Thaum ob leegSA516 GR 70 thiabSA515 GR 70yog siab -lub zog carbon steel daim hlau feem ntau siv rau welded boilers thiab siab hlab ntsha, lawv yogtsim los rau qhov sib txawv ntawm qhov kub thiab txias thiab kev tsim khoom
ASME SA516 Qib 70 steel
ASME SA516 Qib 70 (los yog ASTM A516 Qib 70) yogib tug hwm carbon steel phaj feem ntau yog siv rau welded boilers thiab siab hlab ntsha. Nws muaj nuj nqis heev hauv cov roj, roj, thiab petrochemical kev lag luam rau nws lub zog tensile siab, zoo weldability, thiab superior notch toughness ntawm tsawg kub.
Kev kho cua sov SA 516 GR 70 yog dab tsi?
SA516 Qib 70 Phaj tuaj yeem muab tau rau hauv cov xwm txheej zoo, uas txhim kho lawv cov khoom siv dag zog thiab kev ua haujlwm zoo thiab ua kom muaj cua sov cov hlau mus rau qhov kub ntawm li 900℃thiab tom qab ntawd cua txias nws, uas ua kom cov nplej zoo dua qub thiab txhim kho cov khoom sib xws.
Dab tsi yog qhov txawv ntawm SA 515 GR 70 thiab SA516 GR 70?
SA-516-70 feem ntau muaj lub zog tensile ntau dua piv rau SA515 GR 70. Daim ntaub ntawv: SA-516-70 feem ntau yog siv rau cov hlab ntsha siab uas yuav tsum muaj kev pab cuam nruab nrab thiab qis dua. SA515 GR 70 yog siv rau nruab nrab thiab siab dua cov kev pabcuam kub.
SA 515 GR 70 khoom yog dab tsi?
SA 515 GR. 70 daim hlau xa muscarbon steel phajuas ua raws li ASME SA515 Qib 70 specification. Qhov kev qhia tshwj xeeb no suav nrog cov pa roj carbon-silicon steel daim hlau feem ntau rau nruab nrab- thiab siab dua- qhov kev pabcuam kub hauv welded boilers thiab lwm cov hlab ntsha siab.
Tshuaj muaj pes tsawg leeg ntawm SA 516 Gr 70
|
Element |
Kev ntsuas kub (max%) |
Product Analysis (Max%) |
|---|---|---|
|
Cov pa roj carbon (C) |
0.27 |
0.31 |
|
Manganese (Mn) |
0.85-1.20 |
0.79-1.30 |
|
Phosphorus (P) |
0.025 |
0.035 |
|
Sulfur (S) |
0.015 |
0.040 |
|
Silicon (Si) |
0.15-0.40 |
0.13-0.45 |
Cov ntsiab lus tseem ceeb:
- Tsawg Alloy Cov ntsiab lus: Tsawg alloying (tsis muaj qhov tseem ceeb Cr, Ni, Mo) tswj qhov ceev ntawm 7850 kg / m³, zoo ib yam li lwm cov carbon hlau.
- Cov pa roj carbon (C): Tsawg dua los yog sib npaug li 0.27% ua kom cov weldability thiab toughness tsis cuam tshuam qhov ntom.
- Manganese (Mn): 0.85-1.20% txhim khu lub zog, pab txhawb kev ua haujlwm zoo.
- Carbon Equivalent (CEV): Feem ntau Tsawg dua los yog sib npaug li 0.43%, xam raws li CEV=C + Mn / 6 + (Cr + Mo + V)/5 + (Ni + Cu) / 15, txhawb weldability yam tsis muaj kev cuam tshuam qhov ntom ntom.
Mechanical Properties ntawm SA 516 Gr 70
|
Thickness (hli) |
Yield zog (min, ksi / MPa) |
Tensile zog (ksi / MPa) |
Elongation (min,%) |
Impact Toughness @ -46℃(min, ft-lb/J) |
|---|---|---|---|---|
|
Tsawg dua los yog sib npaug li 25 |
38/260 |
70-90/485-620 |
27 |
20/27 |
|
25<> |
37/255 |
70-90/485-620 |
25 |
20/27 |
|
50<> |
36/250 |
70-90/485-620 |
23 |
20/27 |
|
>100 |
34/235 |
70-90/485-620 |
21 |
20/27 |
- Yield zog: Ntau dua los yog sib npaug rau 260 MPa txhawb nqa load-cov kabmob hauv cov hlab ntsha siab.
- Tensile zog: 485-620 MPa kom ruaj khov nyob rau hauv siab.
- Elongation: Ntau dua lossis sib npaug li 27% tso cai rau kev sib sau ua ke.
- Impact Toughness: Ntau dua lossis sib npaug rau 27 J ntawm -46℃ua kom ntseeg tau qhov ntsuas kub qis.
SA515 GR 70
ASME SA-515 Qib 70yog asiab-lub zog carbon-silicon steel phaj tsim rau nruab nrab thiab siab dua- kev pabcuam kub hauv boilers thiab cov hlab ntsha siab. Nws cov ntxhib- cov qauv nplej thiab ntxiv ntawm silicon muab kev nkag siab zoo heev thiab thermal stability nyob rau hauv siab - qhov kub thiab txias
|
TIAB SA 515Gr70Tshuaj muaj pes tsawg leeg |
|||||
|
Qib |
Cov ntsiab lus Max (%) |
||||
|
C |
Mn |
P |
S |
Si |
|
|
TIAB SA 515Gr70 |
0.30-0.35 |
1.30 |
0.035 |
0.035 |
0.13-0.45 |
|
Qib |
TIAB SA 515Gr70Mechanical Property |
|||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
TIAB SA 515Gr70 |
mm |
Min Mpa |
Mpa |
Tsawg% |
|
200 |
260 |
485-620 |
17 |
|
|
50 |
21 |
|||
|
Sib npaug steel qib ntawm SA515Gr70 |
|||||||
|
Teb chaws Europe |
Belgium |
Lub teb chaws Yelemees |
Fabkis |
Ltalis |
Sweden |
UK |
Nyiv |
|
KW, KW, KT |
|
Wb St E 315 |
A48 CP, AP, FP |
Fe 460-2 KW |
SIB 21,02,01 |
360,400 Nws |
|
tseem ceeb sib txawv:SA516 GR 70 thiab SA515 GR 70
1. Kev ua haujlwm kub
- SA516 GR 70 (Nruab nrab & qis qis):Tsim tshwj xeeb rau kev pabcuam ib puag ncig ntawm lossis qis dua ambient kub mus rau sub-zero tej yam kev mob. Nws yog kev cia siab ntau rau hauv cov huab cua txias rau nws lub peev xwm los tiv thaiv kev tawg tawg.
- SA515 GR 70 (nruab nrab thiab siab dua Temps):Tsim feem ntau rau nruab nrab - mus rau siab - qhov chaw ua haujlwm kub (xws li chav kav dej). Nws muab kev tiv thaiv zoo rau creep deformation.
2. Grain Structure thiab Toughness
- Qauv TSIS MUAJ: SA516 GR 70Tsim los sivzoo - nplejkev ua kom yaj. Cov qauv zoo no ua rau muaj txiaj ntsig zoo dua qub thiab ductility, ua rau nws txhim khu kev qha rau kev cuam tshuam.
- Qauv TSIS MUAJ: SA515 GR 70Tsim los sivntxhib- nplejkev coj ua. Cov nplej ntxhib tau pom zoo nyob rau hauv siab - qhov kub thiab txias kom txo qis graphitization thiab tiv taus cov cua sov tsis tu ncua, txawm hais tias nws txis qis - qhov kub thiab txias.
3. Cov ntsiab lus carbon
- Txawm hais tias ob qho tib si muaj qhov zoo sib xws tensile thiab yield zog, lawv cov tshuaj muaj pes tsawg leeg sib txawv me ntsis. SA515 tso cai rau cov pa roj carbon ntau dua (txog 0.31) piv rau SA516 (max 0.27%). Qhov no ua rau SA516 feem ntau ntau "fabrication-tus phooj ywg" thiab yooj yim rau vuam.
4. Thickness txwv
- Qauv TSIS MUAJ: SA516 GR 70Nws muaj qhov siab tshaj plaws tsim thickness txwv ntawm 204 hli.
- Qauv TSIS MUAJ: SA515 GR 70Feem ntau txwv rau qhov siab tshaj plaws thickness ntawm 50 mm.
Daim Ntawv Thov: Thaum Xaiv Txhua Qib
SA516 Qib 70 - Qhov zoo tshaj plaws rau Kev Pabcuam Kub Kub rau Tsawg
- LPG cia tankyuav tsum muaj kev cuam tshuam toughness ntawm -46 degree
- Tsawg-kub tshuaj reactorshauv petrochemical cov nroj tsuag
- Cryogenic cov hlab ntshatuav liquefied gases (LNG, LPG, ethylene)
- API 650 thiab API 620cia tanks rau roj thiab roj terminals
- Cov hlab ntsha siab hauv cov huab cua txias(Canada, Russia, Scandinavia)
- Cov kev pabcuam qaub(NACE MR0175 / HIC kuaj muaj)
SA515 Qib 70 - Qhov zoo tshaj plaws rau Kev Pabcuam Kub Kub
- Boiler shells thiab chav nruashauv thermal fais fab nroj tsuag
- Kub exchanger plhaubnyob rau hauv refineries thiab chemical ua
- Siab -kub siab cov hlab ntshaUa haujlwm ntawm 400℃-550 degree
- Cov khoom siv hluav taws xob muajthiab kiln
- Petrochemical reactorsnrog sustained siab kub
Ntawm GNEE Steel, peb tshwj xeeb hauv kev muab ob qho tib si ASME SA516 Qib 70 thiab ASME SA515 Qib 70 qib siab lub nkoj nrog daim ntawv pov thawj zeb tag nrho, cov nqi sib tw, thiab xa khoom thoob ntiaj teb. Peb 18 xyoo ntawm kev xa tawm thiab 55,000-tuj cov khoom lag luam kom ntseeg tau tias koj tau txais cov khoom siv raws sijhawm thiab ntawm pob nyiaj siv.
Npaj kom xaj SA516 Qib 70 lossis SA515 Qib 70 rau koj qhov project tom ntej?
Hu rau GNEE Steel hnub no kom tau txais kev tsocai sai, cov kws tshaj lij kev pabcuam, thiab cov kev pabcuam ua haujlwm. Tsuas yog sau daim ntawv nug hauv qab no lossis email rau peb ntawminfo@gneesteels.com-Peb pab neeg yuav teb tsis pub dhau 24 teev nrog kev daws teeb meem zoo tshaj plaws rau koj cov kev xav tau!
FAQ
Dab tsi yog qhov txawv ntawm sa516 70 thiab SA515 70?
SA-516-70 feem ntau muaj zog tensile ntau dua piv rau SA515 GR 70. Daim ntaub ntawv: SA-516-70 feem ntau yog siv rau cov hlab ntsha siab uas yuav tsum tau muaj kev pab cuam nruab nrab thiab qis dua. SA515 GR 70 yog siv rau nruab nrab thiab siab dua cov kev pabcuam kub.
Dab tsi yog qhov txawv ntawm sa516 gr 70 thiab sa105?
A105 cov ntsiab lus ntau dua cov pa roj carbon monoxide ua kom muaj zog forging. SA 516 GR 70's ntau dua txhim kho phaj lub zog thiab toughness. SA 516 GR 70's stricter txwv txhim khu weldability thiab HIC kuj. SA 516 GR 70's qis sulfur txhawb nqa kev pabcuam qaub.
Dab tsi yog qhov txawv ntawm ASTM A516 GR 70 thiab ASTM A572 GR 50?
Mechanical Properties: Ib Sab -los ntawm -Side Comparison
Nco ntsoov tiasA572 Gr 50 muaj lub zog tawm los ntau dua li A516 Gr 70, uas feem ntau yog qhov tseem ceeb hauv kev tsim qauv kom tsis txhob deformation mus tas li.
Dab tsi electrode yog siv los vuam SA516 gr 70 khoom?
Pom zoo Vuam Rods rau SA 516 Gr 70
E7018: Low-hydrogen electrode (eg, AWS A5. 1 E7018-1 lossis E7018-H4R), tensile strength 70 ksi, suitable for all positions. Why?: Low hydrogen reduces cracking; meets toughness requirements. Preheating: 149-204°C (300-400°F) for >38 hli thickness.
SA 515 GR 70 khoom yog dab tsi?
SA 515 GR. 70 daim hlau xa muscarbon steel daim hlau uas ua raws li ASME SA515 Qib 70 specification. Qhov kev qhia tshwj xeeb no suav nrog cov pa roj carbon-silicon steel daim hlau feem ntau rau nruab nrab- thiab siab dua- qhov kev pabcuam kub hauv welded boilers thiab lwm cov hlab ntsha siab.
516 GR 70 sib npaug li cas?
Dab tsi yog cov khoom sib npaug rau A516 GR 70? Cov sib npaug sib npaug suav nrogASME SA516 GR 70, EN 10028 P355GH, thiab BS1501 224-490 A & B, haum rau kev siv lub nkoj siab zoo sib xws.
