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AISI 321 (1.4541, UNS S32100) is an austenitic stainless steel with characteristics similar to AISI 304 stainless steel but contains at least five times its titanium content. This titanium admixture reduces or completely inhibits carbide precipitation during welding and in the operating temperature range from 800 to 1500 ° F (427 – 816 ° C).
The titanium content of 321 stainless steel preserves corrosion resistance around weld points. This material maintains its corrosion resistance in temperatures up to 1500° F.. Foil is often used as a heat-treating wrap in temperatures up to 2000° F. It is furnished with a crimping tool.. For technical drawings and 3-D models, click on a part number.
The excellent corrosion-resistance of metastable AISI 321 austenitic stainless steel makes it a choice material in the fabrication of nuclear and chemical plants, pressure vessels, automobile and aircraft components, etc. However, AISI 321 is characterized by low-yield strength and poor tribological properties that hinder its …
AISI 321 (S32100) Stainless Steel. AISI 321 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. 321 is the AISI …
In the present study, the effects of microstructure, grain size, and texture after thermomechanical processing on the corrosion behavior of AISI 321 austenitic stainless steel (ASS) were studied. The as-received, coarse-grained steel ((35±3) µm) was subjected to 20%, 50% and 90% thickness reduction through cold rolling at liquid …
The role of grain size and strain rate on the corrosion behavior of plastically-deformed Ti-stabilized austenitic stainless steel (AISI 321) in saline media was investigated.
The objective of this study is to investigate the influence of laser peening without coating (LPwC) on austenitic to martensitic (γ → α′) phase transformation and corrosion behavior of austenitic stainless steel AISI 321 in 3.5% NaCl environment. Results indicate that LPwC induces a large compressive residual stresses of nearly −854 MPa …
321 stainless steel (UNS S32100) is a titanium stabilized austenitic stainless steel that features improved resistance to intergranular corrosion. This grade is suitable for high-temperature applications up to 1500°F (815°C), …
AISI 321 material has excellent resistance to corrosion [1]. Widely used in auto-motive industries, jet aircraft components, welded pressure vessels in the defence sector and high-speed impact on firewalls, the encounter of static and dynamics loads on AISI 321 is a common problem. The demand for the controlled weld shape
The impact strength of samples in the horizontal and vertical direction was 116 ± 2 J and 114 ± 2.5 J respectively, and is comparable with the wrought AISI 321 (123 ± 1.5 J). The reduction in impact toughness is attributed to the ferrite (<6.3 FN) fraction.
The effect of three heat processes with different calcium contents on the evolution of inclusions during the ladle furnace refining process of AISI 321 stainless steel was investigated. The size, morphology, and composition of the inclusions were analyzed by scanning electron microscopy and energy-dispersive X-ray spectroscopy. After the …
Electron beam welding was used to fabricate dissimilar butt weld joints of AISI 321 and AISI 409 stainless steel 18-mm-thick plates. On both sides, i.e., fusion boundary of AISI 321 and fusion boundary of AISI 409 and along the thickness of the joint, the microstructure evolutions were studied using optical microscopy and scanning electron …
Grade 321 stainless steel machinability is 36% in annealed conditoin based on a machinability rating of 100% for 1212 steel. Nominal speeds and feeds for turning a variety of steels and cast irons with high-speed steel (HSS) single-point and box tools. Material. Hardness, HB. Condition. Depth of cut, mm (in) High-speed steel tool. Tool material.
This article addresses the phase evolutions and mechanical properties of dissimilar spot welds formed between AISI 430 stainless steel (FSS) and AISI 321 austenitic stainless steel (ASS). It was revealed that the fusion zone (FZ) microstructure consisted of three phases of ferrite, austenite, and martensite as well as precipitates. The heat …
SS 321 Mechanical Properties: ASTM: AISI Type (UNS) Conditions: Tensile Strength, MPa (ksi), ≥: 0.2% Yield Strength, MPa (ksi), ≥: Elongation in 50 mm (2 in.), %, ≥: Reduction of Area, %, ≥: Brinell Hardness (HBW), ≤: Rockwell Hardness (HRBW), ≤: Product forms: ASTM A276/A276M: …
AISI 321 has good oxidation and corrosion resistance due to the presence of alloying elements nickel and chromium at high percentages [4, 5]. The dissimilar joining of Ni-based superalloys with stainless steels is an essential requirement, as transitions from high temperature to moderate temperature come into picture during cost effective ...
The AISI 321 austenitic stainless steel was used as the matrix alloy and yttrium ferrous alloy (>99.9% pure, from Longnan Longyi Heavy Rare Earth Technology Co., Ltd.) was used as an additive to prepare AISI 321 austenitic stainless steels specimens containing 0.045 wt% yttrium (where all alloying elements are shown in Table 1) by …
AISI 321 stainless steel is widely used in hydrogenation refining pipes and hydrogen storage vessel and so on owing to its excellent performance of creep stress resistance and high-temperature resistance. In this study, slow strain rate tensile tests (SSRT) were conducted under the condition of electrolytic hydrogen charging (EHC). ...
The GOS map of the AISI 321/weld metal interface is shown in Fig. 4 f. The GOS parameters provide information regarding the deformed regions within a grain [23]. The GOS map revealed that most of the grains within the AISI 321 base metal and its HAZ had a misorientation lower than 3°.
Stainless 321 / AISI 321. Stainless 321 is a chromium-nickel steel which was developed with improved intergranular-corrosion resistance. Stainless 321 is resistant to atmospheric …
AISI/SAE. 321. UNS. S32100. Description. 1.4541 / AISI 321 is an austenitic chromium-nickel-stainless steel, stabilized with titanium. Special properties. Good corrosion …
In the present investigation, an attempt has been made to join Hastelloy C-276 nickel-based superalloy and AISI 321 austenitic stainless steel using ERNiCrMo-4 filler. The joints were fabricated by continuous and pulsed current gas tungsten arc welding processes. Experimental studies to ascertain the structure-property co-relationship with …
Type 321 stainless steel has identical corrosion nature to type 304 with an exception of enhanced intergranular corrosion resistance due to its stabilization. Resistance to …
321 Stainless Steel. This data sheet applies to stainless steel 321 / 1.4541 hot and cold rolled sheet and strip, semi-finished products, bars, rolled wire and profiles as well as …
We conducted hot working characteristics of 321 and 304 steels. It was found that 321 steel is softer than 304 steel. The results provide a better way to schedule the two steels. The differences came from delta ferrite and from free nitrogen and carbon. The activation energy for 321 and 304 are 465 kJ/mol and 446 kJ/mol respectively.
Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular …
AISI 321 austenite stainless steels fabricated by Shanxi Taigang Stainless Steel Co., Ltd, China, were selected as substrate material. Their chemical compositions are listed in Table 1. Aluminizing agent is composed of 68 wt% Fe-Al powder, 30 wt% Al 2 O 3 filler and 2 wt% NH 4 Cl activators. Creep samples were machined into 25 mm gauge …
Electron beam welding of austenitic stainless steel AISI-321 has been studied with butt weld configuration. The numerical simulation is done in both thermal and structural analysis modes using ANSYS™ software for welding as well as tensile testing. Optimization of the process parameters such as the welding speed, power, beam offset …
Austenitic SS 321. Austenitic 321 stainless steel, also named niobium nitrogen alloy is a highly stabilized chromium-titanium steel with extra-ordinary oxidation resistance properties and creep strength. AISI 321 stainless steel is a stabilized version of SS 304 but with titanium.. The titanium content in SS 321 Stainless Steel helps it prevent carbide …
Production of nano/ultrafine grains through deformation-induced martensite formation and its reversion to austenite in an AISI 321 stainless steel was studied. The repetitive cold rolling and subsequent annealing were conducted to obtain nanocrystalline structure. Heavy cold rolling (90% reduction) at +20 and −20 °C was carried out to …
The two plates of AISI 321 and AISI 409 (200mm × 75mm × 18 mm) were utilized as the substrate, and the chemi-cal composition of the plate is produced in Table 1. The microstructure of the AISI 321 and AISI 409 is presented in Figure 1. The mechanical properties of the base metals are presented in Table 2.
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The mechanical response of AISI 321 austenitic stainless steel under. 3 compressive loads at strain rates of 6600 s−1and 4.2 × 10− 1 s− were studied using the split Hopkinson pressure bar and Instron R5500 mechanical testing system respectively. Specimens subjected to quasi-static compression showed lower yield strength and higher strain ...
Austenitic stainless steel type AISI 321, has an incredible resistance to corrosion and oxidation . 2 Experimental Procedure. 2.1 Material Selection. The grade SS347 is chosen as one of the dissimilar parent alloys which are stabilized austenitic stainless steel with the addition of niobium. The intermittent temperature is about …
69 CO 2 laser spot welding of thin sheets AISI 321 austenitic stainless steel olume 106 Issue 2 December 2020 Reference to this paper should be given in the following way: A.A. Shehab, S.A. Nawi ...
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