Dab tsi qib yog stainless hlau coils?

I. Cov Khoom Siv Cov Khoom Siv Qib (raws li cov tub ntxhais kawm txuj ci)

(1) 200 series (npib tsib xee-txuag Antenitic Stainless Hlau)

Qeb Qeb: 201 (1Cr17MNn6NI5N), 202 (12 (1CR18MN8NI5N)

Kev Sau Npe: Manganese hloov rau npib tsib xee, nrog NI cov ntsiab lus ntawm 3.5% {2}}. 5% (ntau dua li 300 lub zog los ntawm nitrogen

Kev Ua Tau Zoo Nta:

Corrosion Kuj: tsis muaj zog tshaj 304, nquag mus rau xeb hauv huab cua noo, txwv acid tsis

Cov Cuab Yeej Siv Cov Neeg Kho Tshuab: Siab zog (vim nitrogen), tab sis kev ua haujlwm tsis zoo, nquag mus tawg thaum ua

Magnetism: tsis muaj hlau nplaum (Austenitic qauv), yuav ua rau pom qhov tsis muaj zog tshaj plaws tom qab ua haujlwm txias

Daim Ntawv Thov Zaj Dab Tsi: Tus nqi qis dua cov chaw ua kom zoo nkauj (kho kom zoo nkauj sab hauv), cov chav ua noj nyob sab hauv), cov qib qis (tsis yog-cov khoom lag luam hauv chav ua noj)

(2) 300 series (qauv Ausenitic Stainless Hlau)

1. General corrosion-resistant hom

304 (06cr19NI10 / uns tsis siv S30400):

Xws li: {{{{{0}}% cr, 5% ni, carbon tsawg dua los yog sib npaug rau 0.08%

Performance: Zoo heev Corrosion Desist (tiv taus huab cua, dej, feem ntau cov acids), yooj yim rau cov txheej txheem thiab weld, tsis sib nqus

Cov Qauv: GB / T 24511 (Suav Teb), Astm A240 (Tebchaws USA), JIS G4305 (Nyiv)

Cov Ntawv Thov: Cov Khoom Noj Khoom Noj Khoom Noj, Khoom Siv Kho Mob, Chav Ua Noj, Tshuaj Siv Tshuaj Lom Neeg Tso Tsheb Hlau

304L (022Cr19NI10 / unc und s30403):

Ultra-Tsawg Carbon (C Tsawg dua li lossis sib npaug ntawm 0. 03%}.

2. High corrosion-resistant hom

316 (06Cr17NI12MO2 / unreem s31600):

{{0 {0}}% Mount ntxiv, tiv taus chloride ion corrosion (piv txwv li, cov ntsev tsis kam

Cov Ntawv Thov: Marine Kev Siv Khoom Siv, Ntawv Ua Ntawv, Khoom Siv Hluav Taws Xob thiab Kev Lag Luam Tshuaj, Nkoj Cheebtsam

316L (022Cr17ni12mi2ni2 / uns-carbon version nrog kev siv vuam zoo

3. Tshwj Xeeb Ua Haujlwm

321 (06cr18ni / uns unicial S32100): Kev kho titanium-stabilized, siv nyob rau hauv high-deplas (tsawg dua lossis sib npaug, cov khoom siv boiler), cov khoom siv boiler)

310s (06cr25Ni20 / Unical S31008): 25Cr -20 ni muaj oxidation, nce mus txog 1200 degree), siv rau cua sov (li thermocouple Casings

(3) 400 Series (FERRRITRICAL / MARTSENITIC Stainless Hlau)

1. Ferritic hom (nqus, sib zog corrosion tsis kam)

430 (10CR17 / untal S43000):

{{0 {0}}% CR, Nickel-dawb, tus nqi tsawg

Zoo dua atmospheric corrosider tsis kam dua li cov hlau hlau, tab sis tsis yog cov kua qaub-tiv taus, magnetizable

Cov Ntawv Thov: Cov Ntawv Kho Kom Zoo Nkauj (Facades, Cov Kev Sib Tw), Cov Khoom Siv Hluav Taws Xob (Tub Yees Khoom Siv Hauv Tsev), Tshuab Ntxhua Khaub Ncaws), Tshuab Ntxhua Khaub Ncaws), Tshuab Ntxhua Khaub Ncaws

439 (019CR19NPR19NBBTI): Cov pa roj carbon): Tsawg-carbon nrog titanium, tiv taus intergranular corrosion, siv rau lub rhaub dej Rhaub Log

2. Martensitic Hom (Muaj Zog Muaj Zog, Tshav Kub-Kho)

410 (12cr13 / unt S41000):

11. {{5-13. 5% cr, carbon tsawg dua lossis sib npaug}. 15%, siab}) tom qab quenching thiab tempering

Moderate Corrosion Kuj, Siv rau Cov Cuab Yeej Txiav, Li Qub, Thiab Feem Ntau Yam

42 {{{{}} J1 (20CR13): Cov ntsiab lus carbon) ntau dua cov pa roj carbon) (0%), siv rau kev phais cov tawv taub hau thiab tshuab nqus tsev

Ii. Cov txheej txheem kawm tau zoo (raws li cov txheej txheem ntau lawm)

(1) Kev faib tawm los ntawm kev ua lag luam thev naus laus zis

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(2) qib qis hauv qib

Qib 2B: Txias-rolled, cua sov-kho, thiab pickled, du nto nrog pickling cov kab, dav dav qib kev lag luam

BA Qib: Txias-rolled thiab ci-annealed, tsom iav (roughness ra tsawg dua lossis sib npaug rau cov khoom kho kom zoo nkauj thiab kho kom zoo nkauj

8K daim iav qeb: mechanically polished rau iav tiav (ra tsawg dua los yog sib npaug ntawm cov lus kho kom zoo (tsev so. Khoom kim heev)

No.1 Qib Kub: Kub-Rolled thiab Pickled, Hnyav, Hnyav saum npoo nrog Residual Oxide nplai, siv los ua cov khoom siv hauv paus rau kev ua ntxiv

(3) cov qhab nia zoo tshaj plaws (noj tuab tuab ua piv txwv)

Kev precision (Pt.a): ± (tuab × 1%} 4}} mm thickness tso cai ± 0.05mm kam pub)

Cov qauv siab dua (PT.B): ± (tuab. 0. 7 hli) (Haum rau Precision Kev Sib Tw

III. Gradution txheem qib (cov kev siv thoob ntiaj teb)

(1) Cov Qauv International Mainstream

ASTM (USA):

A240 (rau cov hlab ntsha siab), A666 (tus pas dej txias stainless hlau rau kev kho kom zoo nkauj)

En (EU):

En 10088-2 (corrosion-resistant steel rau cov laj thawj dav dav), en {}}. 1b (cov ntawv pov thawj ntawv qib)

JIS (Nyiv):

G4305 (Txias-Rolled Steel Daim Hlau), G4303 (Kub-Rolled Steel Daim Hlau)

(2) cov qauv hauv tsev

GB / t 24511-2017 (stainless hlau rau cov khoom siv siab): sib npaug rau ASME BPCC.ASTM A240, yuav tsum muaj kev sim siab hauv kev ntsuas corranular

GB / t 3280-2015 (txias-rolled stainless hlau daim hlau thiab strips (HV tsawg dua los yog sib luag rau 200 rau 304), thiab lwm yam.

IV. Qhia Xaiv Kev Xaiv

Corrosion ib puag ncig:

Atmospheric / Dej Tsis Muaj Chaw: 304 (Nqi Them Nqi), 430 (Tsawg Tus Nqi Xaiv)

Dej hiav txwv / chloride ib puag ncig: 316L (yuav tsum tau), 2205 chav hlau (lub zog siab dua)

Cov Kev Ntsuas Kub:

Tsawg kub (-196 degree): 304l (tsis muaj tsawg-kub ua kom tawg)

High temperature (>600 Qib): 321 / 310s (Creep Reactance)

Kev Ua Tau Zoo:

Daim duab sib sib zog nqus: 304 (siab ductility, r tus nqi ntau dua los yog sib npaug rau 1.2)

Welded qauv: 304L / 316L / 316L (cov pa roj carbon tsawg los tiv thaiv kev txhim kho intergranular)

V. Kev Txiav Txim Siab Tshaj Tawm

Yuav tsum muaj cov neeg xa khoom los muab cov ntawv pov thawj ntaub ntawv (suav nrog cov tshuaj lom neeg, cov khoom siv neeg kho tshuab, thiab cov txiaj ntsig corrosion corrosion)

Qhia cov qeb deg kom meej meej (piv txwv li, "2B saum npoo, roughness ra tsawg dua lossis sib npaug}. 4μm")

Rau cov ntawv thov tseem ceeb (piv txwv li, cov hlab ntsha siab), ntxiv kev sim ua tsis yog kev ua phem (ut / rt) thiab hydrostatic siab ntsuas

Los ntawm cov qib ntau-seem-seem Nws raug nquahu kom qhia cov qauv kev ua tiav, piv txwv li 3000 / Tuam Tshoj 06cr19NI10), thiab cov kev kawm tshwj xeeb (piv txwv li GB 4806.9 kev xeem) hauv kev sib cog lus.