Thaum xaiv cov khoom siv rau cov hlab ntsha thiab cov boilers,P355GH hlauthiab ASTM A516 Qib 70 yog ob qho kev xaiv siv thoob plaws ntiaj teb.
P355GH hlau
Txawm hais tias ob qho tib si yog tsim los rau kev siv siab, lawv ua raws li cov qauv sib txawv thiab ua qhov sib txawv nyob rau hauv siab - qhov kub thiab txias. Kev nkag siab txog lawv qhov sib txawv yog qhov tseem ceeb rau kev xaiv cov khoom tsim nyog rau koj qhov project.
P355GH Steel yog dab tsi?
P355GH steel yog European txheem siab lub nkoj hlau nyob rau hauv EN 10028-2, tshwj xeeb tsim los rau siab kub kev pab cuam. Tus "P" qhia txog lub hom phiaj siab, thiab "355" sawv cev rau qhov tsawg kawg nkaus lub zog ntawm 355 MPa.
Cov khoom no yog siv dav hauv boilers, kub exchangers, thiab siab tshuab ua hauj lwm kub txog li 400 degree. Nws muaj cov weldability zoo heev, ruaj khov microstructure tom qab normalization, thiab txhim khu kev qha creep kuj, ua rau nws tshwj xeeb tshaj yog haum rau ntev - lub sij hawm siab - kub daim ntawv thov.
ASTM A516 Qib 70 Hlau yog dab tsi?
ASTM A516 Qib 70 yog cov pa roj carbon steel phaj uas tau teev tseg raws li tus qauv ASTM, feem ntau yog siv rau cov hlab ntsha siab thiab cov boilers ua haujlwm ntawm qhov kub thiab txias.
Nws yog dav siv nyob rau hauv cov roj, roj, thiab petrochemical industries vim nws zoo zog thiab toughness. Txawm li cas los xij, piv nrog P355GH, ASTM A516 Gr70 tsis yog tsim tshwj xeeb rau kev ua haujlwm siab ntev - kub.
Kev sib piv tshuaj sib piv ntawm P355GH steel thiab ASTM A516 Qib 70
Qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg qhia txog lawv cov kev xav tau.
P355GH tshuaj muaj pes tsawg leeg (%)
| Element | Cov ntsiab lus |
|---|---|
| C | Tsawg dua los yog sib npaug li 0.20 |
| Si | Tsawg dua los yog sib npaug li 0.40 |
| Mn | 1.00 – 1.70 |
| P | Tsawg dua lossis sib npaug li 0.025 |
| S | Tsawg dua lossis sib npaug li 0.015 |
ASTM A516 Qib 70 Chemical Composition (%)
| Element | Cov ntsiab lus |
|---|---|
| C | Tsawg dua lossis sib npaug li 0.28 |
| Mn | 0.85 – 1.30 |
| P | Tsawg dua lossis sib npaug li 0.035 |
| S | Tsawg dua lossis sib npaug li 0.035 |
| Si | 0.15 – 0.40 |
Piv nrog rau ASTM A516 Qib 70, P355GH steel muaj cov pa roj carbon tsawg dua thiab cov kev txwv tsis pub muaj zog, uas txhim kho weldability thiab txo qhov kev pheej hmoo ntawm kev tawg thaum lub sij hawm tsim thiab kev pabcuam.
Mechanical Properties Sib piv ntawm P355GH steel thiab ASTM A516 Qib 70
P355GH Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog | Ntau dua lossis sib npaug li 355 MPa |
| Tensile zog | 470-630 MPa |
| Elongation | Ntau dua lossis sib npaug li 22% |
ASTM A516 Gr70 Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog | Ntau dua lossis sib npaug li 260 MPa |
| Tensile zog | 485-620 MPa |
| Elongation | Ntau dua lossis sib npaug li 17% |
Los ntawm kev sib piv, P355GH muab lub zog tawm los ntau dua, uas txhais tau hais tias zoo dua tiv thaiv deformation nyob rau hauv siab.
Qhov txawv ntawm P355GH thiab ASTM A516 Gr70
1. Kev ua haujlwm kub
P355GH steel yog tsim tshwj xeeb rau kev ua haujlwm siab kub (txog 400 degree), nrog kev txhim khu kev ntseeg siab.
ASTM A516 Gr70 yog qhov tsim nyog rau kev siv qis lossis qis dua.
P355GH yog qhov zoo dua rau siab -kub siab tshuab.
2. Txuj thiab Daim Ntawv Thov
P355GH: EN 10028-2 (Tebchaws Europe tus qauv)
ASTM A516 Gr70: ASTM tus qauv (Asmeskas)
P355GH feem ntau yog siv nyob rau hauv cov teb chaws Europe thiab thoob ntiaj teb EPC tej yaam num, thaum A516 Gr70 yog dav siv nyob rau hauv Teb Chaws Asmeskas thiab roj & roj sectors.
3. Weldability thiab kev ua haujlwm
Vim tias nws cov ntsiab lus qis dua thiab tswj cov impurities, P355GH steel muaj qhov zoo dua weldability, tshwj xeeb tshaj yog rau cov phaj tuab thiab cov ntaub ntawv nyuaj.
4. Lub zog thiab kev nyab xeeb
P355GH muaj lub zog tawm los ntau dua (355 MPa vs 260 MPa), ua rau nws tsim nyog rau siab - qhov chaw siab xav tau kev nyab xeeb dua.
Kev siv ntawm P355GH steel thiab ASTM A516 Qib 70
P355GH steel daim ntaub ntawv
- Boilers thiab cov hlab ntsha siab
- Kub exchangers
- Fais fab nroj tsuag systems
- Cov kav dej rau cov kua dej kub
- High -kub muaj khoom siv
ASTM A516 Gr70 daim ntawv thov
- Roj thiab roj cia tank
- Cov hlab ntsha siab ntawm qhov nruab nrab kub
- General khoom siv
Yog tias koj qhov project muaj qhov kub thiab txias, tsis tu ncua, lossis lub neej ua haujlwm ntev, P355GH steel yog qhov kev xaiv zoo dua vim nws lub zog zoo dua, weldability, thiab thermal ua haujlwm.
ASTM A516 Qib 70 tseem yog tus nqi - qhov kev xaiv zoo rau cov qauv kev siv siab ntawm qhov kub nruab nrab, tab sis nws yuav tsis muab tib theem ntawm kev ntseeg siab nyob rau hauv qhov kub siab.
Hauv cov ntsiab lus, thaum ob qho khoom siv tau dav siv hauv kev tsim cov hlab ntsha siab, P355GH steel sawv tawm rau kev ua haujlwm siab - kub, muaj zog dua, thiab zoo dua weldability. Nws yog tshwj xeeb tshaj yog haum rau kev xav tau ib puag ncig uas muaj kev nyab xeeb thiab kav ntev yog qhov tseem ceeb.
Raws li tus kws tshaj lij P355GH steel phaj tsum, peb muab ntau qhov ntau thiab tsawg, thib peb- kev tshuaj xyuas tog (SGS, BV, LR), thiab kev pabcuam ua haujlwm. Tiv tauj peb hnub no rau kev sib tw hais lus thiab cov kws tshaj lij kev txhawb nqa.
Hu rau tam sim no kom tau txais P355GH steels Quote
P355GH khoom yog dab tsi?
Hlau rau tshav kub-cov hlab ntsha uas tiv taus siab. P355GH steel muab kev ua tau zoo tshaj plaws rau cov khoom siv siab uas yuav tsum txhawb nqa qhov txwv tsis pub tshaj 180N / mm2 ntawm 400ºC. Cov hom hlau no yog cov yam ntxwv zoo weldability.
P355GH cov khoom sib npaug yog dab tsi?
Cov Lus Cim: BS EN 10028-2 P355GH steel phaj zoo sib npaug rau ASTM A516 GR 70 thiab ASME SA 516 GR 70, tshwj xeeb tshaj yog rau kev siv lub nkoj siab, nrog P355GH muab lub zog siab dua me ntsis thiab nruj dua sulfur tswj rau HIC tsis kam.
Qhov txawv ntawm P355GH thiab P355NH yog dab tsi?
P355GH steel yog siv thoob ntiaj teb los ntawm fabricators welded siab hlab ntsha, muaj boilers thiab kub exchangers thiab yog engineered ua hauj lwm zoo nyob rau hauv siab kub kev pab cuam. P355NH steel yog ib txwm weldable zoo grain steel flats raws li EN 10028-3: 2009 tus qauv.
Lub zog tawm los ntawm P355GH yog dab tsi?
Cov pa roj carbon steel uas yog tus yam ntxwv los ntawm kev tiv thaiv siab dua, muaj peev xwm ntawm kev coj tus cwj pwm tseem ceeb ntawm qhov kub thiab txias. Lub zog tawm los ntawm 315 thiab 355 MPa, raws li qhov ntau ntawm cov tuab thiab nws lub zog tensile mus ntawm 510 txog 650 MPa.
P355GH sib npaug rau ASTM cov khoom yog dab tsi?
P355GH siab lub nkoj hlau yog qhov sib npaug rau ASTM A516 Qib 70 thiab ASME SA516 Qib 70.