304 vs 316 Stainless Steel: A siam dan, a hmin dan leh a thlan dan

info-813-502

Stainless Steel 304 leh 316 te hi eng nge an danglamna?

304 leh 316 stainless steel te hi austenitic stainless grade pahnih an ni a, mahse service environment a mamawh zual chuan an inthlak danglam thei lo. Technical lama danglamna pawimawh ber chu composition a ni: standard 304 hi chromium-nickel stainless steel a ni a, 316 hian molybdenum 2–3% vel a dah belh a, a tlangpuiin nickel range sang zawk a keng tel thung. Chu molybdenum dah belh chhan ber chu 316 hian a tlangpuiin chloride-bearing environment-a pitting leh crevice corrosion laka invenna tha zawk a pe a, chu chu tuipui kama boruak, chi bawlhhlawh, chemical washdown, leh process service thenkhatah te a ni. Chumi danglamna chu, 304 hi indoor equipment, mild atmosphere duty, leh chloride exposure tlemna hmuna fabricated parts te tan chuan general-purpose grade hman tlanglawn zawk a ni.

Chuvangin 304 leh 316 stainless steel inthlauhna hi a chakna leh a lan dan chungchang a ni ber lo. Standard annealed condition-ah chuan an basic mechanical level hi a inhnaih hle a, an pahnih hian sheet, plate, tube, pipe, fittings, tank leh fabricated equipment atan an hmang nasa hle. A inthenna tak tak chu corrosion margin a ni. Service chu a vawt, a thianghlim a, non-aggressive a nih chuan 304 hi a tawk fo thin. A chunglam chuan chloride, marine-adjacent exposure, emaw, tihfai chemistry khauh zawk emaw a hmuh chuan, 316 hian material base rintlak zawk a pe tlangpui. Chu chu engineering hmannaah stainless steel 304 leh 316 inkara practical difference chu a ni.

Material Classification 304 leh 316 Stainless Steel te a ni

304 leh 316 te hi a ni300-series austenitic stainless steel hmanga siam a nipawl. Chuvangin, tehkhin chu material class hrang hrang pahnih inkara ni lovin, chromium-nickel stainless steel inzawm tlat pahnih, forming leh welding behavior inang, chutih rualin chloride leh boruak khauh zawk thlalak a lo luh veleh corrosion performance danglam tak inkara tehkhin a ni.

He classification hi common mill product form hrang hrangah pawh a inzawm tlat a, chung zingah chuanstainless steel hmanga siam a ni, sheet, plate, pipe, leh tube te a ni. Coil application-ah chuan 304 leh 316 te hi fabrication, forming leh downstream processing atan supply theih an ni vek a, mahse service environment-in chloride-bearing moisture, salt deposits, emaw chemical exposure nasa zawk a rawn luh hnuah chuan inthlak danglam theih anga ngaih tur a ni lo.

Engineering lam atanga thlir chuan hei vang hian project inangah 304 leh 316 stainless steel te hi an khaikhin fo thin. An pahnih hian fabrication route inang tam tak an tihlawhtling thei a, chutih rualin service environment inangah chuan an chhang let ve ve lo.

304 and 316 stainless steel comparison stainless steel coil

Stainless Steel 304 leh 316 inkara Composition danglamna

304 leh 316 Stainless Steel hmangin chemical gap chu a dik a ni. Standard 304 hi chromium leh nickel hmanga siam a ni. Standard 316 hian base ang chiah hi a hmang a, mahse molybdenum a dah belh a, a tlangpuiin nickel range sang zawk a keng tel bawk. Chu chu chloride resistance a pawimawh zual hunah 316 thlan a nih chhan ber a ni.

Thil	304 a ni a, stainless steel a ni	316 stainless steel hmanga siam a ni	Technical lama chhiar tur a ni
Grade designation hman tlanglawn tak	Type 304 a ni	Type 316 a ni	An pahnih hian 300 series-a standard austenitic stainless steel an ni.
UNS / EN tih hming pu a ni	S30400 / 1.4301	S31600 / 1.4401	Article chu technical zawk leh consumer-oriented lo zawka lan a ngaih hunah a tangkai hle.
Chromium (Cr) a ni.	18.0–20.0%	16.0–18.0%	Grade pahnih hi passive-film siamna leh basic stainless behavior atan chromium-ah an innghat a ni.
Nickel (Ni) a ni.	8.0–10.5%	10.0–14.0%	316 hian nickel range sang zawk a keng tlangpui.
Molybdenum (Mo) a ni.	-	2.0–3.0%	Hei hi 316-a chemistry upgrade ber a ni a, chloride-bearing environment-a a performance tha zawk chhan pawimawh ber a ni.
Carbon (a tam ber) a ni.	0.08%	0.08%	Standard grade hrang hrang; low-carbon L grades hi welding leh intergranular corrosion control a pawimawh zawkna hmunah thlan a ni tlangpui.
Manganese (a tam ber) a ni.	2.00%	2.00%	Standard chemistry-ah pawh base limit inang chiah chiah a ni.
Silicon (a tam ber) a ni.	0.75–1.00%*	0.75–1.00%*	Alloying hna tenau tak tak; limit hi reference hman dan azirin a danglam tlem hle.
Phosphorus (a tam ber) a ni.	0.045%	0.045%	Chutiang bawkin bawlhhlawh limit.
Sulphur (a tam ber) a ni.	0.030%	0.030%	Chutiang bawkin bawlhhlawh limit.
Nitrogen (a tam ber) a ni.	0.10%	0.10%	Standard limit inang chiah, mahse nitrogen-modified variants chu basic comparison pawnah a awm.
Main composition-a innghat thliar hranna	Cr-Ni stainless steel hmanga siam a ni	Cr-Ni-Mo stainless steel hmanga siam a ni	304 leh 316 stainless steel danglamna hi a bik takin amolybdenum-driven corrosion danglamna, mechanical-class danglamna lian tak a ni lo.

Download:Stainless Steel 304 leh 316 inkara Composition danglamna

He table hian a chhan sawifiah a ni 304 leh 316 stainless steel danglamna a nitih hi strength upgrade hmasa anga sawi a ni lo. Chemistry-driven corrosion upgrade a ni.

Corrosion resistance hi inthenna line ber a ni

Installation tak tak tam takah chuan zawhna awm chu thil pahnih hi stainless an ni em tih hi a ni lo va, hun kal zelah 304 rintlak loh zawka siam turin environment-ah chloride a awm tawk em tih hi a ni. Chlorides hi 304 leh 316 stainless steel tehkhin thu hi a pawi zawkna hmun a ni. Salt spray, tuifinriat boruak, deicing salt, chlorine-bearing cleaners, leh process chemical thenkhat chuan 304 chu 316 aia hmain staining, pitting, emaw crevice corrosion-ah a nawr thei a ni.

316 hian molybdenum a neih vang mai maiin corrosion lakah a him lo. A la nei tlem hle. Mahse chloride-bearing service tan chuan a tlangpuiin 304 aiin operating margin zau zawk a pe a ni.

Service dinhmun	304 a ni a, stainless steel a ni	316 stainless steel hmanga siam a ni	Technical chhiarna chipchiar zawk
Indoor boruak vawt tak	A tlangpuiin a remchang	Tin, a remchang bawk	Dry indoor service-ah chuan contamination tlem leh chloride-bearing deposit awm lohnaah chuan 316-a corrosion advantage hi thutlukna siamtu a ni lo fo. Grade thlak danglamna aiin surface finish, cleaning leh fabrication quality te hi a pawimawh zawk mai thei.
Pawn lam boruak lum tak, chi atanga hla takah	Vawi tam tak chu a remchang	Tin, a remchang bawk	Salt deposition chak tak nei lo exterior service atan chuan grade pahnih hian an thawk tha thei a, mahse tea staining, surface contamination, drainage, leh finish condition te hian a lan dan leh long-term performance a la nghawng reng a ni.
Coastal atmosphere / tuipui-a kianga awm	Staining leh pitting nei tam zawk	A tlangpuiin duh zawk	Tuipui boruakah chuan 316 hi thlan a ni tlangpui a, a chhan chu molybdenum dah belh hian chloride laka invenna a tichak zawk a ni-driven pitting leh crevice corrosion. 304 hi tuipui kama awm mild thenkhatah chuan hman theih a la ni a, mahse margin a tawi zawk a, enkawl a pawimawh zawk a ni.
Tap tui service a ni	Tui quality a zirin pawm theih a ni fo	A tlangpuiin a tolerant zawk	ASSDA chuan 316 hian tap tui hnuai lam deuhah hna a thawk tha hle tih a tarlangChloride 250 ppm a ni. Chu chuan automatic-in 304 chu a tling lo tih a tilang lo a, mahse chloride content a san chhoh emaw, service rintlakna tur thil tih khauh zawk emaw a nih chuan 316 hi duhsak a nih fo chhan a tilang chiang hle.
Neutral aqueous service chu ambient temperature-ah, crevices awm lovin	A hman theih thlengin a awm theiChloride 200 ppm a ni	A hman theih thlengin a awm theiChloride 1000 ppm a ni	ASSDA-in immersed neutral service atana kaihhruaina a siamah hian indicative selection line a awm a:304/304L chu chloride 200 ppm vel a ni, 316/316L chu chloride 1000 ppm vel a ni. Hengte hi universal design limit a ni lo va; crevices, deposit, temperature, leh pH te hian tolerance a ti tlem thei a ni.
Tui bawlhhlawh / chloride tui hniam-to-a hniam	Marginal ah chuanChloride 200–1000 mg/L a nicondition a zirin a ni	A tlangpuiin range inangah duh zawk	World Stainless chuan Type 304 chauh hi a ni thei tih a tarlangmarginally satisfactory tak a niin a tlangpuiinChloride 200–1000 mg/L a nirange, chutih laiin Type 316 chu chutah chuan duhthlan tur a ni. Hei hi nominal grade ang bawka crevices leh stagnant conditions a pawimawh chhan entir nan a tha hle.
Chloride-bearing washdown / ei tur emaw process tihfai	Chloride level, contact time, leh dry-down residues a zirin a tlem thei	A tlangpuiin a resistant zawk	Repeated washdown atan chuan variable pawimawh tak tak chu chemistry thianghlim zawk chauh ni lovin concentration, temperature, rinse quality, leh drying hnua chlorides chu a chung lamah a awm reng em tih te hi a ni. 316 hian operating margin zau zawk a pe tlangpui.
Acid chloride media / process chemistry nasa zawka hman a ni	Vawi tam tak chu a tling lo emaw, a tlem hle emaw	A then phei chuan 304 aia tha zawk, mahse medium-specific a la ni tho	Acidic emaw neutral chloride solution-ah chuan pitting leh crevice corrosion te hi ngaihtuah ber a ni. Outokumpu chuan chromium, molybdenum leh nitrogen tihpun hian resistance a tichak tih a sawi a, mahse 316 pawhin chloride-acid service chak zawkah hian limit chiang tak a nei tih a sawi.

Plant hnathawh, ei tur siamna, utility skids, enclosure, leh fabricated assembly te tan chuan hei hi section pawimawh ber a ni fo thin. Chemical hmingte hi service-a surface-in a hmuh tak tak tur aiin a pawimawh lo zawk.

stainless steel 304 and 316 stainless steel

304 leh 316 Stainless Steel te Mechanical Property tehkhin dan

Mechanical-property lam atanga thlir chuan .304leh316tehkhin dan awlsam zawk tam takin an sawi aia hnai zawk an ni.Commonly cited flat-rolled product specification hnuaiah chuan grade pahnih hian minimum inang an nei vek a nitensile chakna a ni, yield chakna a pe chhuak thin, lehelongation tih hi a niannealed condition ah a awm. Chuvangin application tam takah chuan grade decision hi room-temperature strength-in a khalh hmasa lo va, corrosion environment, fabrication route, leh service medium-in a khalh hmasa zawk a ni. World Stainless / Atlas-in ASTM A240/A240M flat-rolled product atana a khaikhawm grade sheet hnuaiah, an pahnih hian304leh316tih hi tarlan a ni515 MPa a tlem berah tensile strength a ni, 205 MPa a tlem berah 0.2% proof chakna a ni, leh40% a tlem berah elongation a ni.

Technical reading tangkai zawk chu grade pahnih hi structural baseline inang tak atanga tan a ni a, mahse secondary property emaw fabrication ngaihtuah zawng zawngah chuan an inang lo vek a ni.316cited flat-rolled data-ah maximum hardness sang deuh deuh a phalsak a, chutih laiin304leh316an pahnih hian austenitic grade an la ni reng a, chu chu a tlangpuiin a tichak a niheat treatment ai chuan cold work a ni zawk. He source set vek hian heavy welded sections in316lam pan chuan an kal fo thin316Lcarbide precipitation risk tihtlem a ngaihna hmunah, chutih laiin304Lchutiang bawkin welding leh intergranular corrosion control a pawimawh zawkna hmunah pawh hman a ni.

Thil neih / technical point a ni	304 a ni a, stainless steel a ni	316 stainless steel hmanga siam a ni	Technical lama chhiar tur a ni
Tensile chakna, min.	515 MPa a ni	515 MPa a ni	Cited flat-rolled product data hnuaia minimum tensile requirement-ah headline danglamna awmze nei a awm lo.
Yield chakna, 0.2% proof, min.	205 MPa a ni	205 MPa a ni	Base structural level hi a bul berah chuan annealed condition-ah chuan a inang vek a ni.
50 mm-a sei, min.	40%	40%	Grade pahnih hian ductility sang tak an vawng reng a, forming mamawhna hmunah chuan an hmang nasa hle.
Rockwell B khauhna, max.	92 HRB a ni	95 HRB a ni	316 chu cited grade sheet-ah hian maximum hardness sang deuh deuh phalsak a ni.
Brinell khauhna, max.	201 HB	217 HB	Hetah pawh hian danglamna tlemte, mahse a tlangpuiin main selection driver a ni lo.
Ti chakna tihchak dan	Cold-hnathawh chu practice-ah a chak zawk	Cold-hnathawh chu practice-ah a chak zawk	Grade pahnih hi a tlangpuiin heat-treatment strength advantage vangin thlan a ni lo.
Carbon hniam-carbon weld theihna option	304Lwelding leh intergranular corrosion control pawimawhna hmuna hman tlanglawn tak	316Lservice corrosive zawkah pawh a chhan ang chiah avanga hman tlangpui	"L" grade te hi welded fabrication ah hian simple 304 vs 316 label chauh aiin a pawimawh zawk.
Dual-certified stock a ni	304 / 304L dual certification hi plate, pipe, leh round bar-ah te a awm fo thin	316 / 316L dual certification hi plate, pipe, leh round bar-ah te pawh a awm fo	Stock delivered tak tak chu material test certificate nena khaikhin a ngai fo thin a, grade description tawi atanga ngaihtuah a ngai lo.

Download:304 vs 316 Stainless Steel: Mechanical Properties leh thlan dan tur dik tak

Hei vang hian 304 leh 316 stainless steel tehkhin hi environment hmanga chinfel a ni tlangpui a, room-temperature mechanical strength inthlak danglamna nasa tak avang ni lovin.

Engtikah nge 304 Stainless Steel thlan tur

304chu service thianghlim, a chhe deuh, chloride deposition emaw salt retention emaw avanga khalh loh hmunah thlan a ni tlangpui. Case tlangpui chu:

Indoor machinery khuhna, enclosure, leh support parts te a awm bawkdry workshop-ah te, utility room-ah te, packaging line-ah te, leh general manufacturing space-ah te boruak a nghet a, chi bawlhhlawh a awm beisei loh hmunah te.
Chaw-biak emaw kitchen-fabricated parts emawbench, sink, splash panel, light-duty tank, leh tubing te chu routine cleaning a ngai a, mahse cleaning chemistry chu chloride-based chak lo leh hmanruaah concentrated salt residue awm lovin a awm a ni.
Architectural leh decorative lama thil siam chhuah tepawn lam emaw chhung lam hmun him taka hman thin, non-marine environment-a trim, handrail, column cover, leh panel assembly te pawh a tel.
Process leh utility component hrang hrangtecover, housing, instrument bracket, access panel, leh light-duty tubing ang chi te, a mamawh ber chu chloride attack laka invenna aiin general corrosion resistance a ni.
Storage leh fabrication thil chi hrang hrangcabinet, worktable, chute, hopper, leh non-immersed tank-ah te, tui a inthlak a, drainage a tha a, deposit te chu a chung lamah rei tak a awm lo.
Welded fabrications te chu mild service ah an awmenvironment-in molybdenum-bearing grade-a kal a dik lohna hmunah, leh 304 emaw 304L emaw chuan corrosion leh fabrication performance mamawh a tlin tawhna hmunah.

Engtikah nge 316 Stainless Steel thlan tur

316chu service environment-in chloride load nghet zawk, washdown chemistry khauh zawk, emaw, pitting leh crevice corrosion hlauhawmna nasa zawk a rawn luh chuan thlan a ni tlangpui. Case tlangpui chu:

Coastal leh marine-a kianga thil siamtepawn lam railing, instrument box, hmanrua frame, ladder, leh access platform te chu chi-a tamna boruak, thli{1}}borne deposits, emaw splash-contaminated surroundings-a awm te ang chi te hi a ni.
Washdown-processing hmanrua rit tak takei leh in, damdawi siamna, emaw chemical plant-ah chuan a chunglam chu cleaning solution, disinfectant, leh wet-dry cycle-a a awm nawn leh a, chu chuan corrosive residue a hnutchhiah a ni.
Pawn lam utility leh process hardware te a awm bawkpipe support, clamp, junction box, valve guard, leh fabricated bracket te chu maintenance interval inkar a deicing salt, industrial fallout, emaw chloride-bearing deposit te chu lei chung a awm rengna hmuna dah te a ni.
Tank, tubing, leh fabricated assembly te a awm bawkhandling media emaw process conditions 304 aia corrosion margin sang zawk mamawhna chuan a pe thei a, a bik takin crevices, gasket line, lap joint, emaw low-drainage details te chu design-a tel ve a nih chuan.
Chemical plant leh tuipui kama-service siamna techutah chuan boruak chu a na lo lutuk a, alloy system sang zawk mamawh a ni lo va, mahse a la aggressive tawk a, 304 chu staining, pitting, emaw premature surface attack-ah a hlauhawm zawk ang.
Dam rei zawk-pawn lam hmanruachutah chuan appearance retention, maintenance frequency tihtlem, leh chloride-related pitting laka invenna tha zawk chu initial material cost tihtlem ai chuan a pawimawh zawk a ni.

A thlawna quotation pek theih a ni

FAQ

01.Pawn lama hman atan 304 stainless steel aiin 316 hi a tha zawk fo em?

No. Salt deposition atanga hla takah pawn lama service nalh takah chuan, .304a tawk fo thin.316a chunglam a inhriat chuan duhthlan tur tha zawk a lo ni ta a nichlorides, tuipui kama boruak, deicing salt emaw, thil awm reng reng emaw te pawh a awm thei.

02.Eng chloride level-ah nge 304 hi 316 stainless steel-ah tihsan tur?

Kaihhruaina chhuah tawh anginneutral, boruak lum leh vawt-temperature service, 304/304Ltih hi a ni fo thinChloride 200 ppm a ni, laiin316/316Labout thlengin a zau thei1000 ppm a ni. Crevices, temperature, deposit leh passivation tha lo te hian chutiang limit chu a tihziaawm thei a ni.

03.Welded fabrication atan chuan 304 vs 316 emaw 304L vs 316L emaw hi ka khaikhin tur em ni?

Welded equipment tan chuan tehkhin nan a tangkai zawk fo thin304L leh 316L te an ni, a chhan chulow-carbon L grades a niwelding leh post-weld corrosion control pawimawhna hmunah chuan duh zawk an ni. 304L leh 316L inkara duhthlanna hian service environment tak tak a la zawm tur a ni.

04.316 stainless steel hi tuifinriat tui emaw hot chloride service atan a tha em?

Automatic takin a ni lo.316tih aiin a tha zawk304, mahse a niuniversal tuifinriat tui grade a ni lo. ASSDA chuan tuifinriat tui a awm tih a hriatpuiChloride 20,000 ppm a ni, leh chloride lum lutuk hian safe operating window chu a ti tawi zual thei bawk.