Dab tsi yog qhov kev xa khoom rau ASTM A285 Qib C
ASTM A285 Qib Csteel phaj yog feem ntau xa hauv lubraws li - yobmob, tsim los rau qis- mus rau nruab nrab- tensile lub zog siab lub nkoj siv. Thaum raws li - dov yog tus qauv, cov khoom tuaj yeem muab tau rau hauv qhov qub lossis kev ntxhov siab-txo cov xwm txheej yog tias tau teev tseg, vim nws yog cov pa roj carbon ntau rau cov tso tsheb hlau luam thiab cov boilers.
ASTM A285 Qib C sawv cev rau nruab nrab -cov pa roj carbon steel phaj siv hauv kev tsim cov fusion-welded boilers thiab cov hlab ntsha siab. Nws yog txhais los ntawm nws lub zog tensile nruab nrab thiab qib siab ntawm purity hauv nws cov pa roj carbon -manganese muaj pes tsawg leeg. Qib no yog tshwj xeeb rau cov hlab ntsha uas lub siab sab hauv nruab nrab thiab cov kev khiav hauj lwm kub yog qhov ruaj khov. Nws muab kev ntseeg siab "hauv nruab nrab" rau cov neeg tsim qauv- muaj zog dua Qib A thiab B ntawm tib qhov kev qhia tshwj xeeb, tsis tau hloov pauv tau yooj yim dua thiab ua haujlwm yooj yim dua nrog siab dua - lub zog siab ntawm cov hlab ntsha zoo li A515 lossis A516.
Cov yam ntxwv tseem ceeb
Smooth nto tiav:Feem ntau nthuav tawm qhov huv si, nplais -dawb nto uas yooj yim rau lub tsho, pleev xim, lossis kab nrog cov khoom tiv thaiv.
Fusion-Vuam Optimized:Qhov sib npaug ntawm alloy yog tsim tshwj xeeb los tsim siab -kev ncaj ncees weld hlaws nrog tsawg porosity.
Stable Thermal Expansion:Tuav qhov ntsuas qhov ntev ntawm cov txheej txheem cua sov uas pom hauv cov boilers muaj.
Predictable Machinability:Tau yooj yim drilled, tapped, los yog nplaim taws - txiav nrog cov khoom siv hauv khw yam tsis muaj cov cuab yeej siv ntau dhau.
Code- Pom Zoo Tsim Tus Nqi:Ua kom muaj keeb kwm ntev ntawm cov ntaub ntawv ua tau zoo hauv ASME cov lej kev nyab xeeb, ua kom yooj yim rau cov txheej txheem kev pom zoo engineering.
Qib Qib
ASTM:American Society for Testing and Materials.
A:Prefix rau Ferrous (hlau{0}}raws li) cov ntaub ntawv.
285:Cov txheej txheem tshwj xeeb rau qis thiab nruab nrab tensile lub zog carbon steel daim hlau.
Qib C:Lub zog siab tshaj plaws (55-75 ksi) hauv A285 specification.
Kev sib piv (vs. ASTM A515 Qib 70)
Thaum tshav kub kub Focus:A515 yog tsim tshwj xeeb rausiab -kubkev pabcuam; A285 Gr C yog rauambient / nruab nrabkub.
Loj Loj:A515 feem ntau yog ntxhib-grained los txhim kho siab - kub nkag; A285 Gr C tsis muaj qhov tshwj xeeb ntawm cov qoob loo.
Max Thickness:A515 tuaj yeem tsim nyob rau hauv ntau daim hlau tuab, qhov A285 Gr C yog capped ntawm 2 ntiv tes.
Strength Threshold:A515 Gr 70 pib ntawm 70 ksi yam tsawg kawg nkaus tensile; A285 Gr C sab saum toj ntawm 75 ksi siab tshaj plaws.
Daim Ntawv Thov Kev Sib Tham
Cua Txais Tank:Vertical lossis kab rov tav tanks siv los khaws cov cua compressed rau cov tshuab pneumatic.
Waste Water Clarifiers:Loj - cov tank loj siv hauv kev kho dej phwj hauv nroog kom cais cov khib nyiab ntawm cov kua.
Small Industrial Boilers:Hluav taws kub- raj lossis dej- raj boilers siv nyob rau hauv lub tshuab ntxhua khaub ncaws thiab zaub mov.
Roj thiab Dej Separators:Kab rov tav cov hlab ntsha siv nyob rau hauv oilfields cais cov kua sib xyaw los ntawm lub ntiajteb txawj nqus.
Buffer Tanks:Cov nkoj loj loj siv hauv cov dej txias txias kom ruaj khov hauv HVAC systems.
ASTM A285 Qib C ua haujlwm li cas hauv qhov chaw corrosive?
ASTM A285 Qib C tsis yog tsim los siv rau hauv ib puag ncig muaj corrosive heev. Txawm hais tias nws yuav ua tau zoo nyob rau hauv uas tsis yog -corrosive los yog me ntsis corrosive tej yam kev mob, nws tsis muaj corrosion kuj ntawm cov ntaub ntawv xws li stainless hlau los yog alloy steels. Rau ib puag ncig uas corrosion yog ib qho kev txhawj xeeb loj, kev tiv thaiv ntxiv xws li coatings, corrosion inhibitors, lossis siv cov khoom siv corrosion ntau dua yuav tsim nyog.
ASTM A285 Qib C puas tuaj yeem ua kom sov- kho?
Yog lawm, ASTM A285 Qib C tuaj yeem ua kom sov- kho kom txhim kho nws cov khoom siv kho tshuab, xws li lub zog thiab tawv. Cov kev kho cua sov uas muaj xws li annealing lossis normalizing, uas tuaj yeem txhim kho cov hlau formability thiab kev ntxhov siab. Txawm li cas los xij, nws tsis yog feem ntau raug rau cov txheej txheem hardening xws li quenching lossis tempering, vim qib tsis yog tsim los rau siab - kev siv zog.
Puas yog ASTM A285 Qib C haum rau siab -kev siv kub?
ASTM A285 Qib C yog tsim los rau cov ntawv thov kub mus rau nruab nrab. Nws tsis haum rau siab - qhov kub thiab txias qhov twg cov ntaub ntawv yuav tsum tau tiv thaiv creep los yog oxidation. Rau cov ntawv thov kub dua, lwm cov hlau alloy lossis stainless hlau qib yuav tsim nyog dua. Txawm li cas los xij, rau kev siv boiler los yog lub nkoj siab siv ntawm qhov kub thiab txias, nws muab kev ua haujlwm txaus.
ASTM A285 qib C steel tshuaj lom neeg muaj pes tsawg leeg thiab cov cuab yeej cuab tam:
| Qib | ASTM A285 qib C steel Chemical Composition (%) | ||||
| C | Mn Ntau dua lossis sib npaug | Si | P | S | |
| A285 qib C | 0.28 | 0.98 | - | 0.035 | 0.035 |
|
Qib |
ASTM A285 qib C steel Mechanical Property | ||||
| Tensile zog (MPa) | Yield zog (MPa) | % Elongation hauv 2 nti (50mm) min | Impacting Test Temperature (degree) | ||
| A285 qib C | 380-515 | 205 | 25 | -20, -40, -60 | |
1. Dab tsi yog cov txiaj ntsig ntawm kev siv ASTM A285 Qib C?
Cov txiaj ntsig tseem ceeb ntawm ASTM A285 Qib C yog nws qhov zoo tshaj plaws weldability, yooj yim ntawm fabrication, thiab tus nqi -effectiveness rau tsawg- kev siv siab. Nws yog qhov zoo tagnrho rau kev siv hauv kev lag luam uas lub zog tsis yog qhov kev txhawj xeeb tseem ceeb, thiab cov khoom siv nruab nrab ntawm cov khoom siv tau txaus. Nws zoo formability tso cai rau nws yooj yim zoo li zoo li nyob rau hauv ntau yam xws li cov hlab ntsha siab, boilers, thiab tso tsheb hlau luam.
2. Dab tsi yog cov yam ntxwv ntawm ASTM A285 Qib C?
ASTM A285 Qib C muaj cov tshuaj tswj cov pa roj carbon (0.13-0.20%), manganese (0.60-0.90%), silicon (0.15-0.35%), phosphorus (0.035% max), thiab sulfur (0.035% max). Cov ntsiab lus no muab qhov sib npaug ntawm lub zog, formability, thiab weldability. Cov ntsiab lus qis carbon ua kom zoo machinability thiab tsis kam rau brittleness, ua rau nws haum rau cov ntawv thov uas tsis tas yuav muaj zog heev.
3. Lub zog tensile ntawm ASTM A285 Qib C yog dab tsi?
Lub zog tensile ntawm ASTM A285 Qib C yog li ntawm 340 txog 485 MPa (49 txog 70 ksi), uas yog nruab nrab piv rau siab dua - lub zog siab lub nkoj steels. Qhov ntau yam no tsim nyog rau cov ntawv thov kev siv siab tsawg mus rau nruab nrab, ua rau nws tsim nyog rau kev lag luam uas qhov kev xav tau ntawm lub zog tsis yog qhov tseem ceeb. Nws lub zog tensile tso cai rau nws tuaj yeem tiv taus qhov nruab nrab txhua yam kev ntxhov siab yam tsis muaj kev ua haujlwm.
4. ASTM A285 Qib C feem ntau siv nyob qhov twg?
ASTM A285 Qib C feem ntau yog siv rau hauv kev tsim kho cov hlab ntsha qis mus rau nruab nrab, tso tsheb hlau luam, thiab lwm yam khoom siv. Nws kuj yog siv rau hauv cov roj refineries, tshuaj nroj tsuag, thiab fais fab nroj tsuag, qhov twg cov hlab ntsha thiab boilers muaj ntau. Cov khoom siv zoo tagnrho rau cov ntawv thov uas lub zog tsis yog qhov tseem ceeb tshaj plaws tab sis qhov twg weldability thiab formability tseem ceeb dua.
5. ASTM A285 Qib C yog dab tsi?
ASTM A285 Qib C yog qib carbon steel tsim rau cov hlab ntsha qis mus rau nruab nrab. Nws muaj cov weldability zoo thiab yog siv rau hauv cov ntawv thov uas muaj lub zog siab tsis tseem ceeb, xws li hauv kev tsim cov boilers, tso tsheb hlau luam, thiab lwm cov hlab ntsha ua haujlwm ntawm qhov siab qis mus rau nruab nrab. Cov hlau no zoo tagnrho rau cov qauv tsim qauv thiab muab cov qauv zoo thiab kev ua haujlwm zoo.
6. ASTM A285 Qib C piv rau ASTM A36 li cas?
ASTM A285 Qib C zoo ib yam li ASTM A36 hais txog nws cov khoom siv dav dav thiab kev siv. Txawm li cas los xij, A285 Qib C yog tsim tshwj xeeb rau cov hlab ntsha qis qis thiab feem ntau nyiam siv hauv cov ntawv thov xws li tso tsheb hlau luam thiab boilers. A36 yog ib qho dav dav - lub hom phiaj cov qauv hlau uas siv dav hauv kev tsim kho thiab kev tsim cov ntawv thov, whereas A285 yog qhov tsim nyog rau cov hlab ntsha qis dua - siab.
7. ASTM A285 Qib C yog dab tsi?
Lub zog tawm los ntawm ASTM A285 Qib C yog kwv yees li 205 MPa (30 ksi), uas yog qhov qis dua piv rau siab dua - lub zog steels. Qhov no ua rau cov khoom tsim nyog rau qis - qhov chaw siab qhov chaw uas tsis muaj zog txhua yam tsis tsim nyog. Nws muab kev ua tau zoo txaus rau kev siv cov qauv, cov hlab ntsha siab, thiab cov tso tsheb hlau luam nyob rau hauv cov kev ntxhov siab me ntsis.
Yog xav paub ntxiv txog GNEE cov khoom steel, tiv tauj peb ntawm info@gneesteels.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
