Stainless hlau 321 / 321H Daim Hlau

Alloy 321 (UNS S32100) yog stabilized stainless hlau phaj uas muaj raws li nws lub ntsiab kom zoo dua ib tug zoo heev tiv thaiv intergranular corrosion tom qab raug rau kub nyob rau hauv lub chromium carbide nag los ntawm 800 mus 1500 ° F (427 rau 816 ° C). Alloy 321 stainless hlau phaj yog stabilized tiv thaiv chromium carbide tsim los ntawm kev sib ntxiv ntawm titanium.

Alloy 321 stainless hlau phaj kuj yog qhov zoo rau kev pabcuam kub kub vim nws cov khoom siv zoo. Alloy 321 stainless hlau phaj muaj ntau dua creep thiab kev nyuaj siab rupture zog tshaj Alloy 304 thiab, tshwj xeeb tshaj yog, Alloy 304L, uas tej zaum kuj yuav raug txiav txim siab rau exposures qhov twg rhiab heev thiab intergranular corrosion yog kev txhawj xeeb.

Ntau yam ntawm Stainless Hlau Sheet

Khoom siv	Loj	Thickness	Specification
Stainless hlau Sheet	1000mm x 2000mm, 1220 hli x 2440 hli (4' x 8'), 1250 hli x 2500 hli, 1500mm x 3000-6000mm, 2000mm x 4000mm txog 6000mm	0.3mm txog 120mm	A-240

Qib	UNS No	Laus British		Euronorm		Swedish SS	Japanese JIS
		BS	En	Tsis muaj	Lub npe
321	S32100	321s31 ib	58b,58c ib	1.4541	X6CrNiTi18-10	2337	TIAB SA 321
321 h ua	S32109	321s51 ib	-	1.4878	X6CrNiTi18-10	-	SUS 321 H

Hom 321 Stainless Hlau yog them los ntawm cov lus qhia hauv qab no: AMS 5510, ASTM A240.

Tshuaj muaj pes tsawg leeg

Element	Qauv 321
Cov pa roj carbon	0.08 max.
Manganese	max 2.00 Nws.
Sulfur	0.030 max.
Phosphorus	0.045 max.
Silicon	0.75 max.
Chromium	17.00 – 19.00 dr hab
Nickel	9.00-12.00 Nws
Titanium	5 x (C + N) min. - 0.70 max.
Nitrogen	0.10 max.

Mechanical Properties:

Hom	Yield Strength 0.2% offset (KSI)	Tensile zog (KSI)	% Elongation (2" ntsuas qhov ntev)	Hardness Rockwell
321	30 feeb.	75 feeb.	40 feeb.	HRB 95 max.

Formability
Hom 321 tuaj yeem tsim thiab kos tau yooj yim, txawm li cas los xij, yuav tsum muaj kev kub siab ntau dua thiab muaj kev sib tw ntau dua li cov pa roj carbon steel thiab ferritic stainless hlau. Zoo li lwm yam austenitic stainless hlau, Hom 321 ua hauj lwm hardens sai thiab tej zaum yuav tsum tau annealing tom qab hnyav forming.Qhov muaj tej yam alloying ntsiab yuav ua rau hom 321 nyuaj rau tsim dua lwm yam austenitic qib xws li 301, 304 thiab 305.

Kev kho cua sov
Hom 321 yog non-hardenable los ntawm kev kho cua sov.Annealing: Kub rau 1750 - 2050 ° F (954 - 1121 ° C), ces dej quench los yog cua txias.

Weldability
Cov chav kawm austenitic ntawm stainless hlau feem ntau suav hais tias yog weldable los ntawm kev sib xyaw ua ke thiab kev ua haujlwm. Kev txiav txim siab tshwj xeeb yog yuav tsum tau kom tsis txhob weld "kub tawg" los ntawm kev tsim cov ferrite nyob rau hauv weld deposit. Qhov tshwj xeeb alloy no feem ntau suav hais tias muaj qhov sib piv weldability rau Hom 304 thiab 304L. Qhov sib txawv loj yog qhov sib ntxiv ntawm titanium uas txo lossis tiv thaiv carbide nag lossis daus thaum vuam. Thaum xav tau cov khoom siv vuam, xws li AWS E/ER 347 lossis E/ER 321 feem ntau tau teev tseg. Hom 321 paub zoo hauv cov ntaub ntawv siv thiab cov ntaub ntawv ntau ntxiv tuaj yeem nrhiav tau hauv txoj kev no.