Dab tsi yog qhov txawv ntawm SA 516 GR 70 thiab SA 283 GR C?Yog tias koj tab tom nrhiav cov pa roj carbon steel rau kev lag luam, qhov no yog cov lus nug tseem ceeb.
SA 516 GR 70yog lub siab lub nkoj zoo steel tsim rau siab - zog, qis- kev pabcuam kub, thaum SA 283 GR C yog cov qauv hlau dav dav rau nruab nrab- kev siv zog. Xaiv cov qib tsis raug tuaj yeem cuam tshuam kev nyab xeeb, nce nqi, lossis ua rau qhov project qeeb.
NtawmGNEE Steel, yog ib lub chaw tsim khoom hauv Suav teb thiab xa tawm nrog ntau tshaj 18 xyoo ntawm kev paub hauv cov khoom siv carbon steel, peb tshwj xeeb hauv kev muab SA 516 GR 70 thiab SA 283 GR C daim hlau rau cov neeg siv khoom thoob plaws 150+ lub teb chaws. Hauv phau ntawv qhia no, peb rhuav tshem txhua yam koj xav paub txog ob qib ASME steel.
SA 516 GR 70 yog dab tsi?
SA 516 GR 70yog carbon steel phaj qib teev hauv qabASME SA-516 / ASTM A516, kev lag luam tus qauv rausiab hlab ntsha zoo (PVQ) steel. Qib no yog tsim los tshwj xeeb rau kev siv hauv cov hlab ntsha siab thiab cov boilers ua haujlwm nyob rau hauv nruab nrab mus rau qis - qhov kub thiab txias kev pab cuam qhov chaw uas tsis muaj qhov toughness tseem ceeb heev
SA 283 GR C yog dab tsi?
SA 283 GR Cyog carbon steel phaj qib tau teev tseg hauv qabASME SA-283 / ASTM A283 Cov Lus Qhia, ib qho kev qhia tshwj xeeb rau qis thiab nruab nrab tensile lub zog carbon steel daim hlau ntawm cov qauv zoo. Tsis zoo li SA 516 GR 70, uas yog tsim los rau kev tiv thaiv siab, SA 283 GR C yog tsim los rau cov qauv siv dav dav uas muaj zog nruab nrab thiab zoo weldability txaus.
SA 516 GR 70 vs SA 283 GR C - Kev sib piv tshuaj lom neeg
| Element | SA 516 GR 70 (Max / Ntau) | SA 283 GR C (Max / Ntau) |
|---|---|---|
| Cov pa roj carbon (C) | 0.27% - 0.31% (nws txawv ntawm thickness) | Tsawg dua lossis sib npaug li 0.24% |
| Manganese (Mn) | 0.85% – 1.20% | Tsawg dua lossis sib npaug li 0.90% |
| Silicon (Si) | 0.15% – 0.40% | Tsawg dua lossis sib npaug li 0.40% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.035% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.040% |
| Copper (Cu, min thaum teev) | - | Ntau dua lossis sib npaug li 0.20% |
Cov pa roj carbon ntau dua hauv SA 516 GR 70.Cov pa roj carbon ntau ntxiv (txog 0.31% vs . 0.24% max rau SA 283 GR C) muab SA 516 GR 70 nws lub zog zoo dua thiab tawv. Txawm li cas los xij, qhov no kuj ua rau nws yooj yim dua rau cov txheej txheem vuam, yuav tsum tau ua tib zoo tswj xyuas kom sov.
Siab Manganese hauv SA 516 GR 70.Manganese (0.85–1.20%) yog ntxiv rau SA 516 GR 70 txhawm rau txhim kho toughness, tshwj xeeb tshaj yog nyob rau qhov kub thiab txias, thiab txhim kho cov hlau teb rau kev kho cua sov. Cov ntsiab lus qis manganese hauv SA 283 GR C (tsawg dua lossis sib npaug li 0.90%) qhia txog nws tus qauv tsim rau kev siv cov qauv siv ntau dua li qhov xav tau qis - qhov kub thiab txias.
Tighter P thiab S Tswj hauv SA 516 GR 70.Phosphorus thiab sulfur raug tswj kom nruj dua (0.025% max txhua) hauv SA 516 GR 70 piv rau SA 283 GR C (P 0.035% max, S 0.040% max). Qhov no txo qhov kev pheej hmoo ntawm embrittlement thiab txhim kho weldability rau siab-muaj cov ntawv thov
SA 516 GR 70 vs SA 283 GR C - Mechanical Properties Comparison
| Khoom | SA 516 GR 70 | SA 283 GR C |
|---|---|---|
| Yield zog (Min) | 260 MPa (38 ksi) | 205 MPa (30 ksi) |
| Tensile Strength Range | 485-620 MPa (70-90 ksi) | 380-515 MPa (55-75 ksi) |
| Elongation (min, 200mm / 8 nyob rau hauv.) | 17% | 20% |
| Elongation (min, 50mm / 2 nyob rau hauv.) | 21% | 23% |
| Kev kho cua sov | Normalized (rau cov phaj tuab) | Raws li - dov |
| Kev ntsuam xyuas cuam tshuam | Yuav tsum tau ua rau qis -temp kev pabcuam | Tsis yuam |
SA 516 GR 70 sib npaug
| Txuj | Qib sib npaug |
|---|---|
| ASTM (USA) | A516 Qib 70 |
| EN (Tebchaws Europe) | P355GH (EN 10028-3) |
| DIN (Lub teb chaws Yelemees) | HIII / 17 Mn4 |
| BS (UK) | BS1501-224-490A/B |
| JIS (Nyiv) | TIAB SA 480 |
| ISO | P295 HWM |
SA 283 GR C sib npaug
| Txuj | Qib sib npaug | Sau ntawv |
|---|---|---|
| ASTM (USA) | A283 Qib C | Ib yam specification |
| EN (Tebchaws Europe) | S235JR (EN 10025-2) | Lub zog ze heev (235 MPa) |
| JIS (Nyiv) | TSI 400 | Zoo sib xws - hom phiaj steel |
| GB / T (Tuam Tshoj) | Q235B | Suav structural carbon steel qauv |
| ISO | Fe360 ib | Cov npe ISO qub |
SA 516 GR 70 vs SA 283 GR C - Daim Ntawv Thov thiab Kev Siv Kev Lag Luam
Xaiv ntawmSA 516 GR 70 thiab SA 283 GR Cnqis los nkag siab txog koj qhov project qhov kev xav tau ua haujlwm. Ob qib no yogtsis interchangeablevim qhov sib txawv tseem ceeb hauv lub zog, toughness, thiab kev lees txais code.
Qhov twg siv SA 516 GR 70
SA 516 GR 70 yog cov khoom xaiv raukev nyab xeeb- tseem ceeb, siab- muaj cov ntawv thovqhov twg tsis ua hauj lwm yuav muaj qhov tshwm sim loj:
Cov nkoj siab:Reactors, separators, accumulators, thiab distillation yees hauv cov roj refineries thiab tshuaj nroj tsuag
Boilers:Chav tsev drums, boiler plhaub, thiab cua sov rov qab chav generator Cheebtsam
Cia Tank rau Pressurized Gases:LPG, propane, thiab butane cia spheres thiab mos txwv
Thaum tshav kub kub Exchangers:Plhaub-thiab- raj thiab phaj- hom kub exchangers hauv petrochemical kev pab
Nuclear Pressure Cheebtsam:Reactor siab hlab ntsha thiab ntim cov qauv
Hydropower:Siab - cov kav dej siab thiab cov khoom siv turbine
Qhov twg siv SA 283 GR C
SA 283 GR C yog qhov kev xaiv pheej yig rautsis yog - tseem ceeb, nruab nrab - kev siv zog:
Kev tsim vaj tsev:Cov kab teeb, kab, thiab kev txhawb nqa
Choj thiab Infrastructure:Choj decks, kev loj kev tsim kho, thiab overpass Cheebtsam
Tsawg-Pressure Storage Tanks:Atmospheric lossis qis- lub tank siab rau dej, roj, lossis tshuaj (tsis yog- kev pabcuam siab)
General Fabrication:Tshuab thav duab, khoom siv hauv paus, thiab welded structural assemblies
Shipbuilding:Hull daim hlau, lawj cov qauv, thiab tsis yog - cov khoom tseem ceeb hauv hiav txwv
SA 283 GR C puas tuaj yeem hloov pauv rau SA 516 GR 70?
Tsis muaj.Hloov SA 283 GR C rau SA 516 GR 70 hauv daim ntawv thov lub nkoj siab yuav cuam tshuam kev nyab xeeb thiab ua txhaum cai ASME cov cai. Hloov pauv, siv SA 516 GR 70 rau daim ntawv thov txheej txheem yooj yim yuav tsis tsim nyog. Txhua qib muaj nws qhov tshwj xeeb, tsis yog - sib tshooj tsim npe.
Xaus
To taub covQhov sib txawv ntawm SA 516 GR 70 thiab SA 283 GR Cyog qhov tseem ceeb rau kev xaiv cov khoom tiav. SA 516 GR 70 yog qhov siab -lub zog, lub cev muaj zog lub cev muaj zog nrog qis dua- qhov kub thiab txias, yuav tsum tau kuaj xyuas, thiab ASME code lees txais rau qhov siab tseem ceeb- muaj cov ntawv thov. SA 283 GR C yog tus nqi- zoo, raws li- dov cov qauv hlau nrog qis zog tab sis zoo weldability, haum rau dav dav - lub hom phiaj kev tsim kho thiab qis- siab tsis yog{12}} kev pabcuam tseem ceeb.
Xav tau kev pab xaiv ntawm SA 516 GR 70 thiab SA 283 GR C rau koj qhov project tom ntej?
GNEE Steel cov kev paub dhau los pab pawg tau npaj los pab koj nrog cov lus pom zoo, cov lus sib tw, thiab cov khoom siv txhim khu kev qha.Tiv tauj peb hnub no kom muaj kev sib tham dawb thiab nqe lus - tsuas yog ua daim foos hauv qab no lossis email ncaj qha rau peb!
Dab tsi yog qhov txawv ntawm SA 516 GR 70 thiab SA 283 GR C?
SA 283 GR C yog ib qho qis- carbon steel nrog lub zog nruab nrab rau cov hom phiaj dav dav, thaum SA 516 GR 70 yog cov hlau tsis muaj zog nrog lub zog tensile siab dua rau cov hlab ntsha ua haujlwm ntawm qhov nruab nrab thiab qis dua.
Cov khoom siv SA 283 Qib C yog dab tsi?
ASME SA 283 GR C yog aqis- carbon steel phaj nrog cov ntsiab lus siab tshaj plaws ntawm 0.24%, tsim los rau nruab nrab tensile lub zog thiab zoo heev weldability nyob rau hauv siab hlab ntsha thiab cov qauv siv. Nws cov tshuaj muaj pes tsawg leeg yog tswj kom txo qis impurities, kom ntseeg tau zoo formability thiab kuj rau brittleness.
Dab tsi yog qhov txawv ntawm SA 516 70 thiab SA515 GR 70?
SA-516-70 feem ntau muaj zog tensile ntau dua piv rau SA515 GR 70. Daim ntaub ntawv: SA-516-70 feem ntau yog siv rau cov hlab ntsha siab uas yuav tsum tau muaj kev pab cuam nruab nrab thiab qis dua. SA515 GR 70 yog siv rau nruab nrab thiab siab dua cov kev pabcuam kub.
SA 516 Qib 70 yog dab tsi?
ASTM A516-70 thiab ASME SA516-70 steel phaj khoom yog tsim los ntawmcarbon{0}}manganese hlauthiab ua kom siab txog ntsha zoo (PVQ) cov qauv raws li delineated hauv ASTM A20 / ASME SA20.
SA 283 C sib npaug li cas?
Txheej txheem cej luam ntawm SA 283 GR C thiab nws qhov sib npaug
Sib npaug zoo liASTM A283 Qib C (zoo tib yam hauv specs), EN 10025 S235JR (European structural steel), IS 2062 E250 (Indian txuj)muab lub zog sib piv thiab weldability rau kev siv zoo sib xws.
Dab tsi yog cov khoom sib npaug rau A516 GR 70?
Cov sib npaug sib npaug suav nrogASME SA516 GR 70, EN 10028 P355GH, thiab BS1501 224-490 A & B, haum rau kev siv lub nkoj siab zoo sib xws.
