Rau B2B cov neeg yuav khoom cov khoom siv rau boilers thiab cov hlab ntsha siab, qhov kev xaiv ntawmSA 387 Qib 11 Chav Kawm 1thiabSA 387 Qib 11 Chav Kawm 2tuaj yeem daunting. Ob leeg yog Cr-Mo alloy steels ua raws li ASME SA387 / SA387M cov qauv, tsim los rau siab -kev pabcuam kub-tab sis lawv qhov sib txawv me me hauv kev kho cua sov, cov khoom siv kho tshuab, thiab cov ntawv thov ua rau lawv haum rau cov kev ua haujlwm sib txawv. Kev xaiv chav kawm tsis raug tuaj yeem ua rau cov khoom siv tsis ua haujlwm, teeb meem kev ua raws cai, lossis cov nqi tsis tsim nyog. Phau ntawv qhia no rhuav tshem cov ntsiab lus tseem ceeb los pab koj txiav txim siab, ua raws li koj qhov project qhov kub, siab, thiab kev xav tau kev tsim khoom.
Nkag siab qhov sib txawv ntawm cov tub ntxhais kawm -Kev kho cua sov & Microstructure
Thawj qhov sib txawv ntawm SA 387 Qib 11 Chav Kawm 1 thiab Chav Kawm 2 yog nyob rau hauv lawv cov txheej txheem kho cua sov, uas hais txog microstructure thiab kev ua haujlwm:
SA 387 Qib 11 Chav Kawm 1
Ua kom zoo li qub (cua sov rau 900-950 degree, cua txias) kom ua tau zoo -grained ferrite-pearlite qauv. Qhov no ua kom zoo weldability, lub zog tsis sib xws, thiab tsim nyog rau cov ntawv thov kub kub (400-550 degree). Raws li ib tugkub dov alloy steel phaj, nws yog qhov zoo tagnrho rau cov khoom siv nrog cov duab sib txawv lossis cov vuam dav, xws li cov plhaub boiler thiab nruab nrab -siab reactors.
SA 387 Qib 11 Chav Kawm 2
Yuav tsum tau quenching thiab tempering (Q&T)- cua sov rau 900-950 degree, dej / roj quenching, ces tempering ntawm 620-700℃. Qhov no ua rau cov qauv tempered martensite, xa ntau zog, toughness, thiab creep resistance dua Class 1. Nws yog tsim los rau siab heev -kub (550-600 degree) thiab high-pressure (＞15MPa) ua hauj lwm tej yam kev mob, xws li superheater raj thiab high-pressure hydrogenation reactors.
Thaum muab piv rau lwm cov alloys,A302 Qib B kub dov boiler steel phaj(normalized nkaus xwb) ua kom zoo dua nrog SA 387 Qib 11 Chav Kawm 1 hauv kev kho cua sov-ob qho tib si tseem ceeb weldability rau nruab nrab - qhov kev pab kub. Txawm li cas los xij, SA 387 Qib 11 siab dua Cr-Mo cov ntsiab lus muab nws superior siab- kub ua haujlwm dhauA302 Qib B alloy steel phaj.
Match Mechanical Properties rau koj qhov kev ua haujlwm
Mechanical kev ua tau zoo yog lub hauv paus ncaj qha rau kev xaiv cov khoom siv. Hauv qab no yog ib sab -los ntawm- sab piv ntawm cov khoom tseem ceeb (rau cov phaj Tsawg dua lossis sib npaug li 50mm tuab) thiab lawv qhov cuam tshuam:
| Khoom | SA 387 Qib 11 Chav Kawm 1 | SA 387 Qib 11 Chav Kawm 2 | Kev txiav txim siab tseem ceeb rau cov neeg yuav khoom |
|---|---|---|---|
| Yield zog (Min MPa) | 310 | 415 | Chav Kawm 2's 34% siab dua tawm los lub zog haum rau ultra- siab- cov cuab yeej siv siab, txo phaj tuab thiab qhov hnyav. |
| Tensile zog (MPa) | 485-655 | 620-795 | Chav kawm 1 lub zog qis dua yog qhov txaus rau nruab nrab - siab (tsawg dua lossis sib npaug rau 15MPa) daim ntawv thov, nrog rau kev ua kom zoo dua qub. |
| Impact Toughness (Akv J, -20 degree) | Ntau dua lossis sib npaug li 47 | Ntau dua lossis sib npaug li 60 | Chav Kawm 2 qhov kev ua tau zoo tshaj plaws yog qhov tseem ceeb rau qis - kub pib / kaw lossis qhov xwm txheej dynamic load. |
| Hardness (HB) | 149-217 | 179-241 | Chav Kawm 2's hardness siab dua txhim kho kev hnav tsis kam tab sis yuav tsum muaj qhov sib txawv ntawm qhov sib txawv kom tsis txhob tawg. |
Piv txwv li, cov nroj tsuag tshuaj siv 12MPa, 500℃reactor tuaj yeem xaiv yam xyuam ximSA 387 Qib 11 Chav Kawm 1 siab lub nkoj steel phaj, sib npaug kev ua tau zoo thiab fabrication yooj yim. Ib lub zog cog 20MPa, 580℃superheater raj, txawm li cas los xij, xav tauSA 387 Qib 11 Chav Kawm 2 kub dov steel phajkom tiv taus kev ntxhov siab thiab kub.
Ntsuam xyuas Fabrication Requirements
Welding thiab forming xav tau ua lub luag haujlwm tseem ceeb hauv kev xaiv chav kawm:
SA 387 Qib 11 Chav Kawm 1: Nrog rau cov pa roj carbon sib npaug tsawg dua lossis sib npaug ntawm 0.42%, nws muaj qhov zoo tshaj plaws weldability. Nws tuaj yeem welded siv cov txheej txheem txheej txheem (SMAW, GMAW) nrog tsawg kawg nkaus preheating (80-120 degree), ua rau nws zoo tagnrho rau complex, welded lug xws li boiler nruas. Nws ductility (elongation Ntau dua lossis sib npaug li 22%) txhawb nqa txias khoov thiab sib sau tsis muaj tawg-zoo ib yam liA302 Qib B carbon steel phajtab sis nrog zoo siab -kub kev ua tau zoo.
SA 387 Qib 11 Chav Kawm 2: Nws cov hardness ntau dua thiab lub zog yuav tsum nruj dua vuam tswj: preheating rau 150-200 degree, qeeb qeeb qeeb, thiab tom qab-weld stress relief (PWSR) kom tsis txhob muaj hydrogen-induced cracking. Nws tsis haum rau kev sib sau ua ke tab sis ua tau zoo nyob rau hauv tuab -walled, high-pressure Cheebtsam uas lub zog yog qhov tseem ceeb.
Xav txog Kev Ua Raws Cai & Cov Qauv Txheej Txheem
Ob chav kawm ua tau raws li ASME SA387/SA387M cov qauv, tab sis Chav Kawm 2 feem ntau xav tau rau ASME Tshooj VIII Division 2 cov haujlwm (siab- cov hlab ntsha siab) vim nws lub zog siab dua - rau - qhov hnyav piv. Rau cov haujlwm hauv tsev siv cov qauv GB, Chav 1 hloov pauv tau nrog 15CrMoR hauv nruab nrab- qhov kub thiab txias ua haujlwm, thaum Chav Kawm 2 ua raws li 12Cr1MoVR rau ultra- siab- cov ntawv thov siab.
Yog tias koj qhov project cuam tshuam txog kev hla - ciam teb kev yuav khoom,SA 387 Qib 11 Chav Kawm 1 siab lub nkoj steel phajKev kho cua sov yooj yim dua thiab muaj ntau dua ua rau nws yooj yim dua rau qhov chaw thoob ntiaj teb, piv rau Chav 2 uas muaj kev tswj hwm nruj dua. Rau tej yaam num uas yuav tsum tau qis -kub resilience nrog rau kev kub siab, nco ntsoov tias tsis muaj qhov sib tw hauv chav kawmA302 Qib B uas tsis tshua muaj siab siab lub nkoj steel phaj's -20℃toughness-tab sis Chav Kawm 2 los ze dua nrog Akv Ntau dua lossis sib npaug rau 60J.
Tus nqi sib npaug & Ntev -Tsev Nqi
SA 387 Qib 11 Chav Kawm 2 raug nqi 15-20% ntau dua li Chav Kawm 1 vim nws Q&T kho cua sov. Txawm li cas los xij, rau ultra- siab- siab / kub ua haujlwm, Chav 2 txo TCO los ntawm 30-40% ntawm lub neej ua haujlwm ntev dua thiab cov qauv phaj nyias nyias. Rau nruab nrab- cov ntawv thov siab, Chav Kawm 1 muaj cov nqi zoo dua-kev them nyiaj ntau dua rau Chav Kawm 2 tsis muaj txiaj ntsig ua haujlwm.
Los ntawm kev ua raws li cov kauj ruam no, B2B cov neeg yuav khoom tuaj yeem ntseeg siab xaiv ntawm SA 387 Qib 11 Chav Kawm 1 thiab Chav Kawm 2, ua kom cov khoom siv nrog cov kev xav tau. Txawm hais tias koj tseem ceeb tshaj qhov weldability, lub zog loj, lossis tus nqi -kev ua tau zoo, phau ntawv qhia no ua kom koj xaiv txoj caikub dov alloy steel phajkom muaj kev nyab xeeb, ua raws, thiab tus nqi- ua haujlwm tau zoo.
Yog tias koj xav paub ntxiv txog GNEE cov khoom, koj tuaj yeem xa email raualloy@gneesteelgroup.com. Peb zoo siab tshaj los pab koj.
FAQ
Q: A387 Qib 11 yog dab tsi?
A: ASTM A387 specification yog Standard Specification rau Pressure Vessel Phaj, Alloy Steel, Chromium-Molybdenum npaj rau siv nyob rau hauv welded boilers thiab siab hlab ntsha tsim rau siab kub kev pab cuam.
Q: Dab tsi yog SA 387 GR 11 Cl 1 khoom sib npaug?
A: Sa 387 Gr 11 Cov khoom sib npaug
Nrog cov chromium, molybdenum, thiab cov ntsiab lus tshuaj zoo sib xws, Sa 387 Gr 11 Cl 1 Equivalent Materials BS 621B nthuav tawm cov khoom zoo ib yam.
Q: Dab tsi yog qhov kub thiab txias SA 387 GR 11?
A: Nyob rau hauv qis kawg ntawm qhov kub ntawm SA 387 Gr 11 (1150℃F min tempering kub), thiab SA 387 Gr 22 (1250℃F min tempering kub) yog siv. Cov qib no tuaj yeem teev nyob rau hauv chav kawm 1 lossis 2 thiab tseem tuaj yeem muab rau hauv Normalized & Tempered lossis Quenched thiab Tempered.
Q: Qhov txawv ntawm SA 387 GR 11 cl1 thiab cl2 yog dab tsi?
A: Qhov txawv ntawm SA 387 Qib 11 Chav Kawm 1 thiab Chav Kawm 2 Phaj nyob hauv lawv cov khoom siv tshuab. Txawm li cas los xij, lawv ob leeg muaj tib yam tshuaj muaj pes tsawg leeg. Lub zog tensile thiab lub zog ntawm cov khoom siv hauv chav kawm 2 yog siab dua li ntawm chav kawm 1, qhov elongation rau chav kawm 1 yog siab dua piv rau chav kawm 2.
Q: Cov khoom siv SA 387 Qib 11 yog dab tsi?
A: Muaj pes tsawg leeg: ASME SA387 Qib 11 feem ntau muaj txog 1% chromium thiab 0.5% molybdenum. Cov khoom xyaw no muab lub zog zoo thiab ua haujlwm rau oxidation ntawm qhov kub thiab txias. Mechanical Properties: Tawm Zog: Tsawg kawg ntawm 205 MPa (30,000 psi)
Q: Qhov txawv ntawm SA 387 Qib 11 CL 1 thiab Chav Kawm 2 yog dab tsi?
A: Cov Chemical Composition tseem zoo ib yam hauv Chav Kawm 1 thiab Chav Kawm 2 (Cl1 thiab Cl2) tab sis qhov sib txawv tsuas yog nyob rau hauv Cov Khoom Siv Hluav Taws Xob uas tau hais hauv qab rooj.
Q: SA 387 Qib 11 Chav Kawm 2 sib npaug li cas?
A: Sa 387 Gr 11 Equivalent Materials yog ASME SA387 hauv Asmeskas kev lag luam nrog European Union muaj cov qauv hauv qib 13CrMoSi5-5. Sa 387 Gr 11 Cl 2 Equivalent Materials yog SA387-11-2 ntawm ASME thiab ASTM tus qauv.
Q: Dab tsi yog qhov kub thiab txias SA 387 GR 11?
A: Nyob rau hauv qis kawg ntawm qhov kub ntawm SA 387 Gr 11 (1150℃F min tempering kub), thiab SA 387 Gr 22 (1250℃F min tempering kub) yog siv. Cov qib no tuaj yeem teev nyob rau hauv chav kawm 1 lossis 2 thiab tseem tuaj yeem muab rau hauv Normalized & Tempered lossis Quenched thiab Tempered.
Q: Cov tshuaj muaj pes tsawg leeg ntawm ASTM A387 Qib 11 Chav Kawm 2 yog dab tsi?
A: ASTM A387 GR 11 CL 2 Phaj yog tsim los nrog cov tshuaj muaj pes tsawg leeg xws li carbon, silicon, phosphorous, chromium, sulfur, molybdenum, thiab manganese. Alloy ASTM A387 yog tsim los nrog cov kev qhia tshwj xeeb xws li cov qauv sib txawv, ua tiav, hardness, daim ntawv, dav, thiab tuab.
Q: Qhov txawv ntawm SA 516 GR 70 thiab SA 387 GR 11 yog dab tsi?
A: Piv nrog rau cov pa roj carbon steel daim hlau, SA 387 Gr 11 daim hlau muab kev tiv thaiv corrosion thiab oxidation zoo dua thaum tuav lub zog tensile thiab yield zog. Piv nrog rau SA 516 Gr 70 daim hlau, SA 387 Gr 11 daim hlau muaj kev tiv thaiv zoo dua rau oxidation thiab corrosion, ua rau lawv xaiv zoo dua rau qhov kub siab - ib puag ncig.
| Qib Ntawm Lub Hwj Hwj Hwj Hwj Hwj Hwj Hwj Hwj Hwj Muab Los ntawm GNEE | |||||
| ASTM | ASTM A202/A202M | ASTM A202 Qib A | ASTM A202 Qib B | ||
| ASTM A203 / A203M ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / A203M / ASTM A203 / A203M / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / A203M / ASTM A203 / ASTM A203 / ASTM A203 / ASTM A203 / A203M) | ASTM A203 Qib A | ASTM A203 Qib B | ASTM A203 Qib D | ASTM A203 Qib E | |
| ASTM A203 Qib F | |||||
| ASTM A204 / A204M / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / ASTM A204 / A204M / ASTM A204 / ASTM A204 / ASTM A204 / A204M) | ASTM A204 Qib A | ASTM A204 Qib B | ASTM A204 Qib C | ||
| ASTM A285/A285M | ASTM A285 Qib A | ASTM A285 Qib B | ASTM A285 Qib C | ||
| ASTM A299 / A299M ASTM | ASTM A299 Qib A | ASTM A299 Qib B | |||
| ASTM A302/A302M | ASTM A302 Qib A | ASTM A302 Qib B | ASTM A302 Qib C | ASTM A302 Qib D | |
| ASTM A387 / A387M ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / A387M / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387 / ASTM A387) thiab ASTM A387 | ASTM A387 Qib 5 Qib 1 | ASTM A387 Qib 5 Qib 2 | ASTM A387 Qib 11 Chav Kawm 1 | ASTM A387 Qib 11 Chav Kawm 2 | |
| ASTM A387 Qib 12 Chav Kawm 1 | ASTM A387 Qib 12 Chav Kawm 2 | ASTM A387 Qib 22 Chav Kawm 1 | ASTM A387 Qib 22 Chav Kawm 2 | ||
| ASTM A515/A515M | ASTM A515 Qib 60 | ASTM A515 Qib 65 | ASTM A515 Qib 70 | ||
| ASTM A516/A516M | ASTM A516 Qib 55 | ASTM A516 Qib 60 | ASTM A516 Qib 65 | ASTM A516 Qib 70 | |
| ASTM A517 / A517M / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / A517M / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / A517M / ASTM A517 / ASTM A517 / ASTM A517 / ASTM A517 / A517M) thiab ASTM A517 | ASTM A517 Qib A | ASTM A517 Qib B | ASTM A517 Qib E | ASTM A517 Qib F | |
| ASTM A517 Qib P | ASTM A517 Qib J | ||||
| ASTM A533 / A533M / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533 / ASTM A533) lossis A533M | ASTM A533 Qib A Class1 | ASTM A533 Qib B Class1 | ASTM A533 Qib C Class1 | ASTM A533 Qib D Class1 | |
| ASTM A533 Qib A Class2 | ASTM A533 Qib B Class2 | ASTM A533 Qib C Class2 | ASTM A533 Qib D Class2 | ||
| ASTM A533 Qib A Class3 | ASTM A533 Qib B Class3 | ASTM A533 Qib C Class3 | ASTM A533 Qib D Class3 | ||
| ASTM A537 / A537M Kev Cai | ASTM A537 Qib 1 | ASTM A537 Qib 2 | ASTM A537 Qib 3 | ||
| ASTM A612/A612M | ASTM A612 Cov Lus Qhia Tshwj Xeeb | ||||
| ASTM A662/A662M | ASTM A662 Qib A | ASTM A662 Qib B | ASTM A662 Qib C | ||
| EN | TS EN 10028-2 | TS EN 10028-2 P235GH | TS EN 10028-2 P265GH | TS EN 10028-2 P295GH | TS EN 10028-2 P355GH |
| EN10028-2 16MO3 | |||||
| TS EN 10028-3 | TS EN 10028-3 P275N | TS EN 10028-3 P275NH | EN10028-3 P275NL1 | EN10028-3 P275NL2 | |
| TS EN 10028-3 P355N | TS EN 10028-3 P355NH | EN10028-3 P355NL1 | EN10028-3 P355NL2 | ||
| TS EN 10028-3 P460N | TS EN 10028-3 P460NH | EN10028-3 P460NL1 | EN10028-3 P460NL2 | ||
| TS EN 10028-5 | TS EN 10028-5 P355M | EN10028-5 P355ML1 | EN10028-5 P355ML2 | TS EN 10028-5 P420M | |
| EN10028-5 P420ML1 | EN10028-5 P420ML2 | TS EN 10028-5 P460M | EN10028-5 P460ML1 | ||
| EN10028-5 P460ML2 | |||||
| TS EN 10028-6 | TS EN 10028-6 P355Q | TS EN 10028-6 P460Q | TS EN 10028-6 P500Q | TS EN 10028-6 P690Q | |
| TS EN 10028-6 P355QH | TS EN 10028-6 P460QH | TS EN 10028-6 P500QH | TS EN 10028-6 P690QH | ||
| EN10028-6 P355QL1 | EN10028-6 P460QL1 | EN10028-6 P500QL1 | EN10028-6 P690QL1 | ||
| EN10028-6 P355QL2 | EN10028-6 P460QL2 | EN10028-6 P500QL2 | EN10028-6 P690QL2 | ||
| JIS | JIS G3115 | JIS G3115 SPV235 | JIS G3115 SPV315 | JIS G3115 SPV355 | JIS G3115 SPV410 |
| JIS G3115 SPV450 | JIS G3115 SPV490 | ||||
| JIS G3103 | JIS G3103 SB410 | JIS G3103 SB450 | JIS G3103 SB480 | JIS G3103 SB450M | |
| JIS G3103 SB480M | |||||
| GB | GB713 | GB713 Q245R | GB713 Q345R | GB713 Q370R | GB713 12Cr1MoVR |
| GB713 12Cr2Mo1R | GB713 13MnNiMoR | GB713 14Cr1MoR | GB713 15CrMoR | ||
| GB713 18MnMoNbR | |||||
| GB3531 | GB3531 09MnNiDR | GB3531 15MnNiDR | GB3531 16MnDR | ||
| DIN | TIAB SA 17155 | DIN 17155 TSI | DIN 17155 HII | DIN 17155 10CrMo910 | DIN 17155 13CrMo44 |
| DIN 17155 15Mo3 | DIN 17155 17Mn4 | DIN 17155 19Mn6 | |||
