Txheej txheem cej luam
SA387Gr91CL2 kub- dov steel phajyog hom high- alloy heat-resistant steel tsim rau siv nyob rau hauv siab - kub thiab siab - ib puag ncig siab. Nws ua raws li ASTM A387 / A387M tus qauv thiab tau siv dav hauv cov hlab ntsha siab, boilers, thiab cov kav dej hauv cov roj av, tshuaj, thiab hluav taws xob kev lag luam. Nws cov khoom siv zoo heev thiab kev tiv thaiv corrosion ua rau nws yog cov khoom siv zoo tshaj plaws rau kev thov siab -kev siv kub.
Tshuaj muaj pes tsawg leeg
Cov tshuaj muaj pes tsawg leeg ntawm SA387Gr91CL2 kub- dov phaj feem ntau suav nrog:
- Cov pa roj carbon (C):Tsawg dua lossis sib npaug li 0.12%
- Manganese (Mn): 0.90% – 1.30%
- Silicon (Si): 0.50% – 0.80%
- Chromium (Cr): 8.00% – 9.50%
- Molybdenum (Molybdenum): 0.85% – 1.20%
- Nickel (Ni):Tsawg dua lossis sib npaug li 0.30%
- Phosphorus (P):Tsawg dua lossis sib npaug li 0.025%
- Sulfur (S):Tsawg dua lossis sib npaug li 0.025%
Lub siab chromium thiab molybdenum cov ntsiab lus muab zoo heev -kub tsis kam thiab corrosion kuj.
Mechanical Properties
SA387Gr91CL2 siab lub nkoj phaj nthuav tawm cov kev ua tau zoo nyob rau hauv qhov kub siab. Nws cov khoom tseem ceeb mechanical muaj xws li:
Yield zog:Ntau dua lossis sib npaug li 275 MPa
Tensile zog:Ntau dua lossis sib npaug li 485 MPa
Elongation:Ntau dua lossis sib npaug li 20% ( ntsuas ntawm 50 mm qauv)
Impact Toughness:Feem ntau Ntau dua lossis sib npaug rau 27J ntawm -40 degree
Cov khoom no xyuas kom meej tias SA387Gr91CL2 tswj cov qauv kev ruaj ntseg txawm tias nyob rau hauv siab - qhov kub thiab txias - siab.
Daim ntawv thov
SA387Gr91CL2 kub- dov steel phaj feem ntau yog siv hauv kev lag luam hauv qab no:
- Petrochemical Kev Lag Luam:Rau reactors, kab, tshav kub exchangers, thiab lwm yam khoom siv nyob rau hauv cov roj refining thiab tshuaj nroj tsuag.
- Kev lag luam fais fab:Siv rau hauv boilers, piping, thiab lwm yam siab - kub, siab - cov khoom siv fais fab nroj tsuag.
- Shipbuilding:Siv nyob rau hauv siab -kub tshuab ntawm nkoj.
- Nuclear Zog:Haum rau qee qhov siab - qhov kub thiab txias hauv cov chaw nres tsheb nuclear.
Weldability
SA387Gr91CL2 siab lub nkoj phaj muaj qhov zoo weldability, tab sis vim nws cov ntsiab lus chromium thiab molybdenum siab, yuav tsum tau saib xyuas tshwj xeeb thaum vuam:
- Kev npaj nto:Xyuas kom qhov chaw huv si thiab tsis muaj roj, xeb, thiab lwm yam kab mob.
Filler Khoom:Siv cov khoom siv hluav taws xob lossis cov xov hlau uas muaj cov khoom sib txuam los yog ze rau lub hauv paus hlau.
Vuam txheej txheem:Gas Metal Arc Vuam (GMAW) los yog Gas Tungsten Arc Vuam (GTAW) raug pom zoo, nrog kev tswj cov cua sov kom tsis txhob kub tawg.
Tshaj tawm -Weld Heat Treatment (PWHT):Ua los txo cov kev ntxhov siab seem thiab txhim kho kev ua haujlwm vuam.
Kev kho cua sov
SA387Gr91CL2 kub- dov steel phaj feem ntau xav tau kev kho cua sov kom zoo rau cov khoom siv kho tshuab. Normalizing thiab tempering yog feem ntau txoj kev. Kev kho cua sov pab txhim kho lub zog, tawv, thiab hnav tsis kam, ua kom ruaj khov nyob rau hauv siab - qhov kub thiab txias kev pabcuam.
Kev khaws cia thiab kev thauj mus los
Kev ceev faj thaum khaws cia thiab kev thauj mus los ntawm SA387Gr91CL2 steel daim hlau suav nrog:
- Moisture thiab xeb tiv thaiv:Khaws rau hauv qhov chaw qhuav kom tsis txhob muaj corrosion.
- Kev tiv thaiv kev sib tsoo:Tiv thaiv kev cuam tshuam thiab kev sib txhuam ntawm daim hlau kom tsis txhob khawb qhov chaw.
- Kev Txhaum Cai Zoo:Cov phaj yuav tsum tau muab sib npaug sib npaug los tiv thaiv deformation.
Xaus
Nrog nws zoo heev -kub kev ua tau zoo thiab corrosion kuj, SA387Gr91CL2 siab nkoj steel phaj yog ib yam khoom tseem ceeb rau siab - kub thiab siab - kev siv siab. To taub nws cov tshuaj muaj pes tsawg leeg, txhua yam khoom, weldability, thiab cov txheej txheem kev kho cua sov yog qhov tseem ceeb rau cov engineers thiab cov kws tshaj lij hauv kev xaiv cov khoom siv thiab tsim engineering. Raws li kev lag luam thev naus laus zis ua ntej, SA387Gr91CL2 yuav pom txawm tias siv dav dua, nrog kev txhim kho txuas ntxiv hauv nws qhov kev ua tau zoo.
Nyem kom tau txais cov qauv dawb
FAQ
Q: Cov khoom siv SA 387 yog dab tsi?
A: Lub siab zoo chrome molybdenum alloy steel phaj npaj tshwj xeeb rau kev siv hauv weldable carbon steel siab hlab ntsha ntawm qhov kub siab. Ntxiv molybdenum muab cov khoom siv kub tensile zog thiab chromium muab kev txhim kho corrosion.
Q: SA387 qib 11 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: Qhov txawv ntawm SA387 Qib 11 Chav Kawm 1 thiab Chav Kawm 2 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: Dab tsi yog qhov ntsuas kub rau 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 khoom siv SA 387 GR 9 yog dab tsi?
A: SA 387 GR 9 yog ib qho chromium-molybdenum alloy steel dav siv nyob rau hauv siab- kev siv kub xws li cov hlab ntsha siab thiab cov cuab yeej tsim hluav taws xob thiab nws muab kev tiv thaiv zoo rau oxidation thiab nkag mus, ua rau nws zoo tagnrho rau lub sijhawm ntev - kev pabcuam ntawm qhov kub siab.
Q: Cov tshuaj muaj pes tsawg leeg ntawm SA 387 GR 22 yog dab tsi?
A: 22 CL. 2 phaj tshuaj muaj pes tsawg leeg suav nrog Chromium (Cr) 2%, Molybdenum (Mo) 1%, Manganese (Mn) 0.5%, Silicon (Si) 0.5%, Phosphorus (P) 0.03%, Sulfur (S) 0.03%, thiab Carbon (C) 0.1%.
Q: Cov khoom sib npaug ntawm SA 387 GR 12 yog dab tsi?
A: Sa 387 Gr 12 Cov khoom sib npaug tuaj yeem muab faib ua Asme SA 387 rau Asmeskas, rau European Union, qib sib npaug rau cov khoom siv no yog EN 13CrMo4-5. Hauv lub teb chaws Yelemees thiab Askiv, cov qib sib npaug yog DIN 13CRM044 thiab BS 620B, feem. Ntxiv rau qhov no, qib sib npaug rau Fabkis yog AFNOR 36206 15CD2.
Q: A387 Qib 5 yog dab tsi?
A: Lwm Cov Qauv. Lwm cov npe uas sib npaug rau AISI A387 qib 5-PVQ alloy steel suav nrog cov hauv qab no: ASME SA387 (5) ASTM A314 (502)
Q: Cov khoom siv SA 387 GR 5 yog dab tsi?
A: chrome molybdenum alloy steel phaj
SA387 GR 5 CLASS 2
Lub siab zoo chrome molybdenum alloy steel phaj npaj tshwj xeeb rau kev siv hauv weldable carbon steel siab hlab ntsha ntawm qhov kub siab. Ntxiv molybdenum muab cov khoom siv kub tensile zog thiab chromium muab kev txhim kho corrosion.
Ntxiv rau A387 / SA387, peb muaj ntau txoj kev xaiv ntawm steel daim hlau teev nyob rau hauv cov lus hauv qab no uas ua tau raws li qhov yuav tsum tau ua: siab-lub zog qis- alloy phaj rau cov tshuab hnyav, hnav- daim hlau tiv taus rau cov khoom yaig, huab cua- cov paib tiv taus rau cov huab cua nyuaj, thiab cov txheej txheem marineships. Yog tias koj muaj kev xav tau tshwj xeeb, thov hu rau peb, thiab peb yuav muab cov lus pom zoo.
Email: info@gneesteels.com
| Lwm cov hlau phaj | ||||
| Lub npe | Khoom siv | Specification (hli) | Tos | Lus ceeb toom |
| 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 |
