TS EN 10028-3 P275Nyog siv dav dav siv cov hlab ntsha steel paub txog nws cov tshuaj sib npaug, cov khoom siv kho tshuab txhim khu kev qha, thiab kev ua haujlwm zoo heev.
TS EN 10028-3 P275N
Raws li ib txwm P275N siab cov hlab ntsha hlau, nws ua lub luag haujlwm tseem ceeb hauv kev lag luam uas xav tau lub zog, kev nyab xeeb, thiab ntev - lub sijhawm ua haujlwm ntev.
P275N Steel Phaj Specification
Raws li kev siv dav dav P275N siab hlab ntsha hlau, qhov kev qhia tshwj xeeb ncaj qha txiav txim siab nws qhov kev siv tau hauv cov haujlwm sib txawv. Peb muab qhov ntau thiab tsawg thiab kev xaiv xa khoom kom tau raws li ntau yam kev lag luam.
| Yam khoom | Specification | Kev piav qhia |
|---|---|---|
| Txuj | TS EN 10028-3 | Siab lub nkoj steel qauv |
| Qib | P275N khoom | Normalized zoo- steel hlau |
| Thickness | 6-150 hli | Kev cai thickness muaj |
| Dav | 1000-3500 hli | Kev txhawb nqa dav dav |
| Ntev | 3000-12000 hli | Txiav - mus rau - qhov kev pab cuam loj |
| Kev Xa Khoom | Normalized (N) | Xyuas kom toughness & stability |
| Surface condition | Dub / Txhaj Blasted / Painted / Oiled | Kev tiv thaiv - kev xaiv corrosion |
| Ntug mob | Mill Ntug / Slit Ntug | Raws li kev xav tau |
| Ua siab ntev | Raws li EN tus qauv | High precision tswj |
| Kev kho cua sov | Normalizing / Optional PWHT | Kev ua tau zoo dua |
| Kev tshuaj xyuas | UT / Impact Test / Chemical Analysis | Kev tswj kom zoo tag nrho |
| Daim ntawv pov thawj | EN 10204 3.1 / 3.2 | Cov ntaub ntawv pov thawj |
| Kev ua haujlwm | Txiav / Drilling / Beveling | Npaj-- siv daim hlau |
| Daim ntawv thov | Cov hlab ntsha, boilers, tanks | Kev siv tshuab |
Cov kev qhia tshwj xeeb no ua rau P275N siab cov hlab ntsha hlau tsim nyog rau ntau yam kev siv, los ntawm cov txheej txheem boiler rau kev tsim cov hlab ntsha siab.
Tshuaj muaj pes tsawg leeg ntawm P275N Steel
Cov tshuaj muaj pes tsawg leeg ntawm P275N Cov Khoom Siv tau ua tib zoo tswj xyuas kom muaj lub zog zoo, toughness, thiab weldability rau P275N siab hlab ntsha steel daim ntaub ntawv.
| Element | Cov ntsiab lus (%) |
|---|---|
| C (Carbon) | Tsawg dua lossis sib npaug li 0.16 |
| Si (Silicon) | Tsawg dua los yog sib npaug li 0.40 |
| Manganese (Mn) | 0.80 – 1.50 |
| P (phosphorus) | Tsawg dua lossis sib npaug li 0.025 |
| S (Sulfur) | Tsawg dua lossis sib npaug li 0.015 |
| Cr (Chromium) | Tsawg dua los yog sib npaug li 0.30 |
| Cu (kwv yees) | Tsawg dua los yog sib npaug li 0.30 |
| Molybdenum (zeeg) | Tsawg dua lossis sib npaug li 0.08 |
| Nb (Niobium) | Tsawg dua los yog sib npaug li 0.05 |
| Ni (Nickel) | Tsawg dua los yog sib npaug li 0.50 |
| Titanium (zeeg) | Tsawg dua los yog sib npaug li 0.03 |
| V (Vanadium) | Tsawg dua los yog sib npaug li 0.05 |
Qhov sib npaug sib npaug no ua kom ntseeg tau tias P275N siab cov hlab ntsha steel ua tiav kev sib xyaw ua ke ntawm lub zog, weldability, thiab toughness, ua rau nws zoo tagnrho rau cov hlab ntsha siab thiab boiler.
Mechanical Properties thiab Performance Advantages ntawm P275N steel phaj
TS EN 10028-3 P275N steel muaj kev sib xyaw ua ke ntawm lub zog thiab tawv:
Yield zog: Ntau dua los yog sib npaug rau 275 MPa
Tensile zog: 390 - 510 MPa
Cov txiaj ntsig tseem ceeb:
1. Siab zog
Lub zog ntawm P275N Cov Khoom Siv tau ua tau raws li qhov yuav tsum tau ua ntawm feem ntau nruab nrab - cov qauv tsim hluav taws xob, ua rau nws tsim nyog rau ntau hom kev lag luam.
2. Zoo Toughness & Fatigue Resistance
Cov hlau no tswj kev ruaj ntseg nyob rau hauv cyclic loads thiab complex kev nyuaj siab, pab kom ntev kev pab cuam lub neej ntawm cov khoom.
3. Zoo Weldability
Cov ntsiab lus tsis tshua muaj carbon thiab sib npaug ntawm cov khoom sib npaug ua rau P275N siab cov hlab ntsha hlau yooj yim rau vuam, txo cov khoom nyuaj thiab nqi.
4. Kev ua haujlwm zoo
Nws txhawb kev txiav, sib sau, thiab vuam cov txheej txheem zoo, txhim kho tag nrho cov khoom siv tau zoo.
Daim ntawv thov ntawm EN 10028-3 P275N Steel
Ua tsaug rau nws cov khoom zoo heev, P275N siab hlab ntsha hlau yog dav siv hauv ntau qhov kev lag luam:
Cov Khoom Siv Hluav Taws Xob & Cov Khoom Siv Hluav Taws Xob
- Ib - txheej thiab ntau - txheej txheej siab
- Coil-welded ntim
- Thaum tshav kub kub- lub tes tsho thawv
- Tsawg-kub siab cov hlab ntsha
Roj, Roj & Tshuaj Kev Lag Luam
- Lub tank cia
- Txheej txheem nkoj
- Petrochemical khoom
Fais fab nroj tsuag & Boilers
- Boiler Cheebtsam
- Chav{0}}cov cuab yeej muaj feem xyuam
- Thaum tshav kub kub exchanger systems
Kev siv cov qauv & Engineering
- Kev tsim vaj tsev
- Choj engineering Cheebtsam
Hauv cov ntawv thov no, P275N Cov Khoom Siv muab kev txhawb nqa cov qauv txhim khu kev qha thiab ua kom muaj kev nyab xeeb ua haujlwm nyob rau hauv lub siab thiab kub.
Nrog nws cov tshuaj ua kom zoo tshaj plaws, cov khoom siv kho tshuab muaj zog, thiab kev siv dav, EN 10028-3 P275N steel tau dhau los ua cov khoom tseem ceeb hauv lub nkoj siab thiab cov khoom siv tsim khoom.
Raws li kev cia siab rau P275N siab lub nkoj hlau, nws muaj qhov zoo tshaj plaws ntawm qhov sib npaug ntawm lub zog, weldability, thiab durability, ua rau nws tus nqi -kev daws teeb meem zoo rau ntau yam haujlwm engineering.
Hu rau tam sim no kom tau txais P275N steels Quote
Dab tsi yog qhov txawv ntawm P275N, P275NH, P275NL1, thiab P275NL2?
Qhov sib txawv tseem ceeb yog nyob rau hauv qhov ntsuas kub ntawm qhov ntsuas kub thiab siv tau rau kev ua haujlwm. Tag nrho plaub qib muaj qhov tsawg kawg nkaus tawm lub zog ntawm ntau dua lossis sib npaug rau 275MPa (rau thickness Tsawg dua lossis sib npaug rau 16mm) thiab ua raws li EN 10028-3 tus qauv:
P275N: Kev ntsuam xyuas cuam tshuam ntawm -20 degree, haum rau cov hlab ntsha ntawm qhov kub thiab txias thiab cov kav dej dav dav;
P275NH: Kev ntsuam xyuas cuam tshuam ntawm -20 degree, optimized rau siab -kev ua haujlwm kub, hloov mus rau nruab nrab- rau-siab kub siab hauv qab 350℃;
P275NL1: Kev ntsuam xyuas cuam tshuam ntawm -40 degree, haum rau cov tso tsheb hlau luam uas tsis muaj qhov kub thiab txias hauv cov cheeb tsam txias;
P275NL2: Kev ntsuam xyuas cuam tshuam ntawm -50 degree, muab qhov zoo tshaj plaws ultra-low kub toughness, yoog rau cov khoom siv cryogenic xws li kua nitrogen / LNG systems.
Yuav ua li cas yog tus lej sib raug rau plaub qib no?
P275N: 1.0483;
P275NH: 1.0485;
P275NL1: 1.0488;
P275 NL2: 1.1104.
Puas yog thickness cuam tshuam kev ua haujlwm?
Yog, nws ua. Thaum lub thickness ntau tshaj 16 hli, lub zog tawm los maj mam txo qis (piv txwv li, Ntau dua lossis sib npaug ntawm 245MPa rau 63 ~ 100mm), thiab qhov qis - kub toughness kuj poob me ntsis. Rau ultra- qhov kub thiab txias ua hauj lwm tej yam kev mob nrog thickness ＞40mm, nws raug nquahu kom ua qhov tseem ceeb ntawm P275NL2 thiab nce qhov piv txwv rau kev ntsuam xyuas cuam tshuam.
Cov cuab yeej cuab tam tseem ceeb ntawm plaub qib yog dab tsi?
Yield Strength (ReH): Ntau dua los yog sib npaug rau 275MPa rau thickness Tsawg dua los yog sib npaug rau 16mm, me ntsis txo nrog nce thickness (xws li, Ntau tshaj los yog sib npaug rau 255MPa rau 40 ~ 63mm);
Tensile zog (Rm): 410 ~ 560MPa;
Impact Energy (KV): Ntau dua lossis sib npaug rau 27J rau txhua qhov cuam tshuam qhov kub thiab txias (cov khoom siv tsis tu ncua ua tau raws li ntau dua lossis sib npaug rau 40J txhawm rau txhim kho kev nyab xeeb dua);
Elongation (A): Ntau dua lossis sib npaug li 22% ~ 24% (hloov nrog tuab).
Dab tsi yog qhov ntau ntawm qhov muaj nyob?
Thickness: 6mm ~ 300mm;
Dav: 1500mm ~ 4800mm;
Ntev: 6000mm ~ 18000mm;
Customized txiav, drilling, thiab beveling cov kev pab cuam muaj, nrog tsawg kawg txiav loj ntawm 500 × 500mm.
Lub weldability zoo li cas, thiab cov lus pom zoo welding yog dab tsi?
Nws muaj qhov zoo tshaj plaws weldability (CEV Tsawg dua lossis sib npaug rau 0.43%), nrog cov kev pom zoo:
Vuam Consumables: E5515-C1 rau phau ntawv arc vuam, H08MnA + F55A4 flux rau submerged arc vuam, thiab ER50-6 rau roj arc vuam;
Preheating Requirement: Tsis muaj preheating yuav tsum tau thickness tsawg dua los yog sib npaug rau 30mm; preheat rau 100 ~ 150℃rau thickness ~ 30mm;
Interpass Kub: Tsawg dua los yog sib npaug li 250 degree, nrog cov cua kub tswj ntawm 15 ~ 35kJ / cm;
Ncej -Kev kho cua sov (PWHT): Pom zoo rau cov phaj tuab (＞50mm) - kev ntxhov siab rau kev ntxhov siab ntawm 580 ~ 620℃rau 2 teev.
P275 series puas tuaj yeem hloov tau rau ASTM A516 Gr70 (American standard) lossis Q345R (Suav tus qauv)?
vs. ASTM A516 Gr70: Lub zog zoo sib xws, tab sis P275 series muaj qhov zoo dua qis dua -kub toughness
. P275 series yog qhov nyiam rau cov haujlwm nyob sab Europe, thaum ASTM A516 Gr70 haum rau North American cov haujlwm;
vs. Q345R (GB 713): Q345R muaj lub zog tawm los ntau dua (Ntau dua lossis sib npaug rau 345MPa), tab sis P275 series ua tau zoo nyob rau hauv qis- qhov kub thiab txias (-20℃cuam tshuam) thiab qhov kub thiab txias. Rau cov haujlwm thoob ntiaj teb, nws raug pom zoo kom xaiv raws li EN tus qauv ua ntej.
Dab tsi yog qhov txawv ntawm P275NL1 / NL2 thiab 16MnDR (Suav tus qauv)?
16MnDR (GB 3531): Kev ntsuas cuam tshuam ntawm -40 degree, tawm lub zog ntau dua lossis sib npaug rau 315MPa, tsim nyog rau cov haujlwm kub hauv tsev;
P275NL1: Kev ntsuas cuam tshuam ntawm -40 degree, tawm lub zog ntau dua lossis sib npaug ntawm 275MPa, koom nrog European tus qauv system nrog kev lees paub thoob ntiaj teb siab dua;
P275NL2: Kev sim cuam tshuam ntawm -50 degree, muab qhov zoo dua qhov kub thiab txias dua li 16MnDR, hloov tau mus rau qhov ua haujlwm hnyav dua cryogenic.
| Lwm cov hlau phaj | ||||
| Lub npe | Khoom siv | Specification (hli) | Tos | Lus ceeb toom |
| Clad steel phaj | P265GH+410,S355JR+410,A516Gr70+316, A537CL1+304L,Q235B+304L,Q345B+304, A516Gr70(NACE)+410,A537CL1+904L, A537CL1+316L,A516Gr70+304L,A537CL1+304 ,A516Gr70+410,A516Gr70+904L |
2-300mm (raws li phaj), 1-50mm (Composited phaj) | / | UT, AR, TMCP.Normalized, Quenched thiab Tempered, Z Direction Test, Charpy V-Ntch impact TestThe Third Party Test, Coated or Shot Blasting and Painting. |
| Tsawg Alloy | Q345A, Q345B, Q345C, Q345D, Q345E, Q390, Q420, Q460C, ST52-3, S355J2+N, SS400, SA302GrC, S275NL, 35CrMo | 6 - 350 | 5788.56 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Pressure Vessel Plate | Q245R, Q345R, Q370R, 16MnDR, 09MnNiDR, 15CrMoR, 14Cr1MoR, 12Cr2Mo1R, SA516Gr60, SA516Gr70, SA516Gr485, SAG281G, SAG281G SA387Gr22, P265,P295,P355GH,Q245R(R-HIC),Q345R(R{30}}HIC) | 3 - 300 | 8650 | Normalizing, tempered, tswj dov, kub dov, Kub dov, 1st tshuaj xyuas, 2nd tshuaj ntsuam, 3rd tshuaj ntsuam |
| Siab -Plate muaj zog | WH785D/E,Q960D/E,Q890D/E,WH60D/E,WH70B,Q550D,Q590D,Q690D/E | 8 - 120 | 3086.352 | Quenched thiab tempered |
| Hnav-Resistant Phaj | NM360, NM400, NM450, NM500 | 6 - 150 | 3866.297 | Quenched thiab tempered |
| Choj Phaj | Q235qC, Q345qC, Q370qC, Q420qC, Q345qDNH, Q370qDNH, A709 - 50F - 2, A709 - 50T - 2 | 8 - 200 | 2853.621 | Kub dov, normalized, kub dov tswj dov, quenched thiab tempered + toughness thiab brittleness |