Thaum nws los txog rau kev xaiv cov khoom tsim nyog rau cov hlab ntsha thiab cov boilers, nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv ntawm ntau qib ntawm cov hlau. Ob qib siv feem ntau yog TIAB SA 516 Gr 70thiabA516 70 Phaj. Txawm hais tias lawv yuav zoo li zoo sib xws, lawv cov ntawv thov thiab cov khoom tuaj yeem sib txawv heev.
GNEE steel, lub tuam txhab ua lag luam thiab xa tawm ntawm lub nkoj siab thiab boiler steel daim hlau, khoom siv siab - zoo ASTM A516 GR 70 thiab ASME SA516 GR 70 daim hlau rau kev lag luam xws li roj thiab roj, petrochemical, thiab lub zog tsim hluav taws xob. Engineers thiab fabricators feem ntau ntsib cov lus nug txog qhov sib txawv ntawm ASTM A516 GR 70 thiab ASME SA516 GR 70 daim hlau. Kab lus no qhia meej txog lawv cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, cov qauv, thiab cov ntawv thov los coj cov khoom siv rau kev ua haujlwm siab ntawm cov hlab ntsha.
Tshuaj muaj pes tsawg leeg ntawm A/SA 516 gr 70
ASTM A516 gr 70 tshuaj muaj pes tsawg leeg
| Qib | Mn | C | S | P | Si |
|---|---|---|---|---|---|
| ASTM A516 gr 70 phaj | 0.55 – 0.98 | 0.21-0.27 | 0.035 max | 0.035 max | 0.13-0.45 |
SA 516 Gr 70 Chemical Composition
Cov tshuaj muaj pes tsawg leeg ntawm SA 516 Gr 70 pab txhawb rau nws tus qauv ntom:
|
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 |
Mechanical Properties ntawm A/SA516 gr 70
ASTM A516 gr 70 cov khoom siv
| Qib | Yield MPa | Thickness (hli) | Elongation% | Tensile MPa |
|---|---|---|---|---|
| ASTM A516 Qib 70 | 220 feeb | 6-100 | 21-25 | 415-550 |
SA 516 Gr 70 Mechanical Properties
Cov khoom siv kho tshuab ntawm SA 516 Gr 70 ntxiv rau nws qhov ntom ntom rau kev siv siab - siab:
|
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 |
normalized thiab raws li - dov ASTM A516 Qib 70 phaj?
GNEE tuaj yeem muab cov phiaj xwm no raws li - dov los yog normalized. Feem ntau, SA516 Gr 70 BQ daim hlau tshaj 40mm nyob rau hauv tuab yog ib txwm normalized. Nws suav nrog qeeb cua txias rau chav tsev kub kom txhim kho microstructure. Ib tug normalized ASTM A516 qib 70 HR boiler phaj yog softer thiab ntau ductile.
ASTM A516 qib 70 phaj specification
| SA 516 gr 70 txuj | SA 516 gr 70 LTCS Phaj Sample | A516 Qib 70 Hlau Phaj Txheej Txheem |
|---|---|---|
|
Lub neej ntev (GB) European qauv (EN) ASTM / ASME (Asmeskas) Japanese cov qauv kev lag luam (JIS) German txuj (DIN) |
Muab cov qauv dawb | Kub Rolled |
| ASTM A516 Gr 70 Carbon Steel Sheet Qib | ASTM A516 gr 70n phaj cuam tshuam kuaj | SA 516 gr 70 khoom ntev |
| ua 516g70 | -52 ° C | 3000 hli rau 8000 hli |
| Cov kev sim ua tiav | SA 516 gr 70 tua carbon steel phaj zoo | Daim ntawv thov ntawm A516 gr 70 phaj |
|
Kev kuaj Hardness PMI test Tensile xeem Kev tshuaj xyuas thib peb Fatigue mechanics test Impact test |
Phaj / ntawv / Foils / Sawb |
Kev thauj mus los Chaw thau khoom thoob Industrial siv Thermal Power Plant Shipbuilding |
| SA 516 gr.70 qis kub bq phaj keeb kwm | ASME SA 516 Gr.70 Phaj Tempering | SA 516 gr 70 normalized CS phaj tus me nyuam lub sij hawm |
| Tuam Tshoj | 1200℃F | 2-3 hnub |
| Muaj dav hauv Tshuag | Muaj Thickness hauv Tshuag | ASME SA516 Gr 70 Carbon Steel Phaj Hom Lub Npe |
| 1500 hli rau 3500 hli | 1 hli - 80 hli | Imported, Jindal, shinkansen autocom, dixin, bahrain |
| ASME SA516-70 steel phaj hardness | sa-516 k02700 qib 70 phaj khoom | Ntim |
| Hard, Spring Hard, Mos |
Zoo corrosion kuj Zoo heev toughness khoom |
Box swb Plav skid Txheem hiav txwv tsim nyog ntim Shear lub thawv Dej hiav txwv skid khoom hauv qab |
Daim ntawv thov ntawm ASTM A516 GR 70 thiab ASME SA516 GR 70
ASTM A516 GR 70 thiab ASME SA516 GR 70 yog siv rau hauv:
- Cov nkoj siab: Rau cov roj, roj, thiab tshuaj ua haujlwm, qhov twg siab zog thiab qis -kub toughness yog qhov tseem ceeb.
- Boilers: Hauv kev tsim hluav taws xob, muab thermal stability thiab durability.
- Cov khoom siv Cryogenic: Haum rau LNG cia vim muaj kev cuam tshuam zoo heev.
- Fabrication: Lawv weldability txhawb kev sib koom ua ke hauv cov khoom siv.
ASME SA516 GR 70 tshwj xeeb yog xav tau rau ASME - cov hlab ntsha coded, thaum ASTM A516 GR 70 yog qhov tsim nyog rau kev siv lub nkoj dav dav.
Weldability
Ob qib yog tag nrho tua cov pa roj carbon steel nrog zoo weldability siv SMAW, GTAW, thiab SAW txheej txheem. Cov ntsiab lus ntawm cov pa roj carbon tsawg tsawg txo qhov tsis zoo ntawm cov vuam, thiab normalization txhim kho toughness. GNEE steel khoom siv cov phaj hauv qhov qub lossis kub -cov txheej txheem dov kom ua tau raws li qhov yuav tsum tau ua.
SA 515 gr 70 vs SA 516 gr 70
| Khoom | Txuj | Min. YS – MPa | Daim ntawv thov | Cov ntsiab lus carbon | Min. TS – MPa | Kev xeem ICT |
|---|---|---|---|---|---|---|
| SA 515 Qib 70 | ASTM A515 Cov Lus Qhia Tshwj Xeeb | 260 | Haum rau siab - qhov kev pab cuam kub | Siab dua | 485 | Tsis xav tau |
| SA 516 Qib 70 | ASTM A516 Cov Lus Qhia Tshwj Xeeb | 260 | Haum rau cov hlab ntsha siab ntawm qhov kub thiab txias | qis | 485 | Yuav tsum tau |
IS 2062 vs SA 516 gr 70
| Khoom | TIAB SA 2062 | SA 516 Qib 70 |
|---|---|---|
| Cov ntsiab lus carbon | Siab dua | qis |
| Txuj | Indian Standard | American Standard |
| Daim ntawv thov | Kev siv cov qauv | Siab hlab ntsha thiab boilers |
| Thickness Ntau | Txog li 200 mm | 1/4 txog 6 nti |
| Kev sim cuam tshuam | Tsis equired | Yuav tsum tau |
GNEE steel daws
GNEE steel yog tus thawj coj thoob ntiaj teb hauv kev muab ASTM A516 GR 70 thiab ASME SA516 GR 70 daim hlau, muab:
- Certified Zoo: Dual -cov ntawv pov thawj tau kuaj xyuas ultrasonic, Charpy qhov kev ntsuam xyuas, thiab tshuaj ntsuam xyuas kom tau raws li cov qauv ASTM/ASME.
- Kev kho kom haum: Muaj nyob rau hauv normalized los yog kub -cov ntaub ntawv dov rau tej qhov project xav tau.
- Kev muab khoom thoob ntiaj teb: Tus nqi sib tw thiab txhim khu kev xa khoom thoob ntiaj teb.
- Kev pab txhawb nqaKev taw qhia txog kev xaiv ASTM A516 GR 70 piv rau ASTM A516 GR 65, ASTM A516 GR 60, lossis ASTM A516 GR 55.
ASTM A516 GR 70 thiab ASME SA516 GR 70 yog qhov tseem ceeb zoo ib yam hauv cov khoom xyaw thiab cov khoom, nrog SA516 GR 70 muab ntawv pov thawj ASME ntxiv rau cov hlab ntsha. GNEE steel daim hlau ua kom muaj kev ntseeg siab rau txhua qhov kev siv lub nkoj siab.
Rau cov qauv sib npaug, tshawb xyuas pebASTM A516 GR 70 qib sib npaugqhia.
Dab tsi yog qhov cuam tshuam ntawm ASTM A516 Qib 70 phaj ntawm qhov kub thiab txias?
Qib no tuaj yeem tiv taus qhov kub thiab txias siab vim nws lub zog tensile zoo (485 txog 620 MPa) thiab tawm los (260 MPa). Cov neeg tsim khoom ntsuas qhov cuam tshuam ntawm ASTM A516 gr. 70 BQ daim hlau los ntawm Charpy kuaj. Qib 70 muab lub zog siab tshaj plaws ntawm lwm tus raws li qhov tshwj xeeb no. ASTM A516 gr. 70 boiler zoo daim hlau kuj xa zoo thais toughness.
Dab tsi yog hom kev xeem sib txawv siv rau A516 qib 70 phaj?
Cov txheej txheem kev xeem raug rau ASTM A516 qib 70 boiler- cov pa roj carbon steel zoo yog Charpy V Notch toughness tests thiab tensile strength assessment. Cov neeg tsim khoom lag luam ib txwm ua qhov kev sim cuam tshuam, kev txheeb xyuas cov khoom zoo, thiab kev kuaj xyuas qhov tsis kam rau pitting corrosion. Cov neeg siv khoom tuaj yeem thov cov txheej txheem xws li kuaj hydrostatic thiab radiography.
ASTM A516 gr. 70 bq phaj yog dab tsi?
Cov phaj no yog nrhiav tau los ntawm kev lag luam roj, petrochemicals, thiab tshuaj tshwj xeeb. ASME SA 516 Gr 70 carbon steel siab nkoj phaj ua tau zoo ntawm qhov kub thiab txias. Nws kuj ua haujlwm hauv cov chiv, tshuaj, thiab textile machinery.
Dab tsi yog qhov txawv ntawm SA 516 GR 70 thiab A516 GR 70?
Ob leeg yog siv rau cov hlab ntsha siab thiab boilers, tab sisASME SA516 GR 70 yog qhov yuav tsum tau ua rau ASME -coded cov haujlwm, xyuas kom ua raws li cov qauv kev cai. ASTM A516 GR 70 yog qhov tsim nyog rau cov nkoj uas tsis yog -cov nkoj lossis cov ntawv pov thawj ASME tsis tas yuav tsum muaj.
Qhov txawv ntawm SA 516 70 thiab A36 yog dab tsi?
ASTM A516 GR 70 ua tau zoo tshaj ASTM A36 hauv lub zog tensile, qis-kub toughness, thiab siab lub nkoj siv, thaum A36 zoo dua rau kev siv cov qauv siv.. Gangsteel's ASME SA516 GR 70 daim hlau yog tsim los rau kev ntseeg siab, ua tau raws li cov qauv nruj rau kev lag luam xav tau.
Dab tsi yog qhov txawv ntawm SA516 60 thiab SA516 70?
ASME SA516 GR 60 muaj lub zog tensile ntawm 415-550 MPa thiab siab dua ductility, thaum SA516 GR 70 muaj 485-620 MPa rau kev siv siab dua.
