ASTM A537 Qib 2yog lub siab -lub zog, tshav kub- kho carbon-manganese- silicon steel phaj tshwj xeeb tsim los siv rau hauv fusion-welded siab hlab ntsha thiab cov qauv. Nws yog qhov txawv ntawm nwsquenched thiab temperedKev kho cua sov, uas muab lub zog tensile zoo dua thiab muaj zog tawm los piv rau cov qauv qib xws li ASTM A516 lossis A537 Chav Kawm 1.
Mechanical Properties
|
Qib |
Yield zog |
Tensile zog |
Elongation hauv 2 " |
|---|---|---|---|
|
A537 Chav Kawm 2 |
60 |
80 - 100 |
22 |
Tshuaj muaj pes tsawg leeg
|
C |
Mn 1) |
P 2) |
S 2) |
Si |
Cu |
Ni 1) |
Cr |
Mo |
|---|---|---|---|---|---|---|---|---|
|
0.24 |
1.60 |
0.020 |
0.010 |
0.50 |
0.35 |
0.25 |
0.25 |
0.080 |
Carbon sib npaug
|
Thickness (hauv) |
0.375 - 2.00 |
|---|---|
|
Yam CET (wt%) |
0.33 |
|
CEV (wt%) |
0.45 |
Formability zog
|
Thickness (hauv. [mm]) |
Khoov Axis Perpendicular rau Rolling Direction Hauv Radius, R (min.) |
Khoov Axis Perpendicular rau Rolling Direction Die Width, W (min.) |
Khoov Axis Parallel rau Rolling Direction Hauv Radius, R (min.) |
Khoov Axis Parallel rau Rolling Direction Die Width, W (min.) |
|---|---|---|---|---|
|
0.375 – 1.00 [9.5 – 25.4] |
1.5t |
8t |
2.25t |
10t |
|
1.00 – 2.00 [25.4 – 50.1] |
2.0t |
8t |
3.0t |
10t |
Programming thiab Creative Coding
Hauv technology,Kev ua haujlwmyog qhov qhib -cov tsev qiv ntawv graphical thiab integrated development puag ncig (IDE).
Lub hom phiaj:Tsim los rau cov txuj ci hluav taws xob, kev tshaj tawm xov xwm tshiab, thiab cov zej zog tsim kev pom los qhia tsis yog - cov programmers cov ntsiab lus ntawm kev siv computer hauv cov ntsiab lus pom.
Lus:Nws yog tsim los ntawm Java programming lus tab sis siv cov syntax yooj yim. Versions kuj muaj nyob rau JavaScript (p5.js) thiab Python.
Tej yaam num:Cov kev pab cuam tsim nyob rau hauv qhov chaw no hu ua "sketches".
Official Site:Koj tuaj yeem rub tawm cov software thiab saib cov ntawv qhia ntawm Processing.org.
Cov Lus Txhais
Nyob rau sab nraud ntawm software, lub sij hawm piav qhia txog ntau yam kev coj ua kom ua tiav cov txiaj ntsig tshwj xeeb:
Kev ua cov ntaub ntawv:Txoj cai ntawm retrieving, khaws cia, faib, los yog manipulating cov ntaub ntawv, tshwj xeeb tshaj yog nyob rau hauv computers.
Kev tsim khoom / Khoom noj khoom haus:Kho los yog npaj cov ntaub ntawv (xws li, kas fes taum ua los yog mis pasteurization) kom lawv marketable los yog usable.
Cognitive/Psychological:Kev puas siab puas ntsws los yog kev xav tau kev paub txog kev paub txog lawv, feem ntau siv hauv cov ntsiab lus kho.
Kev tswj hwm:Kev tuav cov ntaub ntawv, daim ntawv thov, lossis cov ntaub ntawv (xws li, "ua daim ntawv thov vixaj").
Kev lag luam thiab kev cai lij choj
Hauv cov ntsiab lus ntawm kev tshaj lij:
Kev Lag Luam:Cov kauj ruam uas tsim los tsim cov khoom lossis kev pabcuam rau cov neeg siv khoom.
Cov ntaub ntawv raug cai:Ib qho haujlwm ua haujlwm ntawm tus kheej cov ntaub ntawv, xws li kev sau, sau cia, lossis nthuav tawm, feem ntau tswj hwm los ntawm txoj cai ntiag tug.
Core Industrial Applications
Kev lag luam roj thiab roj:Siv dav rau siab - cov tso tsheb hlau luam siab, cov roj cais tawm, thiab cov khoom siv sab nraud. Nws muaj txiaj ntsig tshwj xeeb rau nws qhov kev tiv thaiv rau kev puas tsuaj loj hauv qhov chaw hnyav.
Petrochemical thiab Refining:Ua hauj lwm hauv kev tsim cov reactors, chemical refineries, thiab cov khoom siv zog uas raug corrosive thiab siab - cov kev ntxhov siab.
Kev tsim hluav taws xob:Siv nyob rau hauv nuclear chav generators, muaj boilers, thiab tshav kub exchangers uas tswj cov txheej txheem kev ncaj ncees nyob rau hauv high kub thiab sab hauv siab yog ib qho tseem ceeb heev.
Cia Tank Fabrication:Siv dav hauv kev tsim cov khoom loj - teev cia tank ua raws liAPI 650thiabAPI 620cov qauv, nrog rau cov tso tsheb hlau luam cryogenic rau nruab nrab mus rau qis - kev pabcuam kub.
Kev siv tshwj xeeb
Nuclear fais fab nroj tsuag:Fabrication ntawm pressurizers thiab lwm yam reactor hlab ntsha.
Shipbuilding thiab Maritime:Vim nws zoo heev torque toughness, nws yog siv nyob rau hauv marine lug thiab shipbuilding steel qhov twg tej yam kuj yog ib qho tseem ceeb.
Piping Systems:Kev tsim kho cov kav dej thiab cov kav dej siab siab -.
Kev ua zaub mov:Siv nyob rau hauv qee cov khoom siv mis nyuj thiab khoom noj khoom haus uas yuav tsum tau ua kom ruaj khov, siab - cov hlab ntsha siab.
Cov txiaj ntsig tseem ceeb rau kev siv
| Feature | Cov txiaj ntsig hauv Daim Ntawv Thov |
|---|---|
| Quenched & Tempered | Muab cov khoom seem muaj zog ntau dua li cov qauv qib xws li ASTM A516. |
| Siab Weldability | Ua kom yooj yim tsim cov khoom loj ntawm - cov nkoj loj thiab cov qauv yam tsis muaj kev tshwj xeeb ua ntej - cua sov. |
| Ntws Toughness | Ua kom muaj kev ntseeg siab nyob rau hauv qis - qhov kub thiab txias kev pab cuam thiab tiv thaiv kev tawg thaum muaj kev cuam tshuam. |
| Corrosion Resistance | Ua kom ruaj khov nyob rau hauv cov tshuaj lom neeg ua kom tawv nqaij ib puag ncig. |
Yog tias koj muaj qhov yuav tsum tau ua rau A537 Chav Kawm 2, peb txais tos koj nug. GNEE tuav cov khoom lag luam loj uas feem ntau siv cov qib siab zog steel rau koj xaiv.Rau cov ncauj lus kom ntxaws txhua yam khoom, tshuaj lom neeg muaj pes tsawg leeg, thiab cov ntaub ntawv kev, nrog rau cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw, ruaj khov zoo, thiab kev pabcuam tshaj lij. Email: beam@gneesteelgroup.com.
Dab tsi yog A537 Class 2 steel feem ntau siv rau hauv cov ntawv thov kev lag luam?
A537 Chav Kawm 2 yog cov pa roj carbon-manganese steel phaj tsim los rau kev pabcuam lub nkoj siab ntawm qhov kub nruab nrab. Nws yog dav siv nyob rau hauv cov roj thiab roj cia tso tsheb hlau luam, boiler Cheebtsam, thiab petrochemical khoom vim nws zoo heev weldability thiab siab zog.
Dab tsi yog cov tshuaj tseem ceeb ntawm A537 Class 2 steel?
Cov ntsiab lus tseem ceeb ntawm A537 Chav Kawm 2 suav nrog cov pa roj carbon (0.17-0.23%), manganese (1.10-1.50%), phosphorus (max 0.035%), sulfur (max 0.035%), silicon (0.15-0.30%), thiab cov khoom me me ntawm tooj liab, mobdenum, npib tsib xee, thiab chromium.
Dab tsi yog qhov tsawg kawg nkaus tawm lub zog ntawm A537 Class 2 steel?
Qhov tsawg kawg nkaus lub zog ntawm A537 Class 2 steel yog 345 MPa (50,000 psi), uas ua kom nws muaj peev xwm tiv taus siab thiab thauj khoom hauv ntau qhov chaw ua haujlwm yam tsis muaj qhov deformation mus tas li, ua rau nws tsim nyog rau kev siv cov hlab ntsha tseem ceeb.
Puas yog A537 Class 2 steel weldable? Yog tias muaj, cov txheej txheem vuam dab tsi feem ntau siv?
Yog lawm, A537 Chav Kawm 2 muaj qhov zoo tshaj plaws weldability. Cov txheej txheem welding feem ntau muaj xws li shielded hlau arc vuam (SMAW), roj hlau arc vuam (GMAW), flux-cored arc welding (FCAW), thiab submerged arc vuam (SAW), nrog rau preheating thiab post-weld tshav kub kev kho mob pom zoo.
Dab tsi yog qhov kev pabcuam siab tshaj plaws rau A537 Class 2 steel?
A537 Class 2 steel yog tsim rau kev pabcuam kub txog 343℃(650℃F). Tshaj li qhov kub thiab txias no, nws lub zog thiab lub zog yuav txo qis, yog li nws tsis pom zoo rau kev siv siab - kub siab tshaj qhov txwv tsis pub muaj kev ntsuas tshwj xeeb.
Cov txheej txheem kev kho cua sov dab tsi yog A537 Class 2 steel raug thaum lub sijhawm tsim khoom?
Thaum lub sij hawm tsim khoom, A537 Chav Kawm 2 tau quenching thiab tempering (Q&T) kev kho cua sov. quenching yuav tsum ceev ceev los ntawm austenitizing kub, thiab tempering ntawm ib tug tshwj xeeb kub los txhim kho toughness thiab txo residual kev nyuaj siab.
Lub zog tensile ntau ntawm A537 Class 2 steel yog dab tsi?
Lub zog tensile ntawm A537 Class 2 steel ranges ntawm 485 MPa rau 620 MPa (70,000 psi rau 90,000 psi). Qhov ntau yam no ua kom cov hlau muaj lub zog txaus los tiv thaiv kev tawg hauv qhov nro hauv cov hlab ntsha siab thiab kev siv cov txheej txheem.
A537 Class 2 steel puas tuaj yeem siv rau hauv qhov chaw qis - qhov kub thiab txias? Yog tias muaj, qhov ntsuas kub tsawg kawg yog dab tsi?
A537 Chav Kawm 2 tuaj yeem siv rau hauv qhov chaw qis - qhov kub thiab txias, nrog qhov kev pab cuam yam tsawg kawg nkaus ntawm -29℃(-20℃F) rau feem ntau daim ntawv thov. Nws tuav zoo toughness ntawm qhov kub thiab txias, tsis txhob nkig tawg nyob rau hauv qis-kub tej yam kev mob.
Dab tsi yog cov qauv tswj kev tsim khoom thiab kev sim ntawm A537 Class 2 steel?
A537 Class 2 steel yog tswj hwm los ntawm ASTM A537, tus qauv tshwj xeeb rau cov phaj siab siab, carbon -manganese steel, quenched thiab tempered. Cov txheej txheem no qhia txog cov kev xav tau ntawm cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, kev kho cua sov, thiab cov txheej txheem kuaj.
Dab tsi yog qhov txawv ntawm A537 Class 1 thiab A537 Class 2 steel?
Qhov sib txawv tseem ceeb nyob rau hauv cov khoom siv kho tshuab: A537 Chav Kawm 2 muaj cov txiaj ntsig siab dua thiab lub zog tensile dua li Chav Kawm 1. Chav Kawm 2's min yield zog yog 345 MPa, thaum Class 1's yog 290 MPa. Ob qho tib si yog Q&T, tab sis Chav Kawm 2 yog rau kev thov ntau dua.