Cov hlau tsis muaj cua sov feem ntau muab faib ua peb hom, 309S, 310S thiab 253MA, cov hlau tsis muaj cua sov feem ntau yog siv rau hauv kev tsim cov boilers, chav turbines, industrial furnaces thiab aviation, petrochemical thiab lwm yam kev lag luam sectors nyob rau hauv lub kub kub ua hauj lwm. ntu.
1.309s: (OCr23Ni13) stainless hlau phaj
Cov yam ntxwv: Nws tuaj yeem tiv taus cua sov hauv qab 980 ℃, nrog lub zog kub kub, oxidation tsis kam thiab carburizing tsis kam.
Daim ntawv thov: cov khoom siv hluav taws xob, tuaj yeem siv los tsim cov hlau kub, Nws cov ntsiab lus chromium thiab npib tsib xee ua kom zoo corrosion kuj thiab oxidation kuj.
Piv nrog austenitic 304 alloy, nws muaj zog me ntsis ntawm chav tsev kub. Hauv lub neej tiag tiag, nws tuaj yeem rov ua kom sov ntawm 980 ° C kom tswj tau qhov kev ua haujlwm ib txwm muaj.310s: (0Cr25Ni20) stainless hlau phaj.
2.310s: (OCr25Ni20) stainless hlau phaj
Cov yam ntxwv: High chromium-nickel austenitic stainless hlau nrog zoo kub kub txhua yam khoom thiab zoo corrosion kuj nyob rau hauv oxidizing media. Haum rau kev tsim cov khoom siv hluav taws xob ntau yam, qhov kub siab tshaj 1200 ℃, siv tas li kub 1150 ℃.
Daim ntawv thov: cov khoom siv hluav taws xob, tsheb purification khoom siv.
310S stainless hlau yog ib qho zoo heev corrosion-resistant austenitic stainless hlau alloy uas yog siv nyob rau hauv ntau yam kub-kub thiab corrosive ib puag ncig. Nws yog qhov kev xaiv zoo tshaj plaws rau kev siv hauv kev lag luam petrochemical, tshuaj lom neeg, thiab kho cua sov, nrog rau cov khoom siv hluav taws xob thiab lwm yam kev siv kub. 310S stainless hlau phaj yog ib daim ntawv tiaj tus, nyias nyias ua los ntawm cov hlau tshwj xeeb no.
3.253MA (S30815) stainless hlau phaj
Cov yam ntxwv: 253MA yog qhov kub-resistant Austenitic stainless hlau tsim rau cov ntawv thov uas yuav tsum tau muaj zog nkag siab thiab zoo corrosion kuj. Nws qhov kev ua haujlwm kub yog 850-1100 ℃.
253MA yog hom tshwj xeeb ntawm cov hlau tsis muaj steel hlau uas tsim los rau cov ntawv thov kub. Nws muaj kev tiv thaiv zoo heev rau oxidation, sulfidation, thiab carburization ntawm qhov kub siab. Qhov no ua rau nws tsim nyog rau kev siv ntau yam kev lag luam, suav nrog cov uas muaj cua sov thiab xeb, xws li petrochemical, hluav taws xob tsim hluav taws xob, thiab cov khoom siv hluav taws xob.253MA nplooj ntawv yog nyias, tiaj daim ntawm cov khoom ua los ntawm cov hlau no. Lawv yog siv nyob rau hauv ntau yam kev siv uas ua ke ntawm high-temperature kuj thiab corrosion kuj yog ib qho tseem ceeb. Cov nplooj ntawv tuaj yeem raug txiav thiab tsim rau hauv cov duab sib txawv kom tau raws li qhov tshwj xeeb ntawm qhov project.
253MA Sheets, Phaj Chemical Composition
| Qib | C | Cr | Mn | Si | P | S | N | Ce | Fe | Ni |
| 253 MAS | 0.05-0.10 Nws | 20.0-22.0 Nws | 0.80 max | 1.40-2.00 Nws | 0.040 max | 0.030 max | 0.14-0.20 Nws | 0.03-0.08 Nws | Tshuav | 10.0-12.0 Nws |
253MA Plate Mechanical Properties
| Tensile zog | Yield zog (0.2% Offset) | Elongation (hauv 2 nti) |
| Psi: 87,000 | PSI 45000 | 40% |
253MA Phaj Corrosion kuj thiab lub ntsiab siv ib puag ncig:
1.Corrosion Resistance: 253MA boasts zoo heev oxidation kuj, high-temperature corrosion kuj, thiab zoo kawg li high-temperature mechanical zog. Nws muaj txiaj ntsig tshwj xeeb hauv qhov kub ntawm 850 txog 1100 ° C.
2.Temperature Range: Rau kev pom zoo, 253MA yog qhov zoo tshaj plaws rau kev siv nyob rau hauv qhov kub ntawm 850 txog 1100 ° C. Ntawm qhov kub ntawm 600 thiab 850 ° C, cov qauv kev hloov pauv tshwm sim, ua rau txo qis kev cuam tshuam ntawm qhov kub thiab txias.
3.Mechanical Strength: Cov hlau no tshaj cov hlau tsis zoo li qub, xws li 304 thiab 310S, nyob rau hauv cov nqe lus ntawm lub sij hawm luv luv tensile lub zog ntawm ntau yam kub los ntawm ntau tshaj 20%.
4.Chemical Composition: 253MA nta cov tshuaj muaj pes tsawg leeg uas tso cai rau nws ua haujlwm tshwj xeeb hauv qhov kub ntawm 850-1100 ° C. Nws nthuav tawm tsis tshua muaj siab oxidation tsis kam, tiv taus kub txog 1150 ° C. Nws kuj muaj superior creep kuj thiab creep puas lub zog.
5.Corrosion Resistance: Ntxiv rau nws lub peev xwm kub, 253MA qhia tau zoo heev rau kev kub siab corrosion thiab txhuam corrosion nyob rau hauv feem ntau gaseous ib puag ncig.
6.Strength: Nws muaj lub zog muaj zog thiab lub zog tensile ntawm qhov kub thiab txias.
7.Formability thiab Weldability: 253MA paub txog nws zoo formability, weldability, thiab machinability.
Post lub sij hawm: Oct-09-2023