A537 Chav Kawm 3yog ib hom kev siab nkoj steel phaj siv roj thiab roj, petrochemical, thiab hluav taws xob tsim kev lag luam. Nws yog tsim los rau kev pab cuam ntawm nruab nrab mus rau qhov kub thiab txias thiab paub txog nws zoo zog thiab toughness. Cov khoom siv feem ntau yog muab nkag rau hauv cov xwm txheej zoo li qub thiab tempered, uas ua rau nws zoo -grained microstructure thiab txhim kho cov khoom siv kho tshuab. Nws yog feem ntau siv hauv boilers, kub exchangers, thiab lwm yam siab- muaj cov cuab yeej uas yuav tsum tau txhim khu kev qha kev ua tau zoo nyob rau hauv kev nyuaj siab.
Tshuaj muaj pes tsawg leeg ntawm ASTM A537 Chav Kawm 3
|
Element |
Kev sib xyaw (%) |
|---|---|
|
Cov pa roj carbon (C) |
0.24 max |
|
Manganese (Mn) |
0.70-1.35 (≤40mm thickness) 1.00-1.60 (>40 hli thickness) |
|
Phosphorus (P) |
0.035 max |
|
Sulfur (S) |
0.035 max |
|
Silicon (Si) |
0.15-0.50 |
|
Copper (Cu) |
0.35 max (yog tias muaj) |
|
Nickel (Ni) |
0.25 max (yog tias muaj) |
|
Chromium (Cr) |
0.25 max (yog tias muaj) |
|
Molybdenum (hli) |
0.08 max (yog tias muaj) |
Mechanical Properties ntawm ASTM A537 Chav Kawm 3
|
Khoom |
Tus nqi |
|---|---|
|
Tensile zog |
75-95 ksi (515-655 MPa) (≤65mm) 70-90 ksi (485-620 MPa) (>65-100mm) 65-85 ksi (450-585 MPa) (>100-150 hli) |
|
Yield zog |
55 ksi (380 MPa) min (≤65mm) 50 ksi (345 MPa) min (>65-100mm) 40 ksi (275 MPa) min (>100-150 hli) |
|
Elongation (hauv 50mm) |
22% min (≤100mm) 20% min (>100 hli) |
|
Kev txo qis hauv cheeb tsam |
Tsis tau teev tseg, feem ntau siab |
daim ntawv thov
1. Kev Lag Luam Roj & Roj: Kev Nyab Xeeb hauv Siab -Nyob ib puag ncig
Hauv kev khiav dej num thiab nruab nrab, cov hlau no feem ntau yog siv los tsim cov loj- nplai peb- theem cais, cov roj lim dej tsis zoo, thiab siab - cov pa sib sau ua ke. Vim nws qhov tshwj xeeb tsis muaj zog, A537 Chav Kawm 3 muaj txiaj ntsig zoo tiv thaiv kev qaug zog tawg los ntawm kev hloov pauv sab hauv, ua rau nws zoo tagnrho rau cov khoom siv sab nrauv uas muaj zog heev - rau - qhov hnyav piv yog qhov tseem ceeb. Tsis tas li ntawd, thaum HIC- kuaj, nws nquag teev rau qhov chaw pabcuam qaub kom tiv taus hydrogen{10}}induced cracking nyob rau hauv muaj hydrogen sulfide.
2. Petrochemical Kev Lag Luam: Kev Ua Haujlwm Zoo Tshaj Plaws
Petrochemical refining suav nrog cov tshuaj lom neeg tsis zoo thiab hloov pauv kub ceev, qhov twg A537 Chav 3 ua haujlwm tseem ceeb rau cov tshuaj reactors thiab cov kab distillation. Nws qhov zoo -grained, tempered microstructure tso cai rau cov hlab ntsha no los tiv thaiv kev ntxhov siab thiab kev nyuaj siab ntau zaus thaum tswj cov geometric stability nyob rau hauv thermal stress. Thaum tsim cov thawv ntim khoom loj loj (Horton Spheres), nws lub zog muaj zog tso cai rau cov qauv phab ntsa nyias nyias, uas txo qis tag nrho cov nqi vuam thiab cov txheej txheem thauj khoom ntawm cov hauv paus.
3. Kev tsim hluav taws xob: Cov khoom siv tseem ceeb rau Chav Dej
Nyob rau hauv thermal fais fab nroj tsuag thiab lwm yam circuits ntawm nuclear chaw, cov khoom no feem ntau yog siv rau boiler nruas, headers, thiab siab - cua kub plhaub. Cov khoom siv no yuav tsum muaj kev ntseeg siab nyob rau hauv siab - qhov kub thiab txias tau ntau xyoo; A537 Chav Kawm 3 muab qhov tsim nyog tensile lub zog thiab nkag siab ua haujlwm kom ntseeg tau lub sijhawm ntev - kev ncaj ncees ntawm lub voj voog. Nws cov weldability zoo heev kuj txo qhov kev pheej hmoo ntawm qhov txias txias thaum lub sij hawm fabrication ntawm tuab -walled daim hlau, ua tau raws li cov qauv kev ntseeg siab nruj ntawm kev lag luam fais fab.
4. Kev ua tshuaj lom neeg & kev thauj mus los: Kev ruaj khov rau cov xov xwm tsis zoo
Rau cov chaw khaws cov tshuaj tsis haum los yog corrosive nyob rau hauv nruab nrab siab, A537 Chav Kawm 3 yog qhov kev xaiv zoo tshaj plaws rau cov tso tsheb hlau luam siab, cov hlab ntsha tsis muaj ammonia, thiab ntau yam txheej txheem ntim. Hauv kev lag luam logistics, nws yog siv los tsim cov tsheb thauj neeg mob siab thiab cov tsheb thauj mus los, qhov twg nws cov kev cuam tshuam zoo heev tiv thaiv kev puas tsuaj ntawm lub nkoj tsis ua haujlwm thaum muaj xwm txheej thauj. Cov hlau muaj peev xwm tswj tau cov ductility ntawm sub- xoom qhov kub thiab txias ntxiv ua rau nws sib tw rau nruab nrab cov ntawv thov cia cryogenic.
Tiv tauj peb ntawm beam@gneesteelgroup.com. rau pricing, technical support, los yog customized daws. Peb yeej ib txwm npaj los txhawb koj qhov project.
Dab tsi yog qhov sib npaug ntawm A537 steel?
Nws thawj qhov sib npaug yog ASME SA537 Cl. 1, uas qhia cov kev qhia zoo ib yam raws li ASME SA537 / SA537M tus qauv. Thoob ntiaj teb, sib npaug suav nrog EN 10028-2 P355GH (1.0473), cov hlau tsis muaj hlau zoo sib xws nrog cov txiaj ntsig zoo sib xws thiab muaj pes tsawg leeg rau cov hlab ntsha siab.
ASTM A537 yog dab tsi?
ASTM A537 specification yog tus qauv Specification rau Siab Vessel Phaj, Thaum tshav kub kub-Kho, Carbon-Manganese-Silicon Steel siv nyob rau hauv daim ntawv thov ntawm fusion welded siab hlab ntsha thiab cov qauv.