P690QL 2yog lub siab -lub zog quenched thiab tempered (Q + T) steel phaj ua raws li European tus qauv EN 10028-6. Cov yam ntxwv los ntawm ultra-siab zog (690MPa) thiab zoo heev toughness ntawm ultra- kub ntawm -60 degree, nws yog ib tug hwm-qib quenched thiab tempered steel phaj feem ntau siv nyob rau hauv manufacturing siab hlab ntsha, cia tso tsheb hlau luam, thiab structural Cheebtsam rau engineering machinery uas muaj kev kub ntxhov ib puag ncig thiab low-temperature. Nws yog cov khoom siv zoo tagnrho rau con
- Txheem: EN 10028-6
- Qib: P690QL2
- Thickness: 6.0-300.0 hli
- Dav: 1500-4050 mm
- Ntev: 3000-15000mm
| Qib | P690QL 2 |
|---|---|
| Txuj | TS EN 10025-6 (Cov khoom lag luam tiaj tiaj ua los ntawm cov hlau rau lub hom phiaj siab - Ntu 6: Weldable fine grain steels, quenched thiab tempered) |
| Kev Xa Khoom | Quenched thiab Tempered (Q & T) |
| Kev pom zoo los ntawm Third Party | ABS, DNV, GL, CCS, LR, RINA, KR, TUV, CE |
| Weldability | Weldability tau txais, nrog cov pa roj carbon sib npaug (CEV) thiab vuam tawg rhiab heev Performance index (Pcm). Cov txheej txheem vuam tshwj xeeb tshwj xeeb (WPS) yuav tsum ua raws, suav nrog kev ua kom sov ua ntej, kev siv qis - hydrogen vuam consumables, thiab tom qab-weld heat treatment (PWHT). Cov kev pheej hmoo tseem ceeb yog qhov txias txias (hydrogen-induced cracking) thiab toughness degradation nyob rau hauv tshav kub- cuam tshuam cheeb tsam (HAZ). |
| Machineability | Haum rau nplaim taws txiav, laser txiav, thiab plasma txiav. Thaum tshav kub kub input yuav tsum tau tswj kom tsis txhob embrittlement nyob rau hauv lub tshav kub - cuam tshuam cheeb tsam. Ntug sib tsoo tej zaum yuav xav tau tom qab txiav cov phaj tuab kom tshem tawm cov txheej tawv tawv. Kev ua kom txias yog qhov nyuaj thiab yuav tsum tau cua sov. |
| Nto Zoo | Feem ntau muab raws li dov nto, tuaj yeem ua tiav raws li qhov xav tau, xws li sandblasting, txhaj tshuaj blasting, pickling, painting, thiab lwm yam. |
| Kev soj ntsuam yuav tsum tau | Tsis yog-kev kuaj kev puas tsuaj (piv txwv li, UT ultrasonic kuaj) thiab Z-cov cuab yeej ntsuas kev taw qhia (Qib Z15/Z25/Z35) tuaj yeem ntxiv raws li xav tau. |
GNEE yog cov chaw tsim khoom thiab cov khoom lag luam thoob ntiaj tebEN10028-6 P690QL2 siab lub nkoj daim hlau, engineered rau siab -siab, siab -lub zog, thiab huab cua kub siv. Cov phaj no zoo tagnrho rau B2B exporters, wholesalers, thiab procurement tuam txhab nyob rau hauv Ecuador, Peru, Venezuela, UAE, Saudi Arabia, Bahrain, Oman, Qatar, Nigeria, Ghana, Kazakhstan, Russia, Singapore, Nyab Laj, Thaib teb, Australia, thiab Brunei.
PebP690QL2 steel phajmuab lub zog zoo tshaj plaws, weldability, thiab toughness, ua tau raws li qhov xav tau ntawm lub nkoj siab niaj hnub, boiler, thiab cov txheej txheem tshuaj.
Ntsiab nta thiab Aqhov zoo
1. Ultra-High Strength
Nrog rau lub zog tawm los ntawm ntau dua lossis sib npaug ntawm 690MPa, nws txo qis cov qauv hnyav thaum tswj kev ua haujlwm siab -cov kabmob muaj peev xwm, ua rau tsim cov qauv sib dua thiab nyias.
2. Exceptional Tsawg-Tsub Toughness
QL2 qib khaws cov kev cuam tshuam zoo heev txawm tias nyob rau hauv ultra- qhov kub thiab txias qis li -60 degree, sawv cev rau qib siab ntawm cov hlau rau cov hlab ntsha uas tsis tshua muaj siab.
3. Zoo Weldability
Ib qho zoo -grained microstructure, ua ke nrog kev tswj nruj ntawm cov ntsiab lus alloying, ua kom lub zog thiab tawv hauv cov pob qij txha. Txawm li cas los xij, preheating thiab nruj vuam txheej txheem feem ntau yuav tsum tau.
4. Quenched thiab Tempered Structure
Los ntawm quenching thiab siab -kub tempering, ib tug tempered sorbite qauv yog tiav, muab qhov zoo sib npaug ntawm lub zog thiab toughness.
TS EN 10028-6 P690QL2 Boiler thiab Pressure Vessel Steel Phaj
| Qib | P690QL 2 | ||||||||||||||
| Lub ntsiab | C | Si | Mn | P | S | N | B | Cr | Mo | Cu | Nb | Ni | Ti | V | Zr |
| Cov ntsiab lus (max, %) | 0.20 | 0.80 | 1.70 | 0.020 | 0.005 | 0.15 | 0.05 | 1.50 | 0.70 | 0.30 | 0.06 | 2.50 | 0.05 | 0.12 | 0.15 |
Mechanical Properties ntawm EN 10028-6 P690QL2 Boiler Thiab Pressure Vessel Steel Phaj
| Qib | Thickness (t) [hli] | Yield zog (ReH) [min, MPa] | Tensile zog (Rm) [MPa] | Elongation (A) [min, %] | Impact Zog (KV2) [min] | Brinell Hardness (HBW) |
|---|---|---|---|---|---|---|
| P690QL 2 | t Tsawg dua lossis sib npaug li 50 | 690 | 770 - 940 | 14 | 27J (ntawm -60 degree, transverse) | 220 - 280 |
50 | 670 |
770 - 940 |
14 |
27J (ntawm -60 degree, transverse) |
220 - 280 |
| |
100 | 630 |
720 - 900 |
14 |
27J (ntawm -60 degree, transverse) |
220 - 280 |
|
Kev siv ntawm EN 10028-6 P690QL2 Boiler Thiab Pressure Vessel Steel Phaj
Vim nws cov khoom zoo sib xws, P690QL2 yog siv rau hauv cov teb uas xav tau kev nyab xeeb thiab kev ntseeg siab:
1. Kev tsim kho tshuab: Cov khoom tseem ceeb-cov kabmob xws li crane booms, excavator girders, thiab mining tsheb lub cev.
2. Cov khoom siv mining: Hydraulic txhawb nqa thiab conveyor yam ntxwv qhov chaw.
3. Cov tsheb tshwj xeeb: Aerial ntaiv tsheb thauj khoom rau kev tua hluav taws thiab boom caj npab rau saum huab cua ua haujlwm platforms.
4. Cov choj thiab vaj tse: Cov qauv tshwj xeeb raug rau cov khoom hnyav lossis siab seismic.
5. Lub nkoj thiab cov kav dej: Cov ntawv thov uas muaj kev kub siab, tsis tshua muaj kub, lossis loj diameters (nyob rau hauv txoj kab nrog nws tus qauv tsim rau "lub hom phiaj siab").
6. Cua zog: Ntauwd seem thiab cov txheej txheem hauv paus (tshwj xeeb yog tsim rau thaj chaw txias).
7. Marine Engineering thiab Shipbuilding: Qee yam khoom siv uas yuav tsum tau muaj zog thiab toughness.
Lwm cov ntaub ntawv
Kev ua thiab Vuam ceev faj
1. Txiav:
Plasma, nplaim taws, lossis laser txiav tuaj yeem siv tau. Tom qab nplaim taws txiav, rau cov phaj tuab, qhov nyuaj ntawm qhov chaw txiav tuaj yeem nce ntxiv, thiab kev sib tsoo lossis kev sib tsoo yuav tsum tau ua.
2. Txias Khoov:
Ua tau, tab sis nrog qhov tseem ceeb springback thiab ntau dua dabtsi yog khoov quab yuam yuav tsum tau.
3. Vuam:
a) Tsawg- cov txheej txheem hydrogen welding (xws li roj-shielded vuam, submerged arc vuam) yuav tsum tau siv.
b) Ua raws li cov txheej txheem Vuam Specification (WPS), suav nrog preheating (feem ntau yuav tsum tau), tswj qhov kub thiab txias, thiab tswj cov cua kub tawm.
c) Siv cov khoom sib txuam siab -lub zog, siab- cov khoom siv vuam zoo (xws li electrodes / xov hlau ua raws li EN 1600 tus qauv).
d) Tom qab-weld heat treatment (PWHT) lossis dehydrogenation kho tej zaum yuav tsim nyog.
Qhov sib txawv ntawm cov qib nyob rau hauv tib lub series
| Qib | Nominal thickness (hli) | Impact Zog (KV2) [min, transverse] mus | ||||
|---|---|---|---|---|---|---|
| -60 degree | -40 degree | -20 degree | 0 degree | +20 degree | ||
| P690Q | Tsawg dua los yog sib npaug li 200 | - | - | 27 J | 40 J | 60 J |
| p690 qw | Tsawg dua los yog sib npaug li 200 | - | - | 27 J | 40 J | 60 J |
| P690QL 1 | Tsawg dua los yog sib npaug li 200 | - | 27 J | 40 J | 60 J | - |
| P690QL 2 | Tsawg dua los yog sib npaug li 200 | 27 J | 40 J | 60 J | 80 J | - |
International Equivalent Steel Qib
| Qib | Txuj | Yield zog (ReH) [min, MPa] | Tensile zog (Rm) [MPa] | Elongation (A) [min, %] | Impact Zog (KV2) [min] |
|---|---|---|---|---|---|
| P690QL 2 | TS EN 10028-6 (Tebchaws Europe) | 690 | 770 - 940 | 14 | 27J (ntawm -60 degree, transverse) |
| Q690F | GB / T 16270 (Suav) | 690 | 770 - 940 | 14 | 34J (ntawm -60 degree, longitudinal) |
Vim li cas thiaj xaiv GNEE P690QL2 daim hlau?
- Kev paub:Xyoo ntawm kev tsim cov siab - zog EN10028-6 daim hlau rau cov hlab ntsha tseem ceeb
- Kev txawj ntse:Engineering kev sab laj rau kev xaiv cov khoom, vuam, thiab fabrication
- Txoj cai:Ua raws li EN, ISO, thiab PED cov qauv rau cov haujlwm thoob ntiaj teb
- Kev ntseeg siab:Kev sim siab, ntawv pov thawj, thiab xa tawm -npaj rau cov neeg siv khoom B2B thoob ntiaj teb
Xaus
RauTS EN 10028-6 P690QL2 Siab Vessel Phajuas ua keTshwj xeeb lub zog, toughness, thiab weldability, GNEE yog koj lintseeg siab thoob ntiaj teb B2B tus neeg muag khoom.
Hu rau GNEE hnub no rau kev tsocai, technical datasheet, lossis kev sib tham txog qhov project, thiab xyuas kom meej tias koj cov hlab ntsha siab, boilers, thiab chemical units tau tsim nrogsiab -kev ua tau zoo P690QL2 steel phaj.
FAQ
Dab tsi txawv P690QL2 los ntawm P690QL1 hauv cov ntawv thov cryogenic?
Teb:
P690QL2 yog optimized raunruab nrab cryogenic kev pabnrog:
-40℃cuam tshuam toughness(vs -60℃rau P690QL1)
Txo cov ntsiab lus nickel(0.40-1.00% vs 0.50-1.20%)
25-30% kev txuag nqithaum tuav lub zog tseem ceeb
Kev kho cua sov yooj yim(ib lub voj voog tempering)
Soj ntsuam zausrau tsis yog - tseem ceeb thicknesses (<50mm)
Kev kho cua sov txawv li cas P690QL1?
Teb:
Hloov kho Q&T txheej txheem nta:
Tib -theem tempering(630-660℃× 3 teev)
Standard dej quenching(min{0}}℃/s txias tus nqi)
Txo austenitizing tuav lub sij hawm(30min / nti vs 45min)
yeem ua kom txias txiasrau thickness<80mm
Ua rau18-22% ntau lawmvs P690QL1
Cov txheej txheem vuam dab tsi raug pom zoo?
Teb:
Standard Vuam raws tu qauv:
Preheat: 225-275°C (for t>30 hli)
Cov khoom sivEN ISO 16834-AG (1) M21 6Ni2Mo
Kub Input1.0-2.0kJ / hli
Interpass TempKub: 230-270 degree
PWHT: 620-640℃× 2hrs + 30min/25mm
Kev sim: Impact ntawm-40 degree+ hardness Tsawg dua lossis sib npaug rau 320HV
Cov Lus Cim Tshwj Xeeb:
• Tsis xav tau butteringrau thickness<100mm
• Hydrogen tswj <3ml/100g deposit
• Macro- kev tshuaj xyuasyuav tsum tau rau thawj cov khoom siv vuam
Thaum twg engineers yuav tsum qhia P690QL2?
Teb:
Zoo tagnrho rau:
✔ LPG cia khoom(-40℃kev pabcuam)
✔ Industrial gas processing
✔ Tus nqi -sensitive cryogenic tej yaam num
✔ Thickness yog 15-120mm
Tsis pom zoo rau:
✖ LNG thawj tswj (-162 degree)
✖ Fractures -tseem ceeb tsim yuav tsum tau -60℃toughness
✖ Sour service yam tsis muaj NACE kuaj
Cim npe nrov: en10028-6 p690ql2 rau siab hlab ntsha phaj, Tuam Tshoj en10028-6 p690ql2 rau siab hlab ntsha phaj manufacturers, lwm tus neeg, Hoobkas
