Ob leeg P355GH steel thiab P355NH siab nkoj steel phaj yog dav siv European txheem cov ntaub ntawv rau cov khoom siv siab. Txawm hais tias lawv sib koom ua ke muaj zog zoo sib xws, lawv tau tsim nyob rau hauv cov qauv sib txawv thiab tsim los rau cov kev pabcuam sib txawv, tshwj xeeb tshaj yog nyob rau hauv cov kev ntsuas kub thiab cov qauv steel.
Kev nkag siab qhov sib txawv ntawm ob qib no yog qhov tseem ceeb rau kev xaiv cov khoom tsim nyog rau koj qhov project.
Txheem Specification ntawm P355GH steel thiab P355NH siab nkoj steel phaj
| Yam khoom | P355GH hlau | P355NH hlau |
|---|---|---|
| Txuj | TS EN 10028-2 | TS EN 10028-3 |
| Hom hlau | Tsis yog{0}} hlau alloy | Zoo-cov qauv steel hlau |
| Kev Xa Khoom | Li qub | Li qub |
| Main Feature | High -kev ua haujlwm kub | Toughness thiab weldability |
Qhov sib txawv tseem ceeb yog tias P355GH yog tsim los rau kev pabcuam kub siab, thaum P355NH tsom ntau dua rau kev ua kom tawv thiab ruaj khov.
Kev sib xyaw tshuaj sib piv ntawm P355GH thiab P355NH siab nkoj steel phaj
P355GH hlau sib xyaw (%)
| Element | Cov ntsiab lus |
|---|---|
| C | 0.10 – 0.22 |
| Si | Tsawg dua los yog sib npaug li 0.40 |
| Mn | 1.10 – 1.70 |
| P | Tsawg dua lossis sib npaug li 0.025 |
| S | Tsawg dua lossis sib npaug li 0.015 |
| Al | Tsawg dua los yog sib npaug rau 0.020 |
| N | Tsawg dua lossis sib npaug li 0.012 |
| Cr | Tsawg dua los yog sib npaug li 0.30 |
| Cu | Tsawg dua los yog sib npaug li 0.30 |
| Mo | Tsawg dua los yog sib npaug li 0.08 |
| Nb | Tsawg dua los yog sib npaug rau 0.020 |
| Ni | Tsawg dua los yog sib npaug li 0.30 |
| Ti | Tsawg dua los yog sib npaug li 0.03 |
| V | Tsawg dua los yog sib npaug li 0.02 |
P355NH hlau muaj pes tsawg leeg (%)
| Element | Cov ntsiab lus |
|---|---|
| C | Tsawg dua lossis sib npaug li 0.18 |
| Si | Tsawg dua los yog sib npaug li 0.50 |
| Mn | 1.10 – 1.70 |
| P | Tsawg dua lossis sib npaug li 0.025 |
| S | Tsawg dua lossis sib npaug li 0.015 |
| Al | Ntau dua lossis sib npaug rau 0.020 |
| N | Tsawg dua lossis sib npaug li 0.012 |
| Cr | Tsawg dua lossis sib npaug li 0.31 |
| Cu | Tsawg dua los yog sib npaug li 0.30 |
| Mo | Tsawg dua los yog sib npaug li 0.08 |
| Nb | Tsawg dua los yog sib npaug li 0.05 |
| Ni | Tsawg dua los yog sib npaug li 0.50 |
| Ti | Tsawg dua los yog sib npaug li 0.03 |
| V | Tsawg dua lossis sib npaug li 0.10 |
| Nb+Ti+V | Tsawg dua lossis sib npaug li 0.12 |
P355NH muaj ntau dua micro-alloying ntsiab (Nb, V, Ti). Qhov no txhim kho cov nplej refinement, toughness, thiab tsis kam rau brittle puas. P355GH muaj ib qho yooj yim muaj pes tsawg leeg, optimized rau siab - kub stability
Mechanical zog ntawm P355GH steel thiab P355NH siab nkoj steel phaj
| Khoom | P355GH hlau | P355NH hlau |
|---|---|---|
| Yield zog | Ntau dua lossis sib npaug li 355 MPa | Ntau dua lossis sib npaug li 355 MPa |
| Tensile zog | 470-630 MPa | 490-630 MPa |
| Yuav tsum muaj kev cuam tshuam | Tsis yuam | Yuav tsum tau (tuaj yeem lav) |
| Kub tsom | Kub kub | Qhov kub thiab txias |
Daim ntawv thov ntawm P355GH steel thiab P355NH siab nkoj steel phaj
P355GH hlau - Kev siv kub kub
P355GH steel feem ntau yog siv nyob rau hauv ib puag ncig uas yuav tsum tau kub siab tiv thaiv:
Muaj boilers
Kub exchangers
Chav kav dej
Cov hlab ntsha siab ua haujlwm ntawm qhov kub thiab txias
Nws ua tau zoo nyob rau hauv kev ua haujlwm siab - qhov kub thiab txias, ua rau nws zoo tagnrho rau cov tshuab cua sov.
P355NH Hlau - Siab & Kev Nyab Xeeb Kev Nyab Xeeb
P355NH siab lub nkoj steel phaj yog tsim los rau cov ntawv thov kom muaj zog, weldability, thiab toughness:
Cov hlab ntsha siab thiab lub tank cia
Cov khoom siv roj thiab roj
Chemical processing units
Cov khoom siv hluav taws xob
Nws yog tshwj xeeb tshaj yog haum rau cov qauv nyob rau hauv siab thiab dynamic loads, qhov twg toughness yog ib qho tseem ceeb.
Tub ntxhais ntawm P355GH thiab P355NH siab hlab ntsha hlau
| Feature | P355GH | P355 NH |
|---|---|---|
| Txuj | TS EN 10028-2 | TS EN 10028-3 |
| Ua kom pom tseeb | Kub kub | Toughness & weldability |
| Qauv | Tsis yog- alloy | Fine-ua tau zoo |
| Impact Resistance | qis | Siab dua |
| Daim ntawv thov | Thermal systems | Cov hlab ntsha siab |
Yuav Ua Li Cas Xaiv Ntawm P355GH thiab P355NH?
Xaiv P355GH yog tias:
- Koj qhov project ua haujlwm ntawm qhov kub thiab txias
- Koj xav tau kev ua haujlwm ruaj khov hauv boilers lossis kub exchangers
- Impact toughness tsis yog thawj qhov yuav tsum tau ua
Xaiv P355NH yog tias:
- Koj qhov project cuam tshuam nrog cov hlab ntsha siab lossis cov khoom thauj khoom
- Koj xav tau zoo weldability thiab toughness
- Kev nyab xeeb thiab kev tiv thaiv rau brittle cracking yog qhov tseem ceeb
Hauv qhov tiag -lub ntiaj teb engineering, cov khoom siv tsis ua haujlwm feem ntau cuam tshuam nrog qhov kub tsis sib haum lossis tsis muaj zog txaus, tsis yog lub zog xwb. Tias yog vim li cas xaiv ntawm P355GH thiab P355NH steel yuav tsum xav txog cov kev ua haujlwm tiag tiag es tsis yog cov khoom siv tshuab xwb.
Txawm hais tias P355GH steel thiab P355NH siab lub nkoj steel phaj muaj cov qib zoo sib xws, lawv ua haujlwm sib txawv:
- P355GH → Qhov zoo tshaj plaws rau siab -kev siv kub
- P355NH → Qhov zoo tshaj plaws rau cov hlab ntsha siab uas yuav tsum tau muaj zog thiab weldability
Kev xaiv cov khoom tsim nyog ua kom lub sijhawm ntev - kev nyab xeeb, kev ua tau zoo, thiab kev siv nyiaj txiag.
Yog tias koj xaiv ntawm P355GH thiab P355NH steel, qhov kev xaiv zoo tuaj yeem cuam tshuam rau koj qhov kev ua tau zoo thiab kev nyab xeeb.
Peb muab ob qib nrog daim ntawv pov thawj tag nrho, ruaj khov zoo, thiab xa khoom sai.
Tiv tauj peb hnub no kom tau txais cov lus qhia tshwj xeeb thiab cov lus hais zoo tshaj plaws rau koj qhov project.
Hu rau tam sim no kom tau txais P355GH steels Quote
P355NH khoom yog dab tsi?
P355NH steel yog tus cwj pwm los ntawm kev sib txuas zoo thiab kev ua haujlwm siab kom tawg tawg.
Dab tsi yog qhov txawv ntawm p355 thiab S355 steel?
Mechanical Properties: P355GH: Muaj qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa thiab tau ua kom zoo rau siab - qhov kub thiab txias nyob rau hauv cov hlab ntsha siab, tab sis muaj qis toughness nyob rau hauv txias txias. S355J2: Kuj tseem muaj lub zog tawm los ntawm 355 MPa tab sis tau ua kom zoo rau cov qauv siv uas yuav tsum muaj kev cuam tshuam toughness.
Qhov txawv ntawm S355H thiab s355nh yog dab tsi?
Lub Hom Phiaj: Zoo ib yam li S355H, nws yog siv rau cov txheej txheem hollow seem, tab sis "N" qhia tias cov hlau yog normalized los yog normalized dov, uas txhim kho nws toughness thiab weldability los ntawm refining lub grain qauv.
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.