Hais txog 302 Stainless Hlau

302 stainless hlau yog Austenitic, uas tsis yog-sib nqus, tsis tshua muaj zog thiab ductile stainless hlau alloy. AISI 302 annealed stainless hlau yog heev corrosion resistant thiab tuav nws lub zog ntawm kub siab txog 550 degree F (288 degree). Tsis tas li ntawd, 302 stainless hlau yog cov hlau tsis sib nqus hauv cov txheej txheem annealed thiab tsis tuaj yeem ua kom tawv ntxiv los ntawm kev kho cua sov. Raws li ib qho txiaj ntsig ntxiv rau ob qho tib si hardness thiab tensile lub zog ntawm AISI 302 tuaj yeem nce ntxiv los ntawm kev ua haujlwm txias.

302

ASTM A 240 Cov Lus Qhia

ASTM A666 Cov khoom lag luam

ASME SA240

AMS 5515 (ntxiv)

AMS 5516 (ntxiv)

AMS 5903 (¼ nyuaj)

AMS 5904 (½ nyuaj)

AMS 5905 (¾ nyuaj)

AMS 5906 (tag nrho nyuaj)

Ob qhov kev txiav txim siab tseem ceeb hauv kev tsim cov pob qij txha hauv austenitic stainless hlau yog: (1) kev tiv thaiv corrosion, thiab (2) zam kev tawg.

Qhov kub ntawm gradient yog tsim nyob rau hauv cov khoom uas raug welded uas nyob rau saum toj no lub melting kub nyob rau hauv lub molten pas dej ua ke mus rau ambient kub ntawm ib co deb ntawm lub weld. Qhov siab dua cov pa roj carbon monoxide ntawm cov khoom raug welded, ntau dua qhov yuav ua rau lub vuam thermal voj voog yuav ua rau chromium carbide nag lossis daus uas ua rau muaj kev puas tsuaj rau corrosion. Txhawm rau muab cov khoom ntawm qhov zoo tshaj plaws ntawm kev tiv thaiv corrosion, cov khoom siv carbon tsawg (Hom 304L) yuav tsum tau siv rau cov khoom muab tso rau hauv kev pabcuam hauv cov khoom siv welded. Hloov pauv, tag nrho annealing dissolves chromium carbide thiab rov ua kom cov qib siab ntawm corrosion tsis kam rau cov qauv carbon cov ntaub ntawv.

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