Astm A588 Gr IB
Cov Khoom Piav Qhia ASTM A588 Gr B yog lub zog muaj zog, qis-alloy steel uas tuav qhov tseem ceeb hauv kev tsim kho thiab engineering. Cov qib steel no yog tsim tshwj xeeb los muab kev ua tau zoo thiab ua haujlwm ntev hauv ntau yam kev siv. Ib qho ntawm qhov tseem ceeb ...
Hauj lwm lawm
Khoom Description
ASTM A588 Corten Steel Phaj & Sheet Chemical Composition
| Qib ASTM A588 Gr.A | C | Mn | Cr | Si | N | Su | Cu | Ph | Ni |
| 0.19 Max | 0.80-1.25 | 0.40-0.65 | 0.30-0.65 | 0.010 | 0.040 | 0.25-0.40 | 0.05 | 0.05 |
ASTM A588 Corten Steel Phaj & Sheet Mechanical Properties
| Qib | Thickness | Yield zog ReH[N/mm2]transv.min | Tensile Strength Rm[N/mm2]transv |
| ASTM A588 Gr.A | 0mm-100 hli | 340kp ua | 480kp ua |
| 102mm -127 hli | 320 kpa ua | 460kp ua | |
| 127mm -203 hli | 290kp ua | 430kp ua |
Ib qho ntawm cov yam ntxwv tseem ceeb ntawm ASTM A588 Gr B yog nws qhov kev txhim kho atmospheric corrosion kuj. Cov cuab yeej no ua rau nws tsim nyog rau cov qauv uas raug huab cua hnyav thiab ib puag ncig sab nraum zoov. Lub peev xwm los tsim cov txheej txheem oxide tiv thaiv lub sijhawm yuav pab txo qis qhov kev xav tau ntawm kev tu thiab txheej txheej, txo cov nqi tag nrho lub neej.
Hais txog cov khoom siv kho tshuab, ASTM A588 Gr B nthuav tawm lub zog tensile zoo heev thiab lub zog tawm los. Qhov no ua rau nws tiv taus cov khoom hnyav thiab kev ntxhov siab, ua rau nws muaj kev xaiv zoo rau cov tsev, txuas hniav, thiab lwm yam kev tsim vaj tsev loj. Nws qhov toughness thiab ductility kuj ua rau nws muaj peev xwm nqus tau lub zog thiab tiv thaiv kev cuam tshuam tam sim ntawd, txhim kho kev nyab xeeb thiab ruaj khov ntawm cov qauv uas nws siv.
Weldability ntawm ASTM A588 Gr B yog lwm qhov tseem ceeb. Nws tuaj yeem ua tau yooj yim welded siv cov txheej txheem vuam ntau, tso cai rau kev ua haujlwm zoo thiab sib dhos ntawm cov txheej txheem nyuaj. Cov kws tshaj lij welders tuaj yeem tsim cov pob qij txha muaj zog thiab ruaj khov, ua kom muaj kev ncaj ncees ntawm tag nrho cov qauv.
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A588 Gr B yog ua tib zoo tsim kom ua tiav nws cov khoom xav tau. Kev suav nrog cov ntsiab lus xws li tooj liab, chromium, thiab npib tsib xee pab txhawb rau nws cov corrosion kuj, thaum manganese thiab silicon txhim kho nws lub zog thiab hardenability.
Thaum nws los txog rau kev tswj kom zoo, kev ua raws li cov qauv ASTM A588 yog qhov tseem ceeb. Qhov no suav nrog cov txheej txheem kev sim thiab tshuaj xyuas kom nruj kom ntseeg tau tias cov hlau ua tau raws li cov txheej txheem kho tshuab thiab tshuaj lom neeg. Cov kev sim ua tsis yog kev ua kom tsis txhob ua haujlwm yuav ua haujlwm txhawm rau txhawm rau txhawm rau txhawm rau sab hauv lossis tsis xws luag.
Hauv kev xaus, ASTM A588 Gr B muab cov kev daws teeb meem txhim khu kev qha thiab tus nqi tsim nyog rau kev thov cov qauv siv. Nws ua ke ntawm corrosion kuj, txhua yam muaj zog, thiab weldability ua rau nws yog ib qho kev xaiv rau engineers thiab architects tab tom nrhiav los tsim cov qauv ruaj khov thiab kav ntev.
Cim npe nrov: astm a588 grb, Tuam Tshoj astm a588 grb lwm tus neeg, hoobkas
