Tus nqi ntawm SS 316LN Phaj Ib kg yog dab tsi?

SS 316LN stainless hlau phajoccupies ib tug tshwj xeeb pricing tier saum tus qauv 316L. Qhov sib ntxiv ntawm kev tswj cov nitrogen (0.10–0.22%) muab lub ntsiab lus siab zog yam tsis muaj kev cuam tshuam corrosion tsis kam - tab sis nws kuj ua rau cov khoom siv ntau thiab cov nqi raw khoom. Phau ntawv qhia no piav qhia txog dab tsi ua rau tus nqi 316LN ib kg, qhov ntau npaum li cas cov neeg yuav khoom yuav tsum xav, thiab yuav ua li cas thiaj li muaj txiaj ntsig zoo tshaj plaws.

SS 316LN yog nitrogen- txhim kho, qis- carbon variant ntawm lub qhov dej- tsim 316 austenitic stainless hlau tsev neeg. Lub npe lov raws li nram no: '316' yog hais txog lub hauv paus alloy (18% Cr, 12% Ni, 2.5% Mo); 'L' qhia tias qis carbon (C Tsawg dua lossis sib npaug li 0.03%); thiab 'N' qhia txog kev txhob txwm tshaj tawm nitrogen ntxiv (0.10–0.22%).

Nitrogen yog ib qho tshwj xeeb ntxiv dag zog rau hauv cov hlau tsis muaj austenitic. Txawm tias me me ntxiv ua kom muaj zog tawm los ntawm - feem ntau yog 30-40 MPa piv rau 316L - yam tsis muaj kev cuam tshuam cov weldability lossis corrosion kuj. Qhov kev sib xyaw ua ke ntawm cov khoom no ua rau 316LN alloy ntawm kev xaiv rau siab- cov ntawv thov tseem ceeb thiab cryogenic qhov twg cov qauv tsim kom muaj kev ntxhov siab ntau dua.

Min. Yield zog

Ntau dua lossis sib npaug li 205 MPa

vs ~ 170 MPa rau 316L

Min. Tensile zog

Ntau dua lossis sib npaug li 515 MPa

ASTM A240 yuav tsum tau

Nitrogen ntsiab lus

0.10–0.22%

Lub zog tseem ceeb tsav tsheb

Cov ntsiab lus carbon

Tsawg dua lossis sib npaug li 0.03%

Tsawg- carbon qib

Chromium

16.0–18.0%

Corrosion kuj

Molybdenum

2.0–3.0%

Pitting kuj

Tus nqi ntawm SS 316LN stainless hlau phaj hloov pauv raws li cov khoom lag luam raw khoom, ntim ntau lawm, xaj loj, phaj qhov ntev, thiab thaj chaw muab khoom siv. Cov lus hauv qab no qhia txog tus nqi sib txawv raws li cov ntaub ntawv kev lag luam los ntawm 2024-2025.

SS 316LN Plate Price Per kg Current Market Overview

Cov nuj nqis no sawv cev rau zeb-theem lossis tus faib khoom- theem tus nqi hauv USD thiab muab raws li cov qauv siv. Tus nqi lag luam tiag nyob ntawm seb muaj pes tsawg, qhov tshwj xeeb, qhov chaw tiav, thiab cov ntsiab lus xa khoom.

Phaj Thickness	Dav × Length (mm)	Est. Nqe (USD / kg)	Sau ntawv
3-6 hli	1000×2000 / 1220×2440	$4.80 – $6.20	Kub dov, annealed & pickled
6-12 hli	1500 × 6000 / kev cai	$4.50 – $5.90	Standard structural ntau yam
12-25 hli	1500 × 6000 / kev cai	$4.30 – $5.60	Siab lub nkoj phaj
25-50 hli	1500 × 4500 / kev cai	$4.60 – $6.00	Hnyav phaj; ntev txhuas lub sij hawm
50-100 hli	Kev cai nkaus xwb	$5.20 – $7.50	Kev txiav txim tshwj xeeb; MOQ siv tau

Qhov tseem ceeb: Cov nqi saum toj no yog cov cim ntsuas ntsuas nkaus xwb, hais tawm ex-ua haujlwm (EXW) lossis FOB qhov chaw nres nkoj loj. Freight, lub luag haujlwm, daim ntawv pov thawj, thiab kev ua cov nqi ntxiv yog ntxiv. Nco ntsoov thov ib daim ntawv hais txog koj qhov tshwj xeeb qhov ntev, kom muaj nuj nqis, thiab cov khoom xa tuaj.

Cov neeg yuav khoom feem ntau sib piv 316LN ncaj qha rau nws cov txheeb ze. Kev nkag siab txog tus nqi them nqi thiab qhov koj tau txais rov qab yog qhov tseem ceeb rau kev txiav txim siab nqi - cov khoom siv tau zoo.

Qib	Tus nqi (USD / kg)	Yield zog	Qhov Tseem Ceeb
316	$3.80 – $4.80	~ 170 MPa	Standard molybdenum qib
316L	$4.00 – $5.00	~ 170 MPa	Tsawg carbon; qhov zoo tshaj plaws weldability
316 LN ib	$4.30 – $6.20	Ntau dua lossis sib npaug li 205 MPa	Tsawg carbon + nitrogen; muaj zog dua
316 Ti	$4.50 – $6.00	~ 175 MPa	Titanium{0}}stabilized; rhiab heev kuj
317L	$5.00 – $6.80	~ 205 MPa	Siab dua Mo; superior chloride kuj

Tus nqi 316LN tshaj 316L feem ntau yog $0.30–$1.20/kg nyob ntawm kev ua lag luam. Qhov kev hwm no yog qhov tsim nyog thaum daim ntawv thov yuav tsum muaj kev tsim qauv siab dua (raws li ASME Tshooj II lossis EN 10028-7), txo cov phab ntsa tuab thiab tag nrho cov khoom hnyav - uas tuaj yeem cuam tshuam lossis tshem tawm cov nqi sib txawv ntawm ib kg.

Key Factors That Drive SS 316LN Plate Pricing

1. Raw Khoom Nqis: Nickel, Molybdenum, thiab Nitrogen

Peb alloying ntsiab dominate tus nqi qauv ntawm 316LN phaj. Nickel (12% cov ntsiab lus) yog ib tus nqi loj tshaj plaws thiab cov khoom lag luam tsis hloov pauv hauv cov nqi stainless hlau. Molybdenum (2.5% cov ntsiab lus) ntxiv tus nqi them ntxiv rau hauv paus 304- qib tsev neeg. Nitrogen, thaum tam sim no nyob rau hauv me me, yuav tsum tau tswj steelmaking tej yam kev mob (argon-oxygen decarburization nrog nitrogen txhaj), ntxiv cov txheej txheem nqi.

Alloying Element	Kwv yees li. Cov ntsiab lus hauv 316LN	LME/Kev Lag Luam Tus Nqi (2024)	Nqe rhiab heev
Nickel (Ni)	10.0–14.0%	$13,000 - $21,000/tonnes	Siab heev
Molybdenum (hli)	2.0–3.0%	$18 – $32/lb (ferro-Mo)	Siab
Chromium (Cr)	16.0–18.0%	$8 – $14/lb (ferro-Cr)	Nruab nrab
Nitrogen (N)	0.10–0.22%	Txheej txheem- tswj tus nqi	Tsawg – Nruab Nrab

2. Mill Surcharges

Txhua tus neeg tsim khoom lag luam stainless hlau siv cov hlau nplaum ntxiv uas txav txhua hli nyob rau hauv kab nrog cov nqi hlau puag. Cov surcharges no ntxiv rau lub hauv paus dov los yog fabrication nqi. Rau 316LN, tus nqi npib tsib xee yog tus nqi sib txawv tseem ceeb thiab tuaj yeem hloov tus nqi xa los ntawm $ 0.50-1.50 / kg hauv ib xyoos. Nco ntsoov xyuas lub sij hawm them nqi tam sim no thaum npaj ib qhov project.

3. Phaj Dimensions thiab Tolerances

Standard sizes (e.g., 1500 × 6000 mm) are stocked and priced competitively. Non-standard widths, extra-long lengths, or tight thickness tolerances (e.g., ±0.1 mm) require special rolling schedules, generating a size premium. Heavy plates (>50 mm) feem ntau xav tau kev hla ntxiv thiab cais cov kev kho cua sov, ntxiv cov nqi ntxiv.

4. Nto tiav thiab xwm txheej

Cov lus hauv qab no qhia txog yuav ua li cas deg tiav specification cuam tshuam tus nqi ntawm 316LN phaj:

Finish Designation	Kev piav qhia	Yam Premium vs . 2B
2B (tus qauv)	Txias dov, annealed, tawv nqaij - dhau	Lub hauv paus
Tsis yog . 1 (HR/AP)	Kub dov, annealed, pickled	-5-0% (qis dua)
BA (zeeg)	Bright annealed; xav txog	+8–15%
Tsis yog . 4	Txhuam / taw qhia satin tiav	+12–20%
Electropolished	Chemically smoothed; qib hygienic	+20–35%

5. Order Quantity thiab Lead Time

Stainless steel plate pricing follows classic volume economics. Mill direct orders (typically >10 tonnes ib kab khoom) nyiam tus nqi qis tshaj rau -kg nqi. Distributor stock purchases for me quantities nqa a markup of 5-15% over mill price. Kev txiav txim ceev uas yuav tsum tau them tus nqi thauj khoom lossis qhov tseem ceeb ntawm kev dov yuav raug them nqi ntxiv ntawm 3-10%.

Geographic qhov chaw, ntshuam lub luag hauj lwm, logistics nqi, thiab lub zos ua lag luam dynamics tag nrho cov cuam tshuam tus nqi xa ntawm 316LN phaj. Cov kev ntsuas hauv cheeb tsam hauv qab no yog raws li tus neeg faib khoom- theem tus nqi rau tus qauv 6-12 hli tuab, 2B daim hlau tiav:

Thaj tsam	Tus nqi ntau (USD / kg)	Cov Ntsiab Lus cuam tshuam
Tuam Tshoj (hauv tsev)	$3.80 – $4.80	Loj -loj ntau lawm hauv zos; kev sib tw export nqi
Is Nrias teb (ntshuam)	$4.20 – $5.40	Import lub luag haujlwm; loj hlob domestic muaj peev xwm
Teb chaws Europe (EU ua lag luam)	$5.00 – $7.00	Cov nqi zog; EU tiv thaiv- kev ntsuas pov tseg; daim ntawv pov thawj zoo
Tebchaws Meskas	$5.50 – $7.50	Nqe 232 tariffs; Yuav Asmeskas cov kev cai hauv qee qhov haujlwm
Middle East / Gulf	$4.80 – $6.50	Ntshuam logistics; qhov project-Volume discounts common
Southeast Asia	$4.40 – $5.80	Tsawg logistics nqi los ntawm Asia mills; loj hlob thov

Consolidate Orders

Yog tias ua tau, muab koj cov 316LN phaj xav tau thoob plaws cov haujlwm lossis kev yuav khoom mus rau hauv ib qho kev txiav txim. Mill yam tsawg kawg nkaus pib ntawm 3-5 tonnes; Tshaj 10-20 tonnes ib qho kev txiav txim qhib qhov sib tw nqi sib tw tshaj plaws.

Qhia kom raug - Zam dhau -Specification

Ntau tus neeg yuav khoom ua ntej kom nruj dua los yog siab dua - qhov kawg ntawm qhov kawg tshaj qhov lawv daim ntawv thov tiag tiag xav tau. Qhia meej 2B tiav (tus qauv) es tsis txhob No. 4 lossis electropolished, thiab lees txais ASTM zeb tolerances es tsis txhob nruj dua kev cai txwv, tuaj yeem txo cov nqi los ntawm 10–30% yam tsis muaj kev cuam tshuam kev ua haujlwm.

Xauv hauv Tus Nqi Tawm Tsam Nickel Surcharges

Rau cov haujlwm loj lossis ntev -ntev sijhawm, xav txog kev sib tham txog kev them nyiaj ruaj khov lossis tus nqi- hloov kho txoj hlua khi rau London Hlau Txauv (LME) nickel index. Qhov no tiv thaiv koj qhov project pob nyiaj siv los ntawm nruab nrab - qhov project cov nqi nce ntxiv.

Thov Mill Test Reports thiab Certified Origin

Ib txwm hais rau EN 10204 3.1 lossis 3.2 cov ntaub ntawv xeem cov ntaub ntawv (MTRs) lees paub cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab cov xov tooj cua sov traceability. Cov ntaub ntawv pov thawj los ntawm cov mills uas muaj npe nrov (tseem ceeb hauv tsev lossis kev pom zoo ntshuam tuaj) hais kom tus nqi qis tab sis tshem tawm cov kev pheej hmoo zoo thiab muaj peev xwm ua haujlwm qeeb.

316LN tus nqi hwm yog tsim nyog thaum daim ntawv thov tau txais txiaj ntsig los ntawm nws qhov kev tsim qauv siab dua. Cov haujlwm tseem ceeb thiab cov ntawv thov uas 316LN phaj yog tus qauv lossis kev xaiv nyiam suav nrog:

Kev lag luam / Sector	Daim ntawv thov	Vim li cas 316 LN?
Nuclear zog	Reactor coolant piping, ntim liners	ASME Sec. III tso cai kom muaj kev ntxhov siab ntau dua
Roj & roj	Cov hlab ntsha siab, lub plhaub cais, lub taub hau flanges	Lub zog siab dua txo cov phab ntsa tuab
Cryogenic / LNG	LNG cia tso tsheb hlau luam, lub thawv txias, kav dej ntawm -196 degree	ruaj khov toughness ntawm qhov kub tsis tshua muaj siab
Kev ua tshuaj lom neeg	Reactor hlab ntsha, tshav kub exchanger plhaub, kab	Corrosion tsis kam + lub zog hauv kev tawm tsam hnyav
Tshuaj	Bioreactors, CIP systems, cia nkoj	Cleanability, tsawg carbon, ua raws
Desalination	Siab hlab ntsha, membrane vaj tse, pipework	Chloride tsis kam + lub zog

Q: Tus nqi raug nqi ntawm SS 316LN phaj ib kg hauv 2025 yog dab tsi?

A: Nyob rau hauv 2025, SS 316LN phaj yog luv nqi ntawm $4.30 thiab $7.50 ib kg nyob ntawm thickness, tiav, txiav txim kom muaj nuj nqis, thiab cheeb tsam. Txheem 6-12 hli daim hlau hauv 2B tiav feem ntau poob rau hauv $ 4.50- $ 5.90 / kg ntau rau kev lag luam ntim.

Q: Vim li cas 316LN kim dua 316L?

A: 316LN yuav tsum muaj kev tswj xyuas cov txheej txheem steel ntau dua los qhia cov nitrogen kom meej nyob rau hauv 0.10-0.22% qhov tshwj xeeb qhov rai. Qhov no yuav tsum tau ntxiv AOD (Argon Oxygen Decarburization) lub sijhawm ua haujlwm thiab kev tswj xyuas nruj dua, ntxiv cov nqi tsim khoom. Qhov txiaj ntsig zoo ntawm lub zog nws muab feem ntau offsets tus nqi no hauv kev siv cov qauv.

Q: Kuv puas tuaj yeem hloov 316L rau 316LN kom txuag tau nqi?

A: Tsis yog nyob rau hauv txhua rooj plaub. Yog tias daim ntawv thov raug tsim los rau ASME, EN, lossis sib npaug ntawm cov hlab ntsha siab uas tau teev tseg 316LN rau nws qhov kev ntxhov siab siab dua, kev hloov pauv tsis tso cai yam tsis muaj kev tshuaj xyuas engineering. Hauv cov ntawv thov uas 316LN tau teev tseg rau kev tiv thaiv corrosion nkaus xwb (tshwj tsis yog lub zog), 316L tuaj yeem yog lwm txoj kev siv tau - ib txwm sab laj tus qauv tsim thiab koj txoj cai engineering.

Q: Puas yog tus nqi ntawm 316LN txawv ntawm lub teb chaws ntawm lub hauv paus chiv keeb?

A: Yog, tseem ceeb heev. Suav - keeb kwm 316LN phaj feem ntau sawv cev qis tshaj - tus nqi xaiv thoob ntiaj teb, thaum European lossis Nyij Pooj cov khoom siv tau txais txiaj ntsig uas cuam tshuam txog cov nqi tsim khoom ntau dua, cov nqi hluav taws xob, thiab hauv qee lub khw, cov khoom lag luam txawv teb chaws. Rau cov ntawv thov uas xav tau Western- ntawv pov thawj zeb (piv txwv li, PED-ua raws, NUKE- qib), keeb kwm tseem ceeb thiab yuav tsum tau teev ua ntej.

Q: Kuv yuav tsum tau ntawv pov thawj dab tsi nrog 316LN phaj?

A: Yam tsawg kawg nkaus, thov rau EN 10204 Hom 3.1 Cov Ntaub Ntawv Ntsuas Cov Khoom Siv (MTR) kos npe los ntawm lub tuam tsev zoo. Rau nuclear, lub nkoj siab, lossis PED daim ntawv thov, EN 10204 Hom 3.2 (thib peb-tus neeg soj ntsuam pov thawj) yuav tsum tau. Ib txwm tshawb xyuas tias cov khoom siv hluav taws xob thiab cov khoom siv hauv MTR ua raws li tus qauv siv tau (ASTM A240, EN 10028-7, lossis sib npaug).

Nqe Disclaimer: Txhua tus nqi hais hauv daim ntawv no yog qhov qhia txog kev ua lag luam raws li cov ntaub ntawv tshaj tawm thiab cov peev txheej kev lag luam txij li xyoo 2024-2025. Lawv tsis tsim ib qho kev hais los yog kev muab. Tus nqi tiag tiag yuav raug hloov raws li kev lag luam raw khoom, kev txiav txim specifications, thiab cov nqe lus lag luam.Tiv tauj peb qhov muagtus neeg sawv cev rau tam sim no, khi lus hais. Tag nrho cov nqi yog nyob rau hauv USD tshwj tsis yog hais tias lwm yam.