ASME SA387 Qib 5 Chav Kawm 1 Siab Vessel Steel Phaj
Alloy steel SA 387 GR. 5 CL. 1/ 2 sawv cev rau hom tshwj xeeb ntawm chrome molybdenum steel phaj meticulously tsim los rau kev xa mus rau hauv cov hlab ntsha steel siab uas ua rau kub siab thiab qhov chaw nyuaj. Cov tub ntxhais muaj pes tsawg leeg ntawm no alloy steel integrates molybdenum, conferring exceptional tensile zog rau lub hauv paus hlau thiab muab nws nrog qhuas kuj tiv thaiv corrosion.
ASME SA387 tus qauv npog cov khoom ntawm weldable chrome molybdenum alloy steel daim hlau npaj siv rau hauv cov hlab ntsha siab thiab cov boilers muaj kev ua haujlwm ntawm qhov kub siab. Lub tswv yim infusion ntawm molybdenum thiab chromium rau hauv cov phiaj no ua rau muaj kev txhim kho dual: chromium muab kev tiv thaiv corrosion thiab oxidation zoo heev, thaum molybdenum imparts tensile zog thiab tsis kam mus creep. Qhov kev sib koom ua ke no ua rau cov phiaj xwm tsis tseem ceeb rau cov neeg tsim khoom hauv ntiaj teb, uas feem ntau muab rau cov roj, roj, thiab petrochemical kev lag luam rau kev siv xws li cov hlab ntsha, cov khoom siv hluav taws xob, thiab cov yeeb nkab ua haujlwm.
Alloy steel SA 387 GR. 5 CL. 1/2 yog siab- zoo sib txawv ntawm no chromium-molybdenum steel, meticulously tsim rau ib puag ncig xav tau kev ua tau zoo nyob rau hauv siab thermal stress. Cov ntsiab lus tseem ceeb feem ntau suav nrog4.00% rau 6.00% Chromiumthiab0.45% rau 0.65% Molybdenum. Txhawm rau kom ntseeg tau qhov siab tshaj plaws, cov khoom siv raw siv rau kev tsim khoom tau zoo- kuaj thiab tshuaj xyuas los ntawm cov kws tshaj lij, uas muab cov neeg siv khoom nrog cov ntawv pov thawj raw khoom (MTC).
Cov yam ntxwv tseem ceeb:
Hom khoom: Chromium-Molybdenum (Cr-Mo) Alloy Steel.
Daim ntawv thov: High-kub, siab-siab welded boilers thiab siab hlab ntsha.
Cov ntsiab lus tseem ceeb: Kwv yees li 5% Chromium thiab 0.5% Molybdenum.
Cov txiaj ntsig: Zoo oxidation tsis kam, txhim kho corrosion kuj, zoo heev - kub tensile zog, thiab kuj rau embrittlement thaum lub sij hawm thermal cycling.
Kev lag luam: Petrochemical, tshuaj, hluav taws xob tsim, roj & roj, chiv, thiab pulp & ntawv.
Koj puas tuaj yeem muab cov ncauj lus kom ntxaws txog cov kab ke rau ASME SA387 Qib 5 Chav Kawm 1?
ASME SA387 Qib 5 Chav Kawm 1 yog chromium-molybdenum alloy hlau rau cov hlab ntsha siab, txhais los ntawm nws cov ntsiab lus tseem ceeb: nyob ib ncig ntawm 4.0-6.0% Chromium (Cr) thiab 0.45-0.65% Molybdenum (Mo), nrog Carbon (C) max 0.15%, Silicon Manganese (0.15%). (Si) max 0.50%, Phosphorus (P) max 0.035%, thiab Sulfur (S) max 0.030%. "Cov ntsiab lus" nyob rau hauv cov ntsiab lus no hais txog cov seem seem ntawm lwm cov ntsiab lus xws li P, S, thiab Si, uas tau tswj xyuas kom muaj kev sib tw thiab kev ua haujlwm kub, nrog rau Chav Kawm 1 qhia tias lub zog tensile qis dua tab sis zoo dua toughness piv rau Chav Kawm 2.
ASME SA387 Qib 5 Chav Kawm 1 yog dab tsi?
ASME SA387 Qib 5 Chav Kawm 1 yog chromium-molybdenum alloy steel rau siab- cov hlab ntsha kub siab, muaj kwv yees li5% Chromium (Cr)thiab0.5% Molybdenum (Mo), nrog rau kev txwv tshwj xeeb ntawm Carbon (C), Manganese (Mn), Phosphorus (P), Sulfur (S), thiab Silicon (Si) los muab lub zog siab, corrosion resistance, thiab weldability ntawm qhov kub siab.
Koj puas ua Simulated Post-Weld Heat Treatment (S-PWHT) ntawm ASME SA387 Qib 5 Chav Kawm 1? Yog tias muaj, lub sijhawm soaking thiab kub yog dab tsi?
Yog lawm, Simulated Post-Weld Heat Treatment (S-PWHT) yog ua los ntawm ASME SA387 Qib 5 Chav Kawm 1 (a Cr-Mo steel) los txo cov kev ntxhov siab, tab sis cov sij hawm tshwj xeeb / temps nyob ntawm qhov tuab thiab cov cai (ASME Seem VIII, Div 1) feem ntau, feem ntau yog 10℃F15 (620-675 degree) rau 1 teev ib nti ntawm tuab (min 1 hr), tswj cov cua sov / cua txias, thiab xyuas kom muaj qhov sib txawv ntawm qhov kub thiab txias, nrog S-PWHT feem ntau siv hauv Cov Txheej Txheem Cov Ntaub Ntawv Cov Ntaub Ntawv (PQR) kom ua raws li lub nkoj tiag tiag PWHT rau kev ntsuas cov vuam.
Sib npaug
| BS | EN | ASME | DIN |
| ... | ... | SA387-5-1 | ... |
Specifications ASME SA387 Qib 5 Alloy Steel Phaj
| Lub npe | Nominal Chromium Cov ntsiab lus (%) |
Nominal Molybdenum Cov ntsiab lus (%) |
| SA387 Qib 5 | 5.00% | 0.50% |
Tensile Requirements rau ASME SA387 Qib 5 Alloy Steel Phaj Chav Kawm 1 Phaj
| Lub npe: | Yuav tsum tau: | Qib 5 |
|
SA387 Qib 5 |
Tensile zog, ksi [MPA] | 75 txog 100 [515 rau 690] |
| Yield zog, min, ksi [MPa] / (0.2% offset) | 45 [310] | |
| Elongation hauv 8 nti. [200mm], min % | ... | |
| Elongation hauv 2 nti. [50mm], min, % | 18 | |
| Txo thaj tsam, min% | 45 ( ntsuas ntawm cov qauv puag ncig) 40 ( ntsuas ntawm cov qauv tiaj tus) |
Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 5 Alloy Steel Phaj
| Element | Chemical Composition (%) | |
| SA 387 Qib 5 | ||
| Cov pa roj carbon: | Kev Ntsuas Kub: | 0.15 max |
| Product Analysis: | 0.15 max | |
| Manganese: | Kev Ntsuas Kub: | 0.30 - 0.60 |
| Product Analysis: | 0.25 - 0.66 | |
| Phosphorus: | Kev Ntsuas Kub: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulfur (max): | Kev Ntsuas Kub: | 0.030 |
| Product Analysis: | 0.030 | |
| Silicon: | Kev Ntsuas Kub: | 0.50 max |
| Product Analysis: | 0.55 max | |
| Chromium: | Kev Ntsuas Kub: | 4.00 - 6.00 |
| Product Analysis: | 3.90 - 6.10 | |
| Molybdenum: | Kev Ntsuas Kub: | 0.45 - 0.65 |
| Product Analysis: | 0.40 - 0.70 |
1 Dab tsi yog ASME SA387 Qib 5 Class1 khoom?
ASME SA387 Qib 5 Chav Kawm 1 yog achromium-molybdenum (Cr-Mo) alloy steel phajtsim rauweldable siab hlab ntsha thiab boilers ua haujlwm ntawm qhov kub siab, muab zoo zog thiab corrosion kuj, nrogChav Kawm 1 qhia txog lub zog tensile qis thiab zoo dua weldability / toughnesspiv rau Chav Kawm 2, feem ntau yog vim nws ~ 5% Chromium thiab ~ 0.5% Molybdenum cov ntsiab lus, ua rau nws zoo tagnrho rau siab -temp industrial applications.
2 ASME SA387 Qib 5 Class1 sib npaug li cas?
ASME SA387 Qib 5 Chav Kawm 1 yog chromium -molybdenum alloy steel rau cov hlab ntsha siab, nrog rau nws thawj qhov sib npaug thoob ntiaj teb yog European tus qauvEN X12CrMo5, kuj tau teev nyob rau hauv ASTM A387, muab qhov zoo siab - kub lub zog thiab corrosion kuj vim nws cov ntsiab lus chromium thiab molybdenum.
3 Dab tsi yog qhov zoo ntawm ASME SA387 Qib 5 Chav Kawm 1?
ASME SA387 Qib 5 Chav Kawm 1 muaj qhov zoo tshaj plaws ntawmzoo heev - kub lub zog, superior corrosion / oxidation tsis kam (vim chromium / molybdenum), zoo weldability, thiab txhim kho toughness, ua kom nws zoo tagnrho rau kev xav tau lub nkoj siab thiab boiler daim ntawv thov hauv roj & roj, lub zog, thiab kev ua tshuaj lom neeg qhov chaw thermal stability thiab durability nyob rau hauv hnyav tej yam kev mob tseem ceeb heev. Nws txoj kev ntseeg tau txhais kom txo tau ntev - cov nqi tu thiab txhim kho cov txheej txheem kev nyab xeeb.
4 Dab tsi yog qhov txawv ntawm ASME SA387 Qib 5 Chav Kawm 1 thiab ASME SA387 Qib 11 Chav Kawm 1?
ASME SA387 Qib 5 Chav Kawm 1 thiab Qib 11 Chav Kawm 1 yog ob qho tib si Cr-Mo alloy steels rau siab-kub siab cov hlab ntsha, tab sis txawv qhov txawv ntawm lawv.alloying ntsiab, tshwj xeebchromium thiab molybdenum cov ntsiab lus, ua kom muaj zog sib txawv thiab kev siv, nrog Qib 5 muaj ~ 5% Cr / ~ 0.5% Mo thiab Qib 11 muaj ~ 1% Cr / ~ 0.5% Mo, ua rau Qib 11 feem ntau siv rau qhov kev pabcuam kub me ntsis lossis qhov twg yuav tsum muaj corrosion tsawg dua li Qib 5. Chav Kawm 1 qhia txog qhovqistensile lub zog rau nws cov qib sib piv rau Chav Kawm 2.
5 Dab tsi yog daim ntawv thov kev lag luam ASME rau SA387 Qib 5 Chav Kawm 1?
ASME SA387 Qib 5 Chav Kawm 1 daim hlau yog siv nyob rau hauv siab -kub, corrosive ib puag ncig, feem ntau raucov hlab ntsha, boilers, kub exchangers, thiab pipinghauvroj & roj, petrochemical, thiab fais fab kev lag luam, ua tsaug rau lawv cov ntsiab lus chromium thiab molybdenum, muab lub zog thiab kev tiv thaiv corrosion rau cov ntawv thov xws li kev pabcuam qaub.
6 Dab tsi yuav tsum tau ceev faj thaum vuam rau ASME SA387 Qib 5 Chav Kawm 1?
Thaum vuam ASME SA387 Qib 5 Chav Kawm 1 (ib chromium-molybdenum steel), cov kev ceev faj tseem ceeb suav nrog kev ua kom zoontxuav, qhov tseem ceebpreheating(feem ntau yog 150-250 degree) txhawm rau tiv thaiv kev tawg, siv tsawg- hydrogen consumables (xws li E8018-B2), tswj cov cua sov input, xyuas kom haum haum haum, thiab ib txwm hnav zoo PPE rau fume thiab hluav taws xob tiv thaiv. Kev ua raws li cov txheej txheem vuam tshwj xeeb (WPS) yog qhov tseem ceeb, vim tias cov khoom no muaj kev cuam tshuam rau hydrogen-induced cracking thiab yuav tsum tau ceev faj tswj ntawm thermal cycles.
7 Dab tsi yog Cov Kev Xeem Xeem Rau ASME SA387 Qib 5 Chav Kawm 1?
ASME SA387 Qib 5 Chav Kawm 1 yuav tsum tau kuaj xyuas kom meej, suav nrogtshuaj ntsuam xyuas(rau Cr 4.0-6.0%, Mo, Si),mechanical xeem(lub zog tensile 415-585 MPa, yield zog Ntau dua lossis sib npaug rau 205 MPa, elongation Ntau dua lossis sib npaug li 18% hauv 50mm), thiabKev kho cua sov(feem ntau furnace normalized). Ntxivkev ntsuam xyuas cuam tshuam(Charpy) thiabtsis yog -kev kuaj xyuas kev puas tsuaj (NDE)zoo li kev kuaj ultrasonic (UT) yog cov kev xav tau ntxiv, feem ntau teev los ntawm tus neeg yuav khoom rau siab -kub siab ntawm cov hlab ntsha.
Yog tias koj xav paub ntxiv txog ASME SA387 Qib 5 Chav Kawm 1 GNEE cov khoom, koj tuaj yeem xa email rau info@gneesteels.com. Peb zoo siab tshaj los pab koj.
