Taw qhia rau ASTM B463 Txuj:
ASTM B463 yog ib qho kev qhia tshwj xeeb uas tsim los ntawm American Society for Testing and Materials (ASTM) uas qhia txog cov kev cai rau UNS N08020, UNS N08026, thiab UNS N08024 alloy ntawv thiab phaj.
Xws li Qib thiab Tshuaj Chemical Composition:
ASTM B463 npog peb qib ntawm npib tsib xee- hlau-chromium alloys, txhua tus muaj nws cov tshuaj muaj pes tsawg leeg:
1. Alloy 20 UNS N08020(Carpenter 20, W.NR. 2.4660): suav nrog nickel, chromium, hlau, thiab tooj liab, nrog ntxiv ntawm molybdenum thiab niobium.
2. UNS N08026:Qib no feem ntau muaj npib tsib xee, chromium, hlau, thiab molybdenum, nrog rau cov qib tooj liab, tungsten, thiab nitrogen.
3. UNS N08024:Muaj npib tsib xee, chromium, hlau, thiab molybdenum, nrog ntxiv ntawm tooj liab, niobium, thiab nitrogen.
| Element | Kev sib xyaw,% | ||
| UNS N08026 | UNS N08020 | UNS N08024 | |
| Cov pa roj carbon, max | 0.03 | 0.07 | 0.03 |
| Manganese, max | 1.00 | 2.00 | 1.00 |
| Phosphorus, max | 0.03 | 0.045 | 0.035 |
| Sulfur, max | 0.03 | 0.035 | 0.035 |
| Silicon, max | 0.50 | 1.00 | 0.50 |
| Nickel | 33.00-37.20 | 32.00-38.00 | 35.00-40.00 |
| Chromium | 22.00-26.00 | 19.00-21.00 | 22.50-25.00 |
| Molybdenum | 5.00-6.70 | 2.00-3.00 | 3.50-5.00 |
| Tooj | 2.00-4.00 | 3.00-4.00 | 0.50-1.50 |
| Columbium(Nb) + tantalum | ... | 8 × carbon-1.00 | 0.15-0.35 |
| Nitrogen | 0.10-0.16 | ... | ... |
| Hlau | seem | seem | seem |
ASME SB 463 Mechanical Properties:
Cov khoom siv kho tshuab ntawm ASTM B463 alloys sib txawv nyob ntawm seb yam xws li qib, tuab, thiab kev kho cua sov. Cov cuab yeej cuab tam muaj xws li lub zog tensile, lub zog tawm los, elongation, thiab hardness.
| Tensile zog, min |
Yield zog,Amin | ElongationB ua 2in. (50.8 hli), min,% |
|||||
| ksi ua | MPa | ksi ua | MPa | ||||
| 80 | 551 | 35 | 241 | 30 | |||
| Hardness Number, maxC | |||||||
| Brinell | Rockwell B | ||||||
| 217 | 95 | ||||||
ALub zog tawm los yuav tsum tau txiav txim siab los ntawm txoj kev offset ntawm 0.2 % txwv kev ruaj khov raws li Txoj Kev Xeem E 8. Lwm txoj hauv kev los txiav txim siab cov khoom muaj zog tuaj yeem ua raws li tag nrho txuas ntxiv nyob rau hauv kev thauj khoom ntawm 0.5%.
BElongation rau tuab, tsawg dua 0.015 hauv. (0.38 mm) yuav tsum yog 20% yam tsawg kawg nkaus, hauv 1 nti (25.4 mm).
COb leeg Brinell lossis Rockwell B hardness yog tso cai.
ASTM B463 Daim Ntawv Thiab Phaj Dimensions:
ASTM B463 qhia qhov ntev rau cov nplooj ntawv thiab daim hlau, nrog rau cov thickness, dav, thiab ntev yuav tsum tau ua kom cov khoom sib xws thiab zoo.
- txias dov phaj-cov ntaub ntawv 3⁄16 txog 3⁄8in. (4.76 txog 9.52 mm), suav nrog hauv thickness thiab tshaj 10 in. (254.0 mm) dav.
- kub dov phaj-cov ntaub ntawv 3⁄16 nyob rau hauv. (4.76 mm) thiab tshaj nyob rau hauv thickness thiab tshaj 10 in. (254.0 mm) nyob rau hauv dav.
- phaj-cov ntaub ntawv 3⁄16 nyob rau hauv. (4.75 mm) thiab tshaj nyob rau hauv thickness thiab tshaj 10 in. (254.0 mm) nyob rau hauv dav.
- daim ntawv-cov ntaub ntawv nyob rau hauv 3⁄16 nyob rau hauv. (4.75 mm) nyob rau hauv thickness thiab 24 nyob rau hauv. (609.6 mm) thiab tshaj nyob rau hauv dav. Khoom siv hauv qab 3⁄16in. (4.75 mm) nyob rau hauv thickness thiab nyob rau hauv tag nrho cov dav nrog Tsis muaj . 4 tag.
- strip-cov ntaub ntawv nyob rau hauv 3⁄16 nyob rau hauv. (4.75 hli) nyob rau hauv thickness thiab nyob rau hauv 24 nti.
Cov txheej txheem tsim khoom:
Cov txheej txheem tsim khoom rau ASTM B463 cov ntaub ntawv tuaj yeem suav nrog cov txheej txheem xws li kub dov, txias dov, annealing, thiab kho saum npoo kom ua tiav cov khoom xav tau thiab qhov ntev.
Kev kho cua sov Specifications
Txhawm rau tiv thaiv kev tawm tsam intergranular thiab ua kom muaj kev tiv thaiv corrosion ntau tshaj plaws, cov alloys yuav tsum tau ua kom tiav, cov txheej txheem thermal profile tshaj tawm - dov:
UNS N08020 (Alloy 20):Muab tso rau hauvStabilized -Annealedlub xeev, kub kho nyob rau hauv ib tug nruj ntau yam ntawm 1800℃F mus rau 1850℃F (982℃rau 1010 degree).
UNS N08026:Muab tso rau hauvKev daws -Annealedlub xeev, kub kho ntawm 2050℃F txog 2200℃F (1121℃rau 1204 degree).
UNS N08024:Muab nyob rau hauv tus qauvAnnealedmob, kub kho ntawm 1925℃F txog 1975℃F (1052℃rau 1079 degree).
Cov Kev Ntsuas Zoo:
ASTM B463 cov txheej txheem kuaj xyuas zoo yuav suav nrog:
- Kev tshuaj ntsuam xyuas tshuaj lom neeg: Ua tau siv cov tswv yim xws li kho qhov muag emission spectroscopy (OES) lossis inductively coupled plasma (ICP) tsom xam los txheeb xyuas cov alloy muaj pes tsawg leeg.
- Mechanical Testing: Muaj kev ntsuam xyuas tensile, hardness testing, thiab kev ntsuam xyuas cuam tshuam los ntsuam xyuas cov khoom siv thiab ua kom cov khoom ruaj khov.
- Dimensional Inspection: Siv cov cuab yeej xws li calipers, micrometers, thiab ntsuas ntsuas los txheeb xyuas qhov ntev thiab kam rau ua.
- Tsis yog-Kev Ntsuas Kev Ua Phem (NDT): suav nrog cov txheej txheem xws li kuaj ultrasonic (UT) thiab kuaj hluav taws xob (RT) txhawm rau txheeb xyuas cov teeb meem sab hauv yam tsis muaj kev cuam tshuam txog kev ncaj ncees ntawm cov khoom.
ASTM B463 N08020 PhajDaim ntawv thov:
ASTM B463 npib tsib xee-hlau-chromium alloys nrhiav kev siv hauv ntau qhov kev lag luam, suav nrog:
- Kev ua tshuaj lom neeg
- Petrochemicals
- Pharmaceuticals
- Kev ua zaub mov
- Marine engineering
ASTM Cov Qauv:
- A 262 Kev Ua Haujlwm txhawm rau txhawm rau txhawm rau cuam tshuam rau Intergranular Attack hauv Austenitic Stainless Steels
- B 880 Specification rau General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys
- E 8 Test Methods for Tension Testing of Metallic Materials
- E 10 Test Method for Brinell Hardness of Metallic Materials
- E 18 Test Methods rau Rockwell Hardness thiab Rockwell Superficial Hardness of Metallic Materials
- E 29 Xyaum siv cov lej tseem ceeb hauv cov ntaub ntawv xeem rau
- Txiav txim siab Conformance nrog Specifications
- E 140 Hardness Conversion Tables rau Hlau
- E 1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Tsub Alloys
Xaus:
ASTM B463 standardizes cov kev cai rau nickel-hlau-chromium alloys nyob rau hauv daim ntawv thiab phaj daim ntawv, xyuas kom meej lawv haum rau ntau yam kev lag luam daim ntawv thov. Kev ua raws li cov qauv no tau lees paub qhov zoo, kev ntseeg siab, thiab kev ua haujlwm ntawm cov ntaub ntawv no hauv qhov xav tau ib puag ncig.
Koom tes nrog HT PIPE rau koj cov khoom siv ASTM B463
HT PIPE tuav cov khoom lag luam ruaj khov ruaj khov ntawmAlloy 20 UNS N08020 daim hlaunrog rau cov yeeb nkab, flange, thiab kev cai ua ntej -fabricated spooling muaj peev xwm. Txhua qhov kev txiav txim nkoj ua tiav nrog ntawv pov thawj EN 10204 3.1 Mill Test Reports (MTR).
Thov Ib Daim Ntawv Tso Cai Dawblos ntawm peb pab neeg ua haujlwm tshwj xeeb niaj hnub no rau lub sijhawm ua haujlwm ceev, kev sib tham txog qhov project, thiab kev cia siab rau export logistics.
