ASTM A871 Kev NtsuasStructcral Steel Phajyog ib hom carbon steel phaj.Steel Phaj (Mechanical Engineering Materials): Hais txog steel lub rooj sib tham tau teev tseg lub zog thiab cov qib formability.Formability yog qhia raws li elongation tom qab tawg nyob rau hauv tensile xeem.Cov qauv hlau feem ntau yog siv rau kev thauj khoom thiab lwm yam kev siv uas lub zog ntawm cov hlau yog cov qauv tsim rau kev rov siv dua.Cov qauv hlau yog ib hom hlau tshwj xeeb.Cov qeb yog raws li nram no:
1. Hlau siv los ua ntau yam tshuab.Nws suav nrog carburized steel, quenched thiab tempered steel, caij nplooj ntoos hlav steel thiab dov bearing steel.
2. Hlau siv los ua engineering qauv.Nws suav nrog A, B, tshwj xeeb hlau thiab cov hlau tsis tshua muaj hlau hauv carbon hlau.
| Khoom npe | ASTM A871 Kev NtsuasStructcral Steel PhajDaim ntawv |
| Txuj | ASTM |
| Khoom siv | ASTM 871 Qib 60/65
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| Technology | Kub Rolled, Txias Rolled, Txias Kos, Kub Kub |
| Ua siab ntev | Tswj nrog hauv tus qauv, OD: +/- 1%, WT: +/- 5% |
| Daim ntawv thov | Dav siv nyob rau hauv marine Cheebtsam, tsim steel qauv Cheebtsam, substation auxiliary chaw,lub teeb kev lag luam, thiab lwm yam.
|
| Cov nqe lus them nqi | 1.FOB 30% T / T, 70% ua ntej xa zaub mov 2.CIF 30% Kev them nyiaj ua ntej, Qhov seem yuav tsum tau them ua ntej xa khoom 3.Irrevocable 100% L/C thaum pom |
| Kev tshuaj xyuas thib peb | SGS, BV, MTC |
| Qhov zoo | 1. Lub sijhawm luv luv2. Kev ruaj ntseg zoo 3.Competitive nqi, 4. Cov qauv dawb |
| Lub sij hawm xa tuaj | Hauv 25 hnub tom qab tau txais cov nyiaj them ua ntej |
| Khoom Khoom | |||
| QIB | YIELD POINT (KSI) | Lub zog tensile (KSI) | MIN.8" ELONGATION % |
| 60 | 60 | 75 | 16 |
| 65 | 65 | 80 | 15 |
| Tshuaj muaj pes tsawg leeg | |
| HOM I | |
| CARBON | 0.19% MAX |
| MANGANESE | 0.80-1.35% |
| PHOSPHORUS | 0.030% MAX |
| SULFUR | 0.030% MAX |
| SILICON | 0.30-0.65% |
| NICKEL | 0.40% MAX |
| CHROMIUM | 0.40-0.70% yog |
| tooj liab | 0.25-0.40% |
| VANADIUM | 0.02-0.10% |
| HOM II | |
| CARBON | 0.20% MAX |
| MANGANESE | 0.75-1.35% |
| PHOSPHORUS | 0.030% MAX |
| SULFUR | 0.030% MAX |
| SILICON | 0.15-0.50% |
| NICKEL | 0.50% MAX |
| CHROMIUM | 0.40-0.70% yog |
| tooj liab | 0.20-0.40% |
| VANADIUM | 0.01-0.10% |
| HOM IV | |
| CARBON | 0.17% MAX |
| MANGANESE | 0.50-1.20% |
| PHOSPHORUS | 0.030% MAX |
| SULFUR | 0.030% MAX |
| SILICON | 0.25-0.50% |
| NICKEL | 0.40% MAX |
| CHROMIUM | 0.40-0.70% yog |
| MOLYBDENUM | 0.10% MAX |
| tooj liab | 0.30-0.50% |
| COLUMBIUM | 0.005-0.05% |
Lub phaj steel yog ib lub tiaj tus hlau uas yog cam khwb cia nrog molten steel thiab nias tom qab txias.
Cov ntawv hlau yog tiaj tus, duab plaub thiab tuaj yeem ncaj qha dov los yog txiav los ntawm cov hlau dav dav.
Cov hlau phaj yog muab faib raws li thickness, nyias steel phaj yog tsawg tshaj li 4 hli (thinnest yog 0.2 hli), nruab nrab-thick steel phaj yog 4-60 hli, thiab lub thickness ntawm steel phaj yog 60-115. mm.
Cov ntawv hlau tau muab faib ua phaj kub dov thiab txias dov phaj raws li dov.
1. Kub Rolled Steel Phaj
Kub dov txheej txheem muaj xws li kub dov, forging, extrusion thiab lwm txoj kev.
2. Txias Rolled Steel Phaj
Cov txheej txheem txias dov muaj xws li txias dov, kos duab txias thiab kos duab txias, txias khoov, txias extrusion thiab lwm txoj kev.
Txoj kev txias dov yog txuas ntxiv ua cov kub dov hlau hauv qab qhov kub ntawm recrystallization kom nws txias dov hlau.Siv cov txheej txheem txias dov tuaj yeem txhim kho cov khoom siv ntawm cov hlau, thiab tau txais cov khoom lag luam nrog qhov tseeb qhov tseeb thiab qee qhov smoothness.
Q: Koj puas yog cov chaw tsim khoom?
A: Yog, peb yog cov chaw tsim khoom Carbon Steel Sheet, Peb muaj lub Hoobkas, uas nyob hauv Shandong, Suav.Peb muaj lub zog ua hauv kev tsim thiab xa tawm carbon steel phaj, txias dov steel ntawv, thiab lwm yam. Peb cog lus tias peb yog yam koj tab tom nrhiav.
Q: Peb puas tuaj yeem tuaj xyuas koj lub Hoobkas?
A: Zoo siab txais tos thaum peb muaj koj lub sijhawm peb yuav tuaj tos koj.
Q: Koj puas muaj kev tswj xyuas zoo?
A: Yog lawm, peb tuaj yeem lees txais BV, SGS thib peb kuaj.
Q: Koj puas tuaj yeem npaj cov khoom xa tuaj?
A: Tseeb, peb muaj cov neeg xa khoom mus tas li uas tuaj yeem tau txais tus nqi zoo tshaj plaws los ntawm ntau lub tuam txhab nkoj thiab muab kev pabcuam tshaj lij.
Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau nws yog 7-14 hnub yog tias cov khoom muaj nyob hauv Tshuag.los yog nws yog 25-35 hnub yog tias cov khoom tsis nyob hauv Tshuag, nws yog raws li kom muaj nuj nqis.
Q: Peb tuaj yeem tau txais qhov kev thov li cas?
A: Thov muab cov lus qhia tshwj xeeb ntawm cov khoom, xws li cov khoom siv, qhov loj, zoo li, thiab lwm yam Yog li peb tuaj yeem muab qhov zoo tshaj plaws.
Q: Peb puas tuaj yeem tau txais qee cov qauv?
A: Yog, koj tuaj yeem tau txais cov qauv hauv peb cov Tshuag.Free rau cov qauv tiag, tab sis cov neeg siv khoom yuav tsum them tus nqi thauj khoom.
Q: Koj ua li cas rau peb lub lag luam mus ntev thiab kev sib raug zoo?
A: 1.Peb khaws cov khoom zoo thiab cov nqi sib tw kom ntseeg tau tias peb cov neeg siv khoom tau txais txiaj ntsig.
2.Peb hwm txhua tus neeg siv khoom raws li peb tus phooj ywg thiab peb ua siab dawb ua lag luam thiab ua phooj ywg nrog lawv, txawm lawv tuaj qhov twg los.
