Duplex SteelNeeg malayalamTus hmoobCov kab feem ntau muaj cov duab xws li tiaj, puag ncig, hexagonal,
Yield zog 0.2% pov thawj (MPA) min

Cov kab feem ntau muaj cov duab xws li tiaj, puag ncig, hexagonal,

254 Smo Seamless Yeeb Nkab, Smoo 254 Weld kav, SMO 254 EFW Kav, SMO DIN Nr. 1.4547 kav dej, ASME SB403 Welded Smoo kav, SMO 254 Cov Kav Dej, 254 SMO Welded Yeeb Nkab Tsim Hauv Suav Teb.

Xhosa5\ / 5 / raws li299Myanmar (Burmese)
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Lub tshuab hluav taws xob stainless hlau yog cov khoom ntawm kev xaiv rau nqa cov tshuaj corrosive lossis cov roj av, tshwj xeeb yog qhov kev ntsuas siab, siab dua ib puag ncig muaj kev koom tes. Raws li qhov tshwm sim ntawm kev ua kom zoo nkauj ntawm cov hlau stainless, cov yeeb nkab feem ntau siv hauv cov ntawv thov archectural.

Qhia tawm:

Suav (yooj yim)253 ma ua tiav nws cov cua sov tsis kam ua haujlwm los ntawm kev tswj kom nruj me ntsis ntxiv. Cee cerium sib xyaw nrog silicon los muab oxidation zoo tsis kam ntawm qhov kub txog li 2000dÃf (1093¡Ã). Kev sib xyaw ntawm nitrogen, carbon thiab cerium muab ob zaug ntxiv tuaj ob zaug sib xyaw ua ke ntawm 310 thiab 309 stainless hlau ntawm 1600¡ÃF (871¡Ã). Nws 0.2% offset muab lub zog yog tus yam ntxwv tsis raws cai Rockwell B yog 42% mus rau 70%, lub zog kawg yog 90,000 rau 114,000 psi.

Yield zog 0.2% pov thawj (MPA) min

Qhov tseeb, cov corrosion resistance cov yam ntxwv ntawm 250 smo yeeb nkab yog piv rau Nickel alloys. Ib qho ntawm cov yeeb nkas zoo tshaj plaws ntawm 254 smo en 1.4547 yeeb nkab yog nws kev tiv thaiv yog cov tub rog ib puag ncig, thiab tshwj xeeb, nce cov dej hiav txwv. Qeb ntsev nyob rau hauv hiav txwv hla lub ntiaj teb sib txawv, nyob ntawm ntau yam tsis zoo. Tus nqi ib txwm ntsev los yog sodium chloride tam sim no hauv cov dej hiav txwv rau 3.5%. Hauv cov cheeb tsam uas tus dej sau ib qho kev sib txuam nrog lub hiav txwv, kev pom ntawm cov tshuaj pleev ntsev rau hauv dej txo. Thaum piv rau cov qauv steel hlau A2134 Seamless Tube muaj lub siab Molybdenum cov ntsiab lus uas nce cov oxidation tus nqi thaum lub sij hawm rougher nto tiav tom qab pickling. Alloy 254 lub siab siab-hlab yog muaj zog dua li cov qib tsis muaj kev vam meej thiab yog yooj yim rau Weld. DIN 1.4547 Welded Hlaws tau txiav txim siab yog tus nqi tsim txiaj rau lub alloy nrog cov ntsiab lus nickel thiab titanium. Yuav kom tau txais qhov siab tshaj plaws corrosion resistant cov khoom lagpo smo 254 yuav tsum tau tom qab kev annealing.

Luj tshib roj kav teb flanges yeeb nkab haum cov chaw tsim khoom

Tom ntej: Zaum fe Roob npe Ni C N Si S Mn Cr Piam
Tiv Tauj Peb Zulu 17.5 0.18 19.5 0.03 Zoo siab
min. 0.02 18.5 0.08 0.22 0.01 1.00 0.03 20.5 0.08

Qhia tawm:

Cov qib ntawm cov kab ntsig los txiav cov kev tseev kom tseeb. Hlau

Tom ntej: Alloy Hlau Bars & Rods Tensile lub zog (mpa) min BS 4825-1 304L Stainless Hlau Yeeb Tus davaian
Alloy Steel Fasteners Cov neeg siv khoom tshuaj xyuas
Tiv Tauj Peb 650 35 300 50 270
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    Cov Yeeb Nkab Stainless Hlau Yeeb Nkab