Qhov sib npaug ntawm ASTM a516 GR 65 yog dab tsi?
ASTM A515 Qib 65yog cov pa roj carbon steel phaj siv rau nruab nrab thiab siab -kev pabcuam kub hauv cov welded boilers thiab cov hlab ntsha siab. Nws qhov tseem ceeb sib npaug yogASME SA515 Qib 65. Lwm qhov sib npaug thoob ntiaj teb suav nrog European tus qauvP295 HWM(feem ntau suav nrog A516/A515 Gr 65) thiab qib GermanWb St E 315.
ASTM A515 Qib 65 yog acarbon-manganese steel phajtsim raunruab nrab- siab boiler thiab siab nkoj siv. Nws muajzoo weldability, txaus tensile thiab yield zog, thiab cuam tshuam toughness, ua rau nws ib qho kev xaiv txhim khu kev qha rauindustrial cov nroj tsuag thiab cov khoom siv hluav taws xob tsim hluav taws xob.
Cov yam ntxwv tseem ceeb:
Tawm Zog: 245-300 MPa
Tensile zog: 415-520 MPa
Elongation Ntau dua lossis sib npaug li 21%
Impact toughness kuaj ntawm -20 degree
Weldability zoo heev; qis carbon sib npaug
Haum rau kev txiav, dov, thiab machining
Qib Qib:
Qib 65 qhia txog aTsawg tensile zog ntawm ~ 65 ksi (~ 450 MPa). Nws yog me ntsis qis dua Qib 70 tab sis tseem sib ntsibASTM siab lub nkoj xav tau, sib npaugkev ua haujlwm thiab tus nqi.
Kev sib piv: ASTM A515 Qib 65 vs Q345R
Lub zog:Q345R muaj zog yield zog (Ntau dua los yog sib npaug rau 345 MPa) dua A515 Qib 65 (245-300 MPa nyob ntawm thickness).
Toughness:A515 Qib 65 kuaj ntawm -20 degree; haum rau nruab nrab qhov kub thiab txias.
Weldability:Q345R yooj yim dua rau vuam vim qis carbon sib npaug.
Txheem:Q345R yog GB txuj; A515 Qib 65 yog ASTM / US tus qauv.
Kev siv ntau:
Chav boilers thiab tshav kub exchangers
Nruab nrab - cia siab thiab txheej txheem tso tsheb hlau luam
Industrial siab hlab ntsha hauvfais fab thiab tshuaj industries
Dab tsi yog kev lag luam feem ntau siv A515 Qib 65?
ASTM A515 Qib 65 yog siv rau hauvKev tsim hluav taws xob, kev ua tshuaj lom neeg, cov nroj tsuag petrochemical, thiab kev siv dav dav. Cov cuab yeej siv xws lichav boilers, nruab nrab- cov hlab ntsha siab, cov khoom siv hluav taws xob sib hloov, thiab cov tank cia. Nws kev sib xyaw ua ke ntawmmechanical zog, ductility, thiab weldabilityua kom muaj kev nyab xeeb kev ua haujlwm raws li cov qauv kev lag luam thiab cov kub nruab nrab.
Lub zog tensile ntawm A515 Qib 65 yog dab tsi?
Lub zog tensile yog los ntawm415-520 MPa, muab kev tiv thaiv txaus rausab hauv siab thiab kev ntxhov siabnyob rau hauv boilers, tank, thiab tshav kub exchangers. Nws kev sib xyaw ua ke ntawmlub zog thiab ductilityua kom muaj kev nyab xeeb fabrication thiab txhim khu kev qha ntev - lub sijhawm ua haujlwm hauv cov qauv kev lag luam. Tsim kom muaj kev ruaj ntsegstructural integrity nyob rau hauv nruab nrab - kev pabcuam siab.
A515 Qib 65 puas tuaj yeem siv rau cov ntawv thov cryogenic?
Tsis yog, nws yogtsis haum rau qhov kub thiab txias heev. Rau kev pabcuam cryogenic, steels nyiamA516 Qib 70muab qhov kub zoo dua -cuam tshuam toughness thiab ductility. A515 Qib 65 yog tsim nyog rauNruab nrab qis kub (-20 degree), ua rau nws tsim nyog rau cov qauv kev lag luam boilers, cov hlab ntsha siab, thiab cov tso tsheb hlau luam, tab sis tsis yog rau cov ntawv thov uas xav tau huab cua txias.
ASTM A515 GR 65 Chemical Composition (Cov Khoom thiab Ladle Analysis)
|
Element |
Product Analysis Max (%) |
Ladle Analysis Max (%) |
|---|---|---|
|
Cov pa roj carbon (C) |
0.28-0.33 |
0.28-0.33 |
|
Manganese (Mn) |
0.98 |
0.90 |
|
Phosphorus (P) |
0.035 |
0.035 |
|
Sulfur (S) |
0.035 |
0.035 |
|
Silicon (Si) |
0.13-0.45 |
0.15-0.40 |
Carbon sib npaug (Ceq):
Cov pa roj carbon sib npaug yog suav nrog cov qauv:
Ceq=[C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15]%.
Mechanical Properties ntawm ASTM A515 Qib 65
|
Thickness (hli) |
Yield zog (Min Mpa) |
Tensile zog (Mpa) |
Elongation (Min%) |
|---|---|---|---|
|
Tsawg dua los yog sib npaug li 200 |
240 |
450-585 |
19 |
|
Tsawg dua los yog sib npaug li 50 |
240 |
450-585 |
23 |
1. Hom kev vuam twg raug pom zoo?
ASTM A515 Qib 65 tuaj yeem welded sivSMAW, GMAW, and FCAW. Cov phaj tuab yuav xav taupreheatingtxhawm rau tiv thaiv kev tawg thiab ua kom muaj zog. Cov txheej txheem vuam kom raug thiab kev xaiv cov khoom muab tub lim kom paub meejstructural kev ncaj ncees thiab kev nyab xeeb. Kev txawj welding yog qhov tseem ceeb rauCov hlab ntsha siab, boilers, thiab cov tso tsheb hlau luam, lav kev ua haujlwm ntev -lub sijhawm ua haujlwm nyob rau hauv nruab nrab siab thiab kub kub.
2. Yuav ua li cas thickness cuam tshuam rau txhua yam khoom?
Mechanical zog sib txawv me ntsis nrogphaj thickness. Cov phaj tuab yuav muajme ntsis qis tawm los yog tensile zog, thiab preheating yog pom zoo thaum lub sij hawm vuam los tiv thaiv cracking. Txawm hais tias cov kev hloov pauv no, ASTM A515 Qib 65 tswj hwmmuaj zog txaus, toughness, thiab ductility, ua kom haum rauindustrial boilers, tanks, thiab siab hlab ntshakev khiav hauj lwm nyob rau hauv nruab nrab siab.
3. ASTM A515 Qib 65 yog dab tsi?
ASTM A515 Qib 65 yog aqis- alloy carbon steel phajdav siv raumuaj boilers, siab hlab ntsha, thiab nruab nrab - siab tanks. Nws muabnruab nrab tensile lub zog, ductility, thiab zoo heev weldability, haum rau cov kev pabcuam kev lag luam. Cov hlau feem ntau yog siv rau hauvkev tsim hluav taws xob, petrochemical, thiab cov nroj tsuag tshuaj, ua kom muaj kev nyab xeeb ua haujlwm nyob rau hauv nruab nrab qhov kub thiab txias.
4. A515 Qib 65 puas tuaj yeem welded?
Yog, A515 Qib 65 muajzoo heev weldabilityvim nws qis carbon sib npaug. Txoj kev vuam tsim nyog suav nrogSMAW, GMAW, and FCAW. Cov phaj tuab yuav xav taupreheatingkom tsis txhob tawg. Kev vuam zoo kom ntseeg taustructural integrity, ntev -lub sij hawm durability, thiab kev nyab xeeb kev khiav hauj lwmnyob rau hauv boilers, tshav kub exchangers, thiab industrial tanks nyob rau hauv nruab nrab pressures.
5. Lub zog tawm ntawm A515 Qib 65 yog dab tsi?
Yield zog ranges los ntawm245-300 MPa, txaus los tiv thaivmus tas li deformation nyob rau hauv nruab nrab siab. Qhov no ua rau nws zoo tagnrho rauindustrial boilers, tanks, thiab tshav kub exchangers. Ua ke nrog zoo ductility thiab toughness, cov khoom ua kom ntseeg taukev ua haujlwm nyab xeeb, txhim khu kev qha fabrication, thiab ntev - kev ua haujlwm ntawm cov qauvhauv kev lag luam nruab nrab- kev siv siab.
6.A515 Qib 65 txawv ntawm Qib 70 li cas?
Qib 65 muajme ntsis qis tensile thiab yield zogdua qib 70 tab sis khaws ciazoo sib xws ductility thiab weldability. Nws yog ntautus nqi- zoorau nruab nrab - cov ntawv thov siab. Qib 65 kuj tseem muaj qhov toughness txaus rauindustrial boilers, tanks, thiab siab hlab ntsha, kom ntseeg taukev nyab xeeb thiab txhim khu kev qha kev ua haujlwmnyob rau hauv ib txwm ua hauj lwm siab thiab kub.
7. Dab tsi yog cov ntawv thov ntawm A515 Qib 65?
Kev siv ntau suav nrogchav boilers, nruab nrab- cov hlab ntsha siab, cov khoom siv hluav taws xob sib hloov, thiab cov tank cia. Dav siv rau hauvkev tsim hluav taws xob, petrochemical, thiab tshuaj lom neeg kev lag luam, ASTM A515 Qib 65 muab qhov sib npaug ntawmlub zog, ductility, weldability, thiab cuam tshuam toughness, kom ntseeg taukev nyab xeeb, txhim khu kev qha, thiab ua haujlwm ruaj khovnyob rau hauv nruab nrab-siab kev siv tshuab.
Yog xav paub ntxiv txog GNEE cov khoom steel, tiv tauj peb ntawm info@gneesteels.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
