S31803 vs 316L vs S32750: Qhov txawv

Thaum xaiv stainless hlau cov ntaub ntawv rau roj & roj, tshuaj ua, marine, los yog siab piping systems, xaiv qhov tsis ncaj ncees lawm qib yuav ua rau kom ntxov ntxov corrosion, ntau tshaj tu nqi, los yog tshaj - specification.
Ntawm cov qib feem ntau sib piv, 316L, S31803 (Duplex 2205), thiab S32750 (Super Duplex 2507) sib txawv hauv kev siv lub zog, kev tiv thaiv corrosion, thiab tag nrho cov nqi lifecycle.

Nplooj ntawv no qhia txog qhov sib txawv tseem ceeb los pab cov engineers thiab pab pawg muag khoom xaiv cov khoom siv zoo.

 

S31803 vs 316L vs S32750: Khoom siv

Qib	Stainless hlau hom	Microstructure
316L	Austenitic	Siab austenitic
S31803	Duplex	~ 50% ferrite + 50% austenite
S32750	Super Duplex	Optimized duplex nrog cov ntsiab lus siab dua alloy

 

S31803 vs 316L vs S32750: Tshuaj muaj pes tsawg leeg thiab Corrosion Resistance

Qib	Ntsiab Alloying Elements	PREN*
316L	16-18% Cr, 10-12% Ni, 2-2.5% Mo	~24–26
S31803	21-23% Cr, 4.5-6.5% Ni, 2.5-3.5% Mo, N	~34–36
S32750	24-26% Cr, 6-8% Ni, 3-5% Mo, N	Ntau dua lossis sib npaug li 40

 

S31803 vs 316L vs S32750: Mechanical Properties

Qib	Lub zog muaj zog (0.2%)	Tensile zog
316L	~ 205 MPa	~ 515 MPa
S31803	Ntau dua lossis sib npaug li 450 MPa	620-880 MPa
S32750	Ntau dua lossis sib npaug li 550 MPa	800-1000 MPa

 

S31803 vs 316L vs S32750: Corrosion Performance in Service Environments

Ib puag ncig	316L	S31803	S32750
Chloride-cov kua dej	Txwv tsis pub	Zoo heev	Zoo heev
Kev nyuaj siab corrosion cracking	Raug mob	Siab tiv taus	resistant heev
Seawater kav dej	Txwv tsis pub	Haum (temperate temp)	Zoo tagnrho
Acid / tshuaj lom neeg	Nruab nrab	Zoo heev	Zoo heev

 

S31803 vs 316L vs S32750: Kub txwv

Qib	Pom zoo Kev Pabcuam Nruam Kub
316L	Txog li ~ 400 degree
S31803	~ 280-300 degree
S32750	~ 250-280 degree

 

S31803 vs 316L vs S32750: Tus nqi thiab Lifecycle tus nqi

Qib	Tus nqi ntawm cov khoom siv txheeb ze	Lifecycle Nqi Efficiency
316L	Tsawg	Nruab nrab ntawm qhov chaw me me
S31803	Nruab nrab	High nyob rau hauv corrosive / siab pab
S32750	Siab	Qhov zoo tshaj plaws rau huab cua puag ncig

 

 

S31803 vs 316L vs S32750: Daim ntawv thov

316L:Kev ua zaub mov, khoom siv tshuaj lom neeg, kev siv vaj tse

S31803 (Dubplex 2205):Roj & roj pipelines, tshav kub exchangers, siab hlab ntsha, desalination systems

S32750 (Super Duplex 2507):Offshore platforms, subsea piping, seawater txhaj tshuab

 

S31803 vs. 316L vs. S32750: Yuav xaiv li cas?

Qhov sib txawv ntawm S31803, 316L, Thiab S32750 Stainless Steel nyob rau hauv lawv cov Microstructure, Alloy Content, Strength, Thiab Corrosion Resistance.Rau feem ntau cov kav dej thiab cov ntawv siv siab, S31803 Muab Tus Nqi Zoo Tshaj Plaws -To-Kev Ua Haujlwm Feem Ntau, thaum S3270 L Environments Feem ntau Tseem tsim nyog rau cov kev pabcuam me me.

Yog tias koj muaj kev xav tau rau ib qho ntawm cov khoom saum toj no, thov koj xav tso qhov kev txiav txim. GNEE muaj cov khoom muag loj ntawm qhov zoo tshaj plaws - muag khoom rau koj xaiv. Cov ntaub ntawv no tuaj yeem ua tiav rau hauv ntau yam khoom siv, nrog rau cov phaj, coils, raj, tuav, thiab xaim. Rau cov ncauj lus kom ntxaws txog tshuaj muaj pes tsawg leeg thiab kuaj dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw thiab kev pabcuam zoo heev.