TS EN 1.4435 Higher-Nickel Low-Carbon 316L Variant Txheej txheem cej luam

Mar 18, 2026

Tso lus

1.4435 stainless hlau, feem ntau hu ua 316L lossis UNS S31603, yog qhov qis -carbon variant ntawm tus qauv 316 molybdenum-alloyed austenitic stainless hlau. Nws txo cov ntsiab lus ntawm cov pa roj carbon monoxide ua kom muaj kev tiv thaiv rau intergranular corrosion nyob rau hauv raws li -welded mob, ua rau nws nyiam xaiv rau hnyav welded fabrications, tshuaj ua khoom siv, kws tshuaj, thiab marine daim ntaub ntawv uas ob qho tib si corrosion kuj thiab weld kev ncaj ncees yog ib qho tseem ceeb. Raws li ib qho ntawm cov khoom siv ntau yam thiab siv dav siv stainless hlau, nws muaj qhov sib npaug zoo ntawm corrosion kuj, formability, thiab nqi -effectiveness.

Txuj	Qib sib npaug
EN (Tebchaws Europe)	1.4435
ASTM / AISI (USA)	316L, UA S31603
JIS (Nyiv)	SUS 316L
KS (Korea)	STS 316 L
Lub Npe	316L

Element	C	Si	Mn	P	S	Cr	Ni	Mo
Cov ntsiab lus (%)	Tsawg dua lossis sib npaug li 0.03	Tsawg dua los yog sib npaug rau 1.0	Tsawg dua los yog sib npaug rau 2.0	Tsawg dua lossis sib npaug li 0.045	Tsawg dua lossis sib npaug li 0.03	16.5 - 18.5	10.0 - 13.0	2.0 - 2.5

Khoom	Yield zog (Rp0.2)	Tensile zog (Rm)	Elongation (A)	Hardness (HB)
Tus nqi	Ntau tshaj lossis sib npaug li 200 MPa	490 - 690 MPa	Ntau dua lossis sib npaug li 40%	Tsawg dua lossis sib npaug li 215

Superior Weldability yam tsis muaj rhiab heev:Cov ntsiab lus carbon tsawg (tsawg dua lossis sib npaug li 0.03%) txo qis kev tsim cov chromium carbide thaum lub sij hawm vuam, tiv thaiv intergranular corrosion nyob rau hauv tshav kub- cuam tshuam cheeb tsam yam tsis tas yuav tsum tau tom qab -weld tshav kub kho.

Txhim kho Corrosion Resistance:Qhov sib ntxiv ntawm molybdenum (2-3%) muab kev tiv thaiv zoo dua rau pitting thiab crevice corrosion nyob rau hauv ib puag ncig uas muaj chloride piv rau 304/304L.

Zoo Acid Resistance:Muab kev txhim kho kev ua tau zoo hauv sulfuric, phosphoric, thiab acetic acid ib puag ncig, ua rau nws tsim nyog rau kev siv tshuaj lom neeg.

Zoo heev Formability thiab Toughness:Ua kom zoo ductility thiab cuam tshuam cov yam ntxwv ntawm austenitic stainless hlau, txawm nyob rau hauv qhov kub thiab txias.

Tshuaj & Pharmaceutical:Tank, reactors, piping, thiab cov hlab ntsha rau corrosive xov xwm yuav tsum tau siab purity.

Marine & Coastal:Nkoj fittings, offshore platforms, thiab cov khoom uas raug dej hiav txwv los yog ntsev tsuag.

Kev kho mob & Khoom noj khoom haus ua:Cov cuab yeej phais, kev cog qoob loo, thiab cov khoom siv uas yuav tsum tau ua kom tsis muaj menyuam thiab ua kom huv.

Architectural:High-kawg façades, railings, thiab cov qauv nyob rau hauv cov pa phem los yog ntug hiav txwv cua.

Pulp & Ntawv:Cov cuab yeej ua haujlwm hauv cov tshuaj dawb thiab tshuaj rov qab los.

Kev Lag Luam Textile:Cov khoom siv dyeing thiab bleaching ua haujlwm.

Xaiv 316L thaum cov khoom yuav raug welded hnyav heev thiab tsis tuaj yeem xa mus rau -weld thaum tshav kub kub kho, lossis thaum twg nws yuav siv rau hauv qhov kub thiab txias (450-850℃). Qhov no suav nrog cov tuab -section welds, ntau- kis welds, lossis cov ntawv thov uas cov qauv welded yuav raug rau qhov chaw corrosive. 316L kuj nyiam rau qhov hnyav corrosive ib puag ncig uas qhov siab tshaj plaws corrosion yuav tsum tau, thiab rau cov ntawv thov kev pom zoo los ntawm cov hlab ntsha siab. Rau cov ntawv thov uas muaj qhov vuam me me los yog qhov chaw muaj zog ambient siab ntawm qhov kub siab yog xav tau, tus qauv 316 tej zaum yuav haum thiab pheej yig dua me ntsis.

In practice, the difference in room-temperature mechanical properties between annealed 316 and 316L is minimal and often within specification overlap. Both grades meet similar minimum strength requirements (200 MPa yield for 316L, 205 MPa for 316). The primary advantage of 316L is its corrosion resistance after welding or high-temperature exposure, not a reduction in ambient strength. At elevated temperatures (>500℃), 316 tej zaum yuav muaj zog nkag siab me ntsis vim nws cov ntsiab lus carbon ntau dua, uas yog vim li cas 316H (siab-} carbon)) tau teev tseg rau siab - kev pabcuam kub.

316L muaj qhov zoo tshaj plaws weldability siv txhua txoj hauv kev xws li TIG, MIG, SMAW, thiab SAW. Muab cov hlau sib xyaw ua ke (ER316L rau TIG/MIG, E316L-16 rau SMAW) raug pom zoo kom muaj kev tiv thaiv corrosion. Cov ntsiab lus tsis tshua muaj carbon tshem tawm qhov xav tau rau kev tshaj tawm -weld kho cua sov, txawm rau cov ntu tuab. Kev pom zoo cua sov yog feem ntau 0.5-2.0 kJ / mm, nrog interpass kub hauv qab 150 degree. Shielding gas (argon los yog argon nrog 2-5% nitrogen) tiv thaiv lub pas dej ua ke. Tom qab vuam tu thiab pickling / passivation raug pom zoo los kho cov txheej txheem passive thiab xyuas kom zoo corrosion kuj.

GNEE Steel muab cov khoom zoo - zoo 316L (1.4435) stainless hlau nyob rau hauv tag nrho cov qauv qauv- phaj, ntawv, coil, yeeb nkab, bar, hlau, thiab fittings-nrog rau kev ua hauj lwm cov kev pab cuam xws li txiav, dabtsi yog khoov, sib sau, thiab nto finishing. Peb muab cov ntaub ntawv pov thawj tag nrho (EN 10204 3.1) thiab xyuas kom cov khoom xa tuaj raws sij hawm rau ob qho tib si Tshuag thiab kev txiav txim. Yog tias koj muaj kev xav tau, thov koj xav tiv tauj peb.