General Overview
A572 yog ib qho ntawm cov qib siab tshaj plaws ntawm cov qauv hlau vim nws cov kev sib xyaw ua ke ntawm lub zog siab, zoo heev torque toughness, zoo ductility, thiab weldability.
A572-50, siab -lub zog qis-alloy (HSLA) steel, nthuav tawm qhov tsawg kawg nkaus lub zog ntawm 50,000 psi (345 MPa) thiab lub zog tensile kawg siab tshaj 65,000 psi (450 MPa).
Cov qib no tau siv dav hauv kev tsim vaj tsev, kev thauj mus los, thiab kev tsim vaj tsev, thiab tau hloov pauv cov tsoos kub- dov cov qauv hlau xws li A36 vim nws muab lub zog ntau dua ntawm qhov hnyav dua, txhim kho cov khoom siv tau zoo thiab tus nqi- ua tau zoo.
Yam khoom thiab nta
A572-50 Kab
High-lub zog I- kab teeb muaj nyob rau hauv S (Standard) thiab W (Wide flange)
Yuav ua tau dub, galvanized, los yog primed
Muab lub zog zoo tshaj - rau - qhov hnyav piv, ua rau lawv zoo tagnrho rau cov tsev siab - nce siab, txuas hniav, thiab kev lag luam hnyav
A572-50 raws
Cov Txheej Txheem Channel thiab MC Channels nrog qhov tsawg kawg nkaus qhov tob ntawm 3 "
Muab kev txhim kho lub zog ntawm qhov hnyav dua li cov khoom siv channel steels
Feem ntau siv nyob rau hauv kev tsim kho, warehouse moj khaum, thiab lub tsev txhawb nqa
A572-50 Bar Angles (Lub kaum sab xis)
Kuj tseem hu ua L- brackets, steel angles, lossis angle irons
Kub- dov HSLA steel nrog kev ua tau zoo heev
Feem ntau 90 ° L-zoo li tus ntoo khaub lig-section, customizable nrog sib npaug los yog tsis sib npaug ceg ntev
Siv rau kev txhawb nqa hauv cov ces kaum, txuas hniav, archways, thiab kev txhawb nqa kev tsim kho
Qhov zoo ntawm A572-50 Cov Qauv Hlau
Siab zog-rau- Qhov hnyav piv: tso cai rau cov qauv, tsheb, thiab cov txuas hniav kom zam tau cov khoom hnyav dua nrog cov khoom siv tsawg, txo nqi thiab qhov hnyav.
Notch Toughness thiab Ductility: Tswj kev ua haujlwm nyob rau hauv kev ntxhov siab thiab nruab nrab kub.
Zoo Weldability: Ua kom yooj yim fabrication ntawm complex qauv.
Versatility hla ntu: Muaj nyob rau hauv kab teeb, raws, thiab cov ces kaum, ua rau nws haum rau ntau yam kev siv.
Tus nqi siab: Ua tau zoo dua cov hlau zoo li A36 hauv ob qho tib si lub zog thiab kev ua haujlwm.
Lus Cim: A572 tsis yog yooj yim tsim vim alloying ntsiab xws li columbium (Nb) thiab vanadium (V); ua ntej- kuaj thiab tom qab- vuam kev kho cua sov yog pom zoo rau kev ua haujlwm zoo.
Cov khoom siv
High-Rise Buildings & Industrial Facilities: Cov qauv tsim, cov kab hluav taws xob txhawb nqa, thiab cov txheej txheem hauv pem teb
Txuas hniav & Infrastructure: Thawj load-cov kabmob girders thiab hla kab
Warehouses & Loj-Span Buildings: Ntev-span beams nrog tsawg dua kev txhawb nqa nruab nrab
Cov Cheebtsam Txhim Kho: L-brackets, cov ces kaum, thiab kev txhawb nqa thav duab rau archways thiab cov qauv kev lag luam
Cov Khoom Siv Tsheb Thauj Mus Los: Tsheb thauj mus los, cranes, thiab hnyav- lub luag haujlwm tsheb
Kev Pabcuam Muab rau A572-50 Cov Khoom
Txiav rau Length: Precise sizing rau cov kev xav tau kev tsim kho
Milling: Nto xov thiab dimensioning rau kev cai fabrication
Profileing: Shaping steel beams, channels, thiab cov ces kaum rau qhov project specifications
Weld Prep: Beveling thiab npaj rau kev vuam zoo
Tapping & Qhov Kev Ua: Npaj - rau - nruab cov khoom
Tee Splitting & Custom Fabrication: Cov kev daws teeb meem rau cov haujlwm tshwj xeeb
Q Dab tsi ua rau A572 steel siab zog thiab weldable?
A572 yog lub siab - lub zog, qis- alloy (HSLA) hlau uas ua tiav cov txiaj ntsig zoo zog los ntawm kev tswj hwm ntxiv ntawm manganese, vanadium, thiab qee zaum niobium. Nws zoo -grain microstructure ua kom ob qho tib si toughness thiab zoo weldability, ua rau nws haum rau cov qauv siv uas yuav tsum tau ntawm - qhov chaw vuam yam tsis muaj preheating.
Q Yuav ua li cas vuam cuam tshuam rau A572 steel?
A Txawm hais tias A572 muaj qhov sib npaug ntawm cov pa roj carbon tsawg, cov khoom siv hluav taws xob ntau dhau thaum lub sij hawm vuam tuaj yeem ua rau thaj chaw softening nyob rau hauv lub tshav kub - cuam tshuam cheeb tsam (HAZ) los yog distortion nyob rau hauv tuab daim hlau. Siv qis-hydrogen electrodes thiab tswj kev sib tshuam ntawm qhov kub thiab txias kom ntseeg tau tias cov welded sib koom ua ke tswj cov khoom siv kho tshuab.
Q Dab tsi yog qhov cuam tshuam qhov kev txwv ntawm cov qib A572 sib txawv?
Ib qho kev cuam tshuam toughness txo qis thaum cov hlau yield zog nce. Piv txwv li, Qib 50 muab qhov toughness txaus rau lub tsev thav duab, whereas Qib 70 zoo dua rau cov qauv kev lag luam hnyav lossis txuas hniav, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig txias, qhov twg qis - qhov kub thiab txias tsis kam yog qhov tseem ceeb.
Q A572 piv nrog cov hlau me me li A36 li cas?
Piv nrog A36, A572 muaj qhov ua tau zoo dua qhov muaj zog (50–70 ksi vs 36 ksi) thiab txhim kho toughness. Qhov no tso cai rau cov tswv cuab ua kom nyias nyias thiab sib dua, txo cov nqi khoom siv thiab qhov hnyav tag nrho thaum tswj kev ua haujlwm ntawm cov qauv. Txawm li cas los xij, siab dua - daim hlau muaj zog yuav tsum tau siv vuam thiab kev tswj kev tsim khoom.
Q Qhov twg yog A572 feem ntau siv?
A572 tau siv dav hauv cov txuas hniav, cov tsev siab -nce, chaw ntau pob, thiab cov khoom siv hnyav. Nws ua ke ntawm lub zog, weldability, thiab toughness ua rau nws muaj ntau yam kev xaiv rau tej yaam num uas yuav tsum tau siab - steel kev ua tau zoo nrog txhim khu kev qha qauv.
Q Dab tsi fabrication xav txog engineers yuav tsum nco ntsoov?
A Txawm hais tias A572 yooj yim rau vuam dua li quenched - thiab - tempered steels, engineers yuav tsum txiav txim siab preheating rau cov phaj tuab, ua tib zoo npaj cov txheej txheem vuam kom txo tau cov kev ntxhov siab, thiab ua kev soj ntsuam ntawm cov welds tseem ceeb thiab HAZ kom ua tau raws li cov neeg kho tshuab specifications.