nrog nws tus kheej cov tshuaj muaj pes tsawg leeg thiab cov cuab yeej cuab tam. Cov neeg yuav khoom yuav tsum qhia qhov tseeb qib nyob rau hauv daim ntawv xaj es tsis yog thov A709 50 ksi steel.
A709 Qib 50W tshuaj lom neeg muaj pes tsawg leeg thiab kev ua haujlwm huab cua
Cov tshuaj muaj pes tsawg leeg ntawm A709 Qib 50W yog tsim los sib npaug zog, weldability, thiab atmospheric corrosion kuj. ASTM A709 qhia hom A thiab Hom B tshuaj lom neeg muaj pes tsawg leeg rau Qib 50W.
| Element | Hom A (wt.%) | Hom B (wt.%) |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.19 | Tsawg dua los yog sib npaug li 0.20 |
| Manganese (Mn) | 0.80–1.25 | 0.75–1.35 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.030 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.030 |
| Silicon (Si) | 0.30–0.65 | 0.15–0.50 |
| Nickel (Ni) | Tsawg dua lossis sib npaug li 0.40 | Tsawg dua los yog sib npaug li 0.50 |
| Chromium (Cr) | 0.40–0.65 | 0.40–0.70 |
| Copper (Cu) | 0.25–0.40 | 0.20–0.40 |
| Vanadium (V) | 0.02–0.10 | 0.01–0.10 |
A709 Qib 50W Mechanical Properties for Choj Structures
A709 Qib 50W yog siv rau hauv cov qauv choj vim tias nws muab lub zog tsawg kawg nkaus ntawm 345 MPa thiab lub zog tensile yam tsawg kawg nkaus ntawm 485 MPa. Nws cov kev xav tau elongation muab cov ntaub ntawv hais txog cov khoom siv ductility hauv tensile loading.
| Mechanical Property | Kev xav tau |
|---|---|
| Yield zog | Ntau dua lossis sib npaug rau 345 MPa (50 ksi) |
| Tensile zog | Ntau dua lossis sib npaug rau 485 MPa (70 ksi) |
| Elongation, 2 nti (50 mm) ntsuas qhov ntev | Ntau dua lossis sib npaug li 21% |
| Elongation, 8 nti (200 mm) ntsuas qhov ntev | Ntau dua lossis sib npaug li 18% |
| Yield Strength Measurement | 0.2% offset los yog 0.5% txuas ntxiv nyob rau hauv load |
Rau tus choj girders, lub phaj lub zog yuav tsum tau txiav txim siab ua ke nrog nws cov tuab, qhov dav, qhov ntev tsis txhawb nqa, cov ntsiab lus sib txuas, thiab cov khoom thauj khoom.
Piv txwv li, 25 hli tuab flange phaj thiab 16 hli tuab lub vev xaib ob leeg siv Qib 50W, tab sis lawv ua haujlwm sib txawv. Lub flange feem ntau tiv thaiv kev nyuaj siab khoov, thaum lub vev xaib feem ntau hloov cov quab yuam shear. Qhov kawg phaj thickness thiab qhov ntev yuav tsum tau txiav txim los ntawm tus choj tsim kev suav.
Kev cuam tshuam toughness yuav tsum tau lees paub hauv qhov project specification. Cov phiaj xwm choj yuav xav tau Charpy V-notch kuaj raws li siv tau ASTM A709 tsab, cov kev xav tau ntxiv, kev pabcuam kub, thiab kev faib cov tswv cuab.
Cov neeg yuav khoom yuav tsum paub meej tias qhov ntsuas kub, xav tau lub zog, cov qauv coj mus kuaj, thiab cov qauv kev lees paub ua ntej muab qhov kev txiav txim es tsis txhob xav tias qhov cuam tshuam tus nqi siv rau txhua qib 50W phaj.
A709 Qib 50W Steel Phaj Dimensions thiab Ntsuas Qhov hnyav
| Yam khoom | Kev Tshaj Tawm Tshaj Tawm |
|---|---|
| Thickness | 4.762–76.2 hli |
| Dav | 1,800–3,050 mm |
| Ntev | 6,100–30,480 mm |
| Theoretical ntom ntom | 7,850 kg/m³ |
| Phaj Loj (L × W × T) | Theoretical Nyhav |
|---|---|
| 6,000 × 2,000 × 16 mm | 1,507.2 kg |
| 6,000 × 2,000 × 20 mm | 1,884 kg |
| 6,000 × 2,000 × 25 mm | 2,355 kg |
| 6,000 × 2,000 × 30 mm | 2,826 kg |
| 6,000 × 2,000 × 40 mm | 3,768 kg |
A709 Qib 50W Steel Phaj Daim Ntawv Thov hauv Choj Kev Tsim Kho
A709 Qib 50W steel phaj yog tsuas yog siv rau hauv cov khoom siv uas yuav tsum tau muaj kev txhim khu kev qha load-bearing kev ua tau zoo thiab cov yam ntxwv ntawm huab cua. Nyob rau hauv ib tug raug steel choj, daim hlau yuav fabricated rau hauv ntau yam sib txawv raws li cov qauv kos duab.
Choj Girders thiab Phaj Girders
Choj girders yog thawj cov tswv cuab ntawm cov kabmob uas hloov cov khoom thauj los ntawm tus choj lawj mus rau kev txhawb nqa. A709 Qib 50W daim hlau tuaj yeem siv los tsim cov flanges thiab webs. Cov phaj flange tiv thaiv kev nyuaj siab, thaum lub web daim hlau hloov shear quab yuam. Phaj thickness thiab dav yog txiav txim los ntawm tus qauv tsim, ncua, loading tej yam kev mob, thiab stability yuav tsum tau.
Hla Ncej thiab Diaphragms
Hla thav duab thiab diaphragms txuas cov girders uas nyob ib sab thiab pab tswj kev ruaj ntseg thiab kev sib haum xeeb ntawm tus choj qauv. A709 Qib 50W daim hlau tuaj yeem ua tiav rau hauv cov ntawv sib txuas, daim hlau gusset, thiab cov khoom siv diaphragm raws li kev kos duab engineering. Qhov tseeb qhov chaw thiab kev tswj qhov ntev yog qhov tseem ceeb rau kev sib dhos ntawm qhov chaw tsim kho.
Stiffeners thiab Connection Phaj
Stiffeners txhawb nqa tus choj girder webs thiab pab txhim kho kev tiv thaiv hauv zos buckling. Kev sib txuas daim hlau yog siv rau ntawm bolted los yog welded pob qij txha. Cov Cheebtsam no feem ntau xav tau CNC txiav, drilling, ntug kev npaj, thiab cov cim raug kom phim cov duab kos duab.
Sab nraum zoov Choj Structures
Cov yam ntxwv huab cua ntawm Qib 50W ua rau nws muaj peev xwm xaiv cov khoom siv rau qee qhov chaw sab nraum zoov choj. Txawm li cas los xij, kev siv uncoated yuav tsum tsim nyog ib puag ncig thiab kev nthuav dav kom zoo. Txoj kev tso dej tawm, cov twj tso dej, cov qhov khoob, thiab cov tshuaj chloride yuav tsum raug txiav txim siab thaum lub sijhawm tsim.
A709 Qib 50W Steel Phaj Fabrication thiab Kev Pabcuam
Choj steel tej yaam num feem ntau xav tau ntau tshaj li cov qauv steel daim hlau. Cov phaj yuav tsum tau txiav rau hauv flanges, webs, stiffeners, gusset daim hlau, thiab lwm yam khoom ua ntej lawv tuaj yeem sib sau ua ke rau hauv cov qauv choj. Gnee tuaj yeem sib tham txog kev ua tiav raws li cov neeg siv khoom kos duab thiab qhov project specifications.
| Kev Pabcuam | Cov ntsiab lus technical | Daim ntawv thov |
|---|---|---|
| CNC nplaim taws txiav | Profile txiav raws li CAD / DXF kos duab | Thick phaj Cheebtsam, webs thiab flanges |
| Plasma Txiav | CNC txiav rau profiles thiab qhib | Kev sib txuas daim hlau thiab cov khoom zoo li tus |
| Laser Txiav | High-precision txiav qhov twg thickness thiab cov cuab yeej muaj peev xwm tso cai | Me me los yog precision Cheebtsam |
| Drilling thiab Qhov Qhov Ua | Bolt-qhov positioning raws li fabrication drawings | Splice daim hlau thiab txuas daim hlau |
| Ntug Milling / Beveling | Ntug npaj rau qhov tshwj xeeb weld pob qij txha | Welded choj Cheebtsam |
| Phaj Shearing | Ncaj-kab txiav hauv cov cuab yeej muaj peev xwm | Rectangular phaj blanks |
| Vuam thiab Assembly | Raws li kev pom zoo kos duab thiab cov txheej txheem vuam tsim nyog | Fabricated structural Cheebtsam |
| Txhaj tshuaj Blasting / Surface Preparation | Kev npaj deg raws li kev pom zoo txheej los yog tiav specification | Cheebtsam yuav tsum tau kev kho deg |
Rau cov khoom siv choj, kev ua tiav ncaj qha cuam tshuam rau kev tsim thiab kev teeb tsa. Piv txwv li, kev sib txuas daim hlau yuav xav tau bolt qhov nrog cov kab uas hla, qhov sib nrug, thiab ntug nrug.
Yog tias lub phaj raug txiav mus rau hauv lub vev xaib girder, qhov txiav profile thiab qhov ntev yuav tsum phim cov duab kos duab. Bevel kaum sab xis, hauv paus qhov khoob, thiab cov ntsiab lus vuam yuav tsum ua raws li cov txheej txheem vuam pom zoo es tsis yog xaiv los ntawm kev txiav txim siab.
Weathering steel kuj xav tau kev tsim tsim nyog thiab kev tswj xyuas saum npoo. Txiav ntug, weld cheeb tsam, thiab qhov chaw raug kis kab mob yuav tsum tau ua raws li qhov project xav tau.
Yog tias qhov kev tsim kho zaum kawg yuav tsum muaj qhov tsis zoo ntawm cov huab cua tsis zoo, kev siv cov txheej txheem ib ntus, cov ntaub ntawv cim npe, thiab cov txheej txheem ntxuav yuav tsum tau tshuaj xyuas kom tsis txhob cuam tshuam nrog qhov kev npaj ntawm qhov chaw.
A709 Qib 50W Export Kev Tshawb Fawb thiab Kev Tswj Xyuas Zoo
Rau kev txiav txim choj steel, kev tshuaj ntsuam xyuas yuav tsum npog cov ntaub ntawv pov thawj, kev sim tshuab, tshuaj lom neeg muaj pes tsawg leeg, kev tshuaj xyuas qhov ntev, qhov chaw, cim, thiab cov ntaub ntawv traceability.
Daim ntawv pov thawj zeb xeem ib leeg tsis hloov txhua qhov kev tshuaj xyuas tshwj xeeb uas yuav tsum tau ua. Kev soj ntsuam xyuas yuav tsum tau pom zoo raws li qhov kev txiav txim yuav khoom ua ntej tsim khoom thiab xa khoom.
| Cov khoom soj ntsuam | Qhov kuaj xyuas | Raws li tus qauv / Cov ntaub ntawv |
|---|---|---|
| Khoom Taw Qhia | Qib, kub tooj, phaj cim | ASTM A709 / A709M, kev txiav txim yuav khoom |
| Tshuaj ntsuam xyuas | C, Mn, P, S, Si, Ni, Cr, Cu, V | ASTM A709 / A709M; zeb xeem daim ntawv pov thawj |
| Tensile Test | Yield zog, tensile zog, elongation | ASTM A 370 Cov Lus Qhia Tshwj Xeeb |
| Impact Test | Charpy V-notch zog thiab ntsuas kub, thaum teev | ASTM A673 / A673M los yog xav tau qhov project |
| Qhov ntev | Thickness, dav, ntev, flatness thiab pom zoo tolerances | ASTM A6 / A6M thiab xaj xaj |
| Kev soj ntsuam saum npoo | Lamination, kab nrib pleb, pom qhov tsis xws luag thiab qhov chaw nyob | Siv tau cov khoom specification |
| Kev kuaj Ultrasonic | Internal discontinuities, thaum teev | ASTM A578 / A578M los yog pom zoo yuav tsum tau |
| Kev soj ntsuam thib peb | Kev ua tim khawv, piv txwv, kev tshuaj xyuas cov ntaub ntawv thiab kev soj ntsuam zaum kawg | Kev tshuaj xyuas thiab kev sim phiaj xwm (ITP) |
| Cov ntaub ntawv tshuaj xyuas | MTC, cov txiaj ntsig kev xeem, cov npe ntim khoom thiab cov ntaub ntawv xa khoom | Kev yuav khoom thiab kev xa tawm |
Kev ntsuas tensile yog siv los txheeb xyuas seb cov hlau puas ua tau raws li cov lus pom zoo, lub zog tensile, thiab elongation yuav tsum tau ua. Kev tshuaj ntsuam xyuas pom tseeb tias cov cua sov muaj pes tsawg leeg.
Piv txwv li, Qib 50W Hom A phaj yuav tsum tau kuaj xyuas cov kev txwv hom A, suav nrog cov pa roj carbon tsis tshaj 0.19%, chromium ntawm 0.40% thiab 0.65%, thiab tooj liab ntawm 0.25% thiab 0.40%. Cov txiaj ntsig kev xeem tiag tiag yuav tsum tau ua raws li tus lej xov tooj cua sov qhia ntawm lub phaj thiab nws daim ntawv pov thawj zeb xeem.
Kev tshuaj xyuas qhov ntev yog qhov tseem ceeb tshwj xeeb rau kev tsim choj vim tias phaj thickness thiab geometry cuam tshuam rau kev sib tsoo, vuam, thiab kev sib dhos.
Thickness yuav tsum tau ntsuas ntawm qhov chaw pom zoo, thaum qhov dav thiab ntev yuav tsum tau kuaj xyuas qhov kev txiav txim yuav khoom. Yog tias yuav tsum tau kuaj ultrasonic, qib tshuaj xyuas thiab kev lees paub yuav tsum tau teev ua ntej.
ASTM A578 / A578M yog ib qho kev soj ntsuam ultrasonic feem ntau rau kev kuaj ncaj nraim ntawm cov hlau dov, tab sis nws yuav tsum tsuas yog siv thaum xav tau los ntawm daim ntawv cog lus lossis qhov project specification.
Ua ntej ua zaub mov xa tuaj, tus neeg muag khoom yuav tsum tau kuaj xyuas cov ntawv cim npe, daim npav cim npe, kom muaj nuj nqis, ntim khoom, thiab cov ntaub ntawv xa khoom. Daim ntawv pov thawj zeb xeem yuav tsum suav nrog cov khoom siv qib, cov xov tooj cua sov, tshuaj ntsuam xyuas, thiab cov txiaj ntsig kev ntsuas tshuab. Yog tias lub chaw soj ntsuam thib peb raug xaiv, nws qhov kev tshuaj ntsuam xyuas thiab cov txheej txheem tso tawm yuav tsum tau pom zoo ua ntej cov khoom xa tuaj.
Nyab Laj Export Case: A709 GR.50W Weathering Steel Phaj thiab Pipes
Gnee yav dhau los tau tswj hwm qhov kev txiav txim xa tawm uas suav nrog A709 GR.50W weathering steel phaj thiab steel kav rau cov neeg siv khoom hauv Nyab Laj.
Cov ntaub ntawv pov thawj muaj xws li lub Hoobkas tsim khoom, kev npaj cov khoom lag luam hauv tsev, kev tshuaj xyuas cov khoom tiav, thiab kev thauj khoom ntau ntawm cov nkoj. Cov ntaub ntawv no qhia txog kev sib koom ua ke uas yuav tsum tau ua thaum muab cov khoom siv huab cua steel rau kev tsim kho txawv teb chaws thiab cov haujlwm ua haujlwm.
Thaum lub sij hawm npaj, cov khoom raug teeb tsa rau kev xa khoom thiab kuaj xyuas ua ntej thauj khoom. Rau steel phaj thiab yeeb nkab xaj, kev txheeb xyuas cov khoom, qhov ntev, qhov ntau, thiab qhov chaw saum npoo yuav tsum raug txheeb xyuas raws li cov lus pom zoo. Cov tshev no pab txo qhov kev pheej hmoo ntawm qhov tsis sib xws thiab ua kom yooj yim rau tus neeg yuav khoom tau txais thiab txheeb xyuas cov ntaub ntawv tom qab tuaj txog.
Rau cov nkoj loj thauj khoom, kev thauj khoom yuav tsum xav txog cov khoom thauj khoom loj, qhov hnyav, nqa cov ntsiab lus, thiab kev ruaj ntseg.
Cov khoom siv hlau yuav tsum tau muab tso rau hauv qhov chaw thiab ruaj ntseg kom txo qis kev txav mus los, kev sib tsoo, thiab kev puas tsuaj thaum lub caij tsheb thauj mus los hauv hiav txwv. Txoj kev npaj thauj khoom zaum kawg yuav tsum tau koom tes nrog tus neeg tsav nkoj lub nkoj thiab cov khoom siv thauj khoom siv tau.
Cov ntaub ntawv xa tawm Nyab Laj no qhia tau tias Gnee qhov kev paub dhau los hauv kev sib koom ua ke huab cua steel khoom npaj thiab xa tawm txawv teb chaws. Txhawm rau kom tsis pub leej twg paub thiab raug, cov kev txiav txim tshwj xeeb tonnage, phaj qhov ntev, lub npe qhov project, thiab hnub xa khoom tsuas yog yuav tsum tau tshaj tawm thaum lees paub los ntawm cov ntaub ntawv xaj khoom sib xws.
Cov neeg yuav khoom npaj cov khoom siv hlau zoo sib xws tuaj yeem muab lawv cov qib, qhov ntev, qhov ntau, qhov chaw nres nkoj, thiab kev soj ntsuam yuav tsum tau ua raws li qhov project raws li kev thov.
Export Packing thiab Shipping ntawm A709 Qib 50W Steel Phaj
Export packing yuav tsum tau xaiv raws li lub phaj qhov ntev, chav tsev qhov hnyav, txoj kev thauj mus los, qhov chaw yuav tsum tau, thiab unloading tej yam kev mob.
Rau qhov hnyav choj steel daim hlau, kev ntim khoom thiab nqa khoom yuav tsum muaj kev txhawb nqa txaus thiab tso cai rau kev nyab xeeb los ntawm cranes lossis lwm yam khoom siv thauj khoom. Cov ntaub ntawv txheeb xyuas thiab cov cim xa khoom yuav tsum muaj meej txaus rau kev tswj hwm lub tsev khaws khoom thiab kev tshuaj xyuas qhov chaw.
Nyob ntawm lub teb chaws lo lus uas peb thiab cov khoom ntim, cov ntoo pallets lossis cov ntoo txhawb nqa yuav raug raws li ISPM 15 cov cai. Cov khoom ntim khoom siv ntoo siv hauv kev lag luam thoob ntiaj teb feem ntau yuav tsum tau ua raws li kev kho mob thiab kev kos cim.
Plywood thiab lwm yam khoom siv ntoo tuaj yeem raug kho txawv raws li cov cai. Tus neeg yuav khoom thiab tus neeg muag khoom yuav tsum paub meej tias lub teb chaws qhov kev xav tau ntshuam ua ntej packing.
Cov ntaub ntawv xa khoom tuaj yeem suav nrog daim ntawv xa nyiaj ua lag luam, cov ntawv ntim khoom, daim nqi ntawm daim ntawv pov thawj, daim ntawv pov thawj zeb, daim ntawv pov thawj ntawm keeb kwm, thiab cov ntaub ntawv tshuaj xyuas thaum xav tau los ntawm daim ntawv cog lus lossis kev lis kev cai. Cov ntaub ntawv qhia meej yog nyob ntawm daim ntawv cog lus muag, cov nqe lus xa khoom, thiab kev cai ntshuam.
Order A709 Qib 50W Cov Qauv Hlau Phaj Los ntawm Gnee
Xaiv txoj cai A709 Qib 50W Cov Qauv Hlau Phaj cuam tshuam ntau dua li kev lees paub cov qib steel. Phaj qhov ntev, mechanical zog, tshuaj muaj pes tsawg leeg, ib puag ncig tej yam kev mob, fabrication yuav tsum tau, soj ntsuam scope, thiab export kev npaj tag nrho yuav tsum tau kom phim tus choj project. Gnee tuaj yeem sib tham txog cov khoom siv thiab kos duab raws li qhov yuav tsum tau ua rau A709 Qib 50W steel phaj xaj.
Xa peb cov qib koj xav tau, thickness, dav, ntev, kom muaj nuj nqis, kev kos duab, qhov chaw nres nkoj, thiab kev soj ntsuam yuav tsum tau ua. Peb pab neeg tuaj yeem tshuaj xyuas koj cov lus qhia tshwj xeeb thiab npaj cov lus hais rau koj qhov project steel choj.
Hu rau Gnee hnub no rau A709 Qib 50W steel phaj mov, fabrication, thiab export kev pab cuam.
