Khoom Description
ASTM A516 Gr70 yog dab tsi?
ASTM A516 Cov Lus Qhia Tshwj Xeebyog tus qauv tsim los ntawm American Society for Testing and Materials. Nws qhia txog qhov yuav tsum tau ua rau cov pa roj carbon steel phaj siv hauv qis - mus rau nruab nrab -kub siab cov hlab ntsha. Cov phaj no feem ntau yog siv rau kev tsim cov hlab ntsha siab thiab txhawm rau txhim kho qhov tsis sib haum xeeb. Lawv muaj nyob rau hauv plaub qib zog: 55, 60, 65, thiab 70.A516 Qib 70yog qib siab tshaj plaws uas tau teev tseg hauv ASTM A516 tus qauv. Lub siab lub nkoj steel phaj no yog siab -lub zog, siab -toughness, thiab weldable, normalized, thiab tau dhau nruj tsis- kuaj kev puas tsuaj.
Yuxin Steel cov khoom ua tau raws li tag nrho cov qauv tshuaj ntsuam xyuas, ua kom ntseeg tau zoo. Tiv tauj peb kom paub meej ntxiv!
A516 Siab Vessel Steel Phaj
Tshuaj muaj pes tsawg leeg
|
Element |
A516 Gr.70 Yuav tsum tau |
Qhov cuam tshuam rau cov khoom |
|
C (Carbon) |
Tsawg dua lossis sib npaug li 0.27 |
Tsawg carbon txhim kho weldability tab sis txo lub zog. |
|
Manganese (Mn) |
0.85–1.20 |
Txhim khu lub zog thiab toughness. |
|
P (phosphorus) |
Tsawg dua lossis sib npaug li 0.025 |
Cov ntsiab lus siab ua rau txias brittleness. |
|
S (Sulfur) |
Tsawg dua lossis sib npaug li 0.025 |
Txo qhov cuam tshuam toughness yog tias ntau dhau. |
|
Si (Silicon) |
0.15–0.40 |
Ua raws li deoxidizer, ua kom muaj zog. |
|
Al (Aluminium) |
Ntau dua lossis sib npaug rau 0.02 (yog tias tua) |
Refines grain qauv, txhim kho toughness. |
|
CEV (Carbon Equivalent) |
Tsawg dua lossis sib npaug li 0.45 |
Measures weldability (CEV=C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15). |
Khoom Paub meej
- Mechanical zog:Tensile zog: 485-620 MPa. Ntawm qhov cuam tshuam kub ntawm -30 degree, elongation yog ntau dua lossis sib npaug li 21%, thiab hardness tsawg dua lossis sib npaug li 200.
- Qhov kub siab tshaj plaws:Qhov ntsuas kub siv tau yog feem ntau -30℃rau +425℃. Hauv qhov ntsuas kub no, A516 Gr70 steel daim hlau tuaj yeem tswj hwm lawv cov khoom siv kho tshuab kom zoo, ua tau raws li qhov yuav tsum tau ua rau kev siv lub nkoj siab.
- Yield zog:Tawm lub zog yog 260 MPa. Nyob rau theem kev ntxhov siab hauv qab tus nqi no, cov khoom siv tau deformation elastic; Tshaj qhov nqi no yuav ua rau cov yas deformation.
- Delivery condition:Cov hlau phaj nrog lub thickness txog li 40 hli feem ntau yog muab nyob rau hauv raws li -rolled mob, txawm hais tias lawv kuj yuav muab nyob rau hauv lub normalized los yog kev nyuaj siab-relieved mob. Cov hlau phaj nrog lub thickness ntau tshaj 40 hli yog muab tom qab kho normalization.
Nta ntawm A516 Gr70 Siab Vessel Steel Phaj
Siab zog
A516Gr70 muaj lub zog tawm los ntawm Ntau dua lossis sib npaug ntawm 260 MPa thiab lub zog tensile xws li 485 txog 620 MPa, ua kom nws tiv taus siab - siab loads thaum lub sijhawm ua haujlwm ntawm cov hlab ntsha siab. Nws yog qhov tsim nyog rau kev tsim khoom siv uas yuav tsum tau tiv taus kev kub ntxhov.
Siab Toughness
A516Gr70 steel daim hlau qhia tau zoo heev qis- kub toughness, muaj peev xwm tiv taus qhov kub thiab txias hauv qab -46℃yam tsis muaj qhov tawg tawg.
Zoo weldability
Thaum lub sij hawm tsim cov A516Gr70 steel daim hlau, cov ntsiab lus ntawm cov ntsiab lus xws li carbon, sulfur, thiab phosphorus yog nruj me ntsis tswj. Yog li ntawd, thaum lub sij hawm vuam, qhov tsis xws luag xws li tawg thiab porosity yuav tsis tshwm sim. Cov pob qij txha welded kuj muaj lub zog siab thiab tawv, thiab tuaj yeem ua tiav siv ntau yam kev siv vuam xws li arc vuam thiab submerged arc vuam.
Yooj yim rau kev tsim
Cov khoom no muaj qhov zoo txias bending thiab dov kev ua tau zoo. Koj tuaj yeem siv cov txheej txheem txias los yog kub ua kom ntau yam zoo li tus, uas tuaj yeem siv los tsim cov khoom sib xws - zoo li lub nkoj siab.
Kev ua tau zoo sib txawv ntawm A516Gr70 thiab A516Gr60
1. Tshuaj muaj pes tsawg leeg
Thawj qhov sib txawv ntawm A516 Qib 70 thiab A516 Qib 60 nyob hauv lawv cov ntsiab lus carbon, uas cuam tshuam ncaj qha rau lub zog thiab ua cov yam ntxwv.
A516 Qib 70
- Thickness Tsawg dua lossis sib npaug li 12.5 hli: Max. C=0.27%
- Thickness > 12.5 hli: Max. C=0.30%
Cov ntsiab lus carbon siab dua ua rau muaj zog tensile zog tab sis tuaj yeem txo qis ductility thiab weldability.
A516 Qib 60
- Thickness Tsawg dua lossis sib npaug li 12.5 hli: Max. C=0.21%
- 12.5 hli < Thickness Tsawg dua los yog sib npaug li 50 hli: Max. C=0.23%
- 50 hli < Thickness Tsawg dua los yog sib npaug rau 63 hli: Max. C=0.25%
Cov ntsiab lus qis dua muaj qhov zoo dua weldability thiab formability, nrog me ntsis zog.
2. Mechanical Properties
| Sib piv Dimensions | A516 Gr70 | A516 Gr60 |
|---|---|---|
| Tensile zog (MPa) | 485–620 | 485–620 |
| Yield zog (MPa) |
Ntau dua lossis sib npaug li 260 | Ntau tshaj los yog sib npaug rau 220 |
| Elongation (%) ntawm 50 mm |
Ntau dua lossis sib npaug li 21 | Ntau dua lossis sib npaug li 25 |
Lub zog
A516 Qib 70 muaj zog tensile thiab tawm los ntau dua, ua rau nws tsim nyog rau kev xav tau ntawm cov qauv thiab cov kev xav tau.
Ductility
A516 Qib 60 muab kev elongation zoo dua, txhim kho kev ua haujlwm hauv cov ntawv thov uas qhov deformation kuj tseem ceeb heev.
3. Cov yam ntxwv ua haujlwm
A516 Gr70
Lub zog siab dua tuaj yeem ua rau qee qhov kev ua haujlwm txias txias dua. Ua tib zoo tswj ntawm dabtsi yog khoov vojvoog thiab tsim kub yog pom zoo kom tiv thaiv kev tawg.
A516 Gr60
Cov ntsiab lus qis alloy txhais tau zoo dua weldability thiab machinability, ua kom yooj yim rau kev ua thiab tsim rau hauv cov duab nyuaj yam tsis muaj kev cuam tshuam cov khoom ncaj ncees.
Qhov zoo ntawm A516Gr70
Zoo heev corrosion kuj
A516Gr70 steel daim hlau muaj qhov zoo -grained microstructure thiab cov tshuaj lom neeg muaj pes tsawg leeg, ua rau lawv tiv taus corrosion los ntawm corrosive media xws li hydrogen sulfide. Lawv tsim nyog siv rau hauv kev lag luam xws li roj av thiab tshuaj lom neeg, pab txo qhov zaus ntawm cov khoom siv tu thiab ncua kev pab cuam lub neej.
Muaj zog kub adaptability
A516Gr70 steel phaj feem ntau yog siv nyob rau hauv qis - mus rau nruab nrab- qhov kub thiab txias ib puag ncig, nrog rau kev khiav hauj lwm kub ntawm −46℃mus rau nruab nrab kub. Nyob rau hauv qhov ntau, cov khoom siv lub zog thiab lub zog ruaj khov, ua tau raws li qhov ntev - cov kev cai siv ntawm cov hlab ntsha hauv cov xwm txheej zoo li no.
High nto zoo
A516Gr70 steel daim hlau muaj qhov zoo ntawm qhov siab siab tswj thiab qhov zoo ntawm qhov chaw. Qhov no muab lub hauv paus ruaj khov rau kev tsim khoom thiab kev siv tom ntej, thiab ua kom tag nrho cov khoom zoo thiab kev ua haujlwm ntawm cov khoom siv.
Kev lag luam zoo
Thaum ua tau raws li qhov yuav tsum tau ua, lawv pab txo cov nqi tsim khoom thiab muab cov txiaj ntsig zoo ntawm kev lag luam piv rau qee qhov siab -kev ua tau zoo alloy steels.
Daim ntawv thov ntawm ASTM A516 Gr70
ASTM A516 Gr70 Siab Vessel Steel Phaj
Cov phaj hlau no yog cov khoom siv zoo tshaj plaws rau kev tsim khoom nruab nrab - thiab qis -kub siab cov hlab ntsha, thiab tuaj yeem siv los tsim cov tank cia, reactors, kub exchangers, kav dej, thiab lwm yam khoom siv. Cov cuab yeej no yuav tsum tiv taus qee qhov kev kub ntxhov thiab kub, thiab lub zog thiab lub zog ntawm A516 Gr70 kom ntseeg tau tias cov cuab yeej tsis zoo li yuav tawg lossis tawg thaum lub sijhawm ua haujlwm ntev -.
ASTM A516 Gr70 Boiler Steel Phaj
Cov phaj hlau no yog tsim rau kev tsim ntau hom boilers, nrog rau chav boilers thiab dej kub boilers. Nws tuaj yeem tiv taus siab - kub thiab siab - qhov chaw ua haujlwm siab.
ASTM A516 Gr70 Hlau Phaj rau Petrochemical Applications
Hauv kev lag luam petrochemical, cov phaj hlau no tuaj yeem siv los tsim ntau hom yees, reactors, cia tank, thiab lwm yam khoom siv. Piv txwv li: huab cua loj lossis qis - lub tso tsheb hlau luam siab, thiab lub tank cia siab rau khaws cov khoom siv tshuaj.
ASTM A516 Qib 70 Hlau Phaj rau Mechanical Manufacturing
Hauv kev tsim khoom siv tshuab, cov phaj hlau no tuaj yeem siv los tsim ntau yam hnyav -cov khoom siv kho tshuab thiab cov qauv tsim kom tau raws li qhov yuav tsum tau ua ntawm cov cuab yeej siv tshuab.
Peb Cov Ntawv Pov Thawj
Txog Peb
peb yog leej twg?
Yuxin (Tianjin) International Trade Co., Ltd. yog tus neeg sawv cev steel. Lub lag luam tseem ceeb ntawm peb lub tuam txhab yog: nruab nrab thiab tuab daim hlau, ductile cam khwb cia hlau yeeb nkab, seamless kav, deformed tuav, thiab lwm yam ntawm Angang, Hangang, Wugang, Nangang, Shagang thiab lwm yam steel nroj tsuag, raws li zoo raws li ntau yam steel hais txog cov khoom. Peb tuaj yeem hloov kho ntau yam kev qhia tshwj xeeb, qhov ntau thiab tsawg, cov ntaub ntawv ntawm daim hlau thiab cov khoom siv hauv tsev rau cov neeg siv nrog lub sijhawm xa khoom sai, txhim khu kev qha zoo, thiab tus nqi zoo.Yog tias koj xav paub ntau ntxiv txog peb cov khoom, thov koj xav xa email tuaj rau peb!
Kev pabcuam zoo
Muaj Tshuag txaus
Khoom zoo
Tom qab - kev muag khoom
FAQ
Q: 1.Dab tsi yog lub siab lub nkoj phaj?
A: PVQ steel phaj yog siv rau kev tsim cov hlab ntsha siab, uas yog kaw cov thawv tsim los tuav cov pa roj lossis cov kua dej ntawm lub siab sib txawv ntau dua li qhov siab.
Q: 2. ASTM phaj yog dab tsi?
A: ASTM A36 steel phaj yog cov qauv hlau uas siv rau ntau yam kev siv. Nws yog ib qho qis - carbon steel nrog lub zog zoo, formability, thiab vuam zoo heev. Cov phaj hlau no tau siv dav hauv kev tsim kho, kev ua liaj ua teb, tsheb, thiab ntau lwm yam vim nws cov khoom.
Q: 3.How tuab npaum li cas yog siab nkoj steel phaj?
A: Peb npaj siab txog lub nkoj steel phaj txog 250mm tuab, uas tau lees paub rau txhua qib European, Asmeskas, thiab Askiv. Cov sulfur thiab phosphorus cov ntsiab lus yog tsawg, cov hlau yog nqus degassed, thiab calcium kho.
Q: 4.Dab tsi yog qhov muaj zog steel phaj?
A: Lub zog siab tshaj plaws uas tsis tshua muaj alloy steel phaj yog 980X. Muaj nyob rau hauv daim ntawv, sawb, thiab daim hlau mus txog 0.375 nyob rau hauv., nws muaj ib tug yield zog yam tsawg kawg nkaus ntawm 80,000 (552 MPa) thiab qhov kawg tensile zog yam tsawg kawg nkaus ntawm 95,000 (655 MPa).
Q: 5.Dab tsi yog cov khoom siv phaj siv hauv cov hlab ntsha siab?
A: ASTM A516 / SA516 cov khoom siv phaj yog cov qauv tshwj xeeb rau kev tsim cov hlab ntsha siab. ASTM A537 / SA537 phaj cov khoom siv yog cua sov- kho, carbon-manganese silicon steel.
Q: 6.Dab tsi yog stainless hlau siv hauv cov hlab ntsha siab?
A: Lawv muaj kev nyab xeeb rau kev siv mus txog qhov siab tshaj plaws ua haujlwm ntawm 145 psi (10 bar), thiab tau tsim los siv cov hlau tsis zoo (AISI 304, mus txog AISI 316L / AISI 316 Ti).
Cim npe nrov: astm a516 gr70, Tuam Tshoj astm a516 gr70 lwm tus neeg
