Wei LI | Lanzhou University, Lanzhou | LZU | Research profile
Aluminized AISI 321 steels applied as heat exchange tube are generally subjected to creep–fatigue (C‐F) exposure during service. Remaining tensile and creep performance of this steel at 620°C ...
Thermal–mechanical metamaterial analysis and optimization …
This combination helps reduce CTE in the y-direction, as the higher CTE material (AISI 321) is in the x–z plane, which when it expands reduces strain in the y-direction via the lattice structure and lower CTE material (Ti-6242). A second run is completed, where the optimizer is forced to use titanium and steel for member sets 1 and …
Characterization of the hot deformation microstructure of AISI 321
Fig. 1 represents the optical microstructure of AISI 321 austenitic stainless steel after deformation at different temperature and constant strain rate of 0.01 s −1.As it is seen at deformation temperatures of 800, 850 and 900 °C the final microstructure is consisted of elongated austenite grains due to deformation and some TiN inclusions.
AISI 321 (S32100) Stainless Steel :: MakeItFrom.com
AISI 321 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. 321 is the AISI designation for this material. S32100 is …
Effect of fillers on the microstructure, mechanical properties, and hot
This research article addresses the effect of fillers on the high-temperature corrosion behavior of AISI 347 weld joints. Multi-pass pulsed current gas tungsten arc welding was carried out on 6.67 mm thick plates of AISI 347 using three different fillers namely ER347, ER2553, and ERNiCrMo-3.
Influence of time on the microstructure of AISI 321 austenitic
Influence of nitriding time on the microstructure and microhardness of AISI 321 austenite stainless steel was investigated, using a complex salt bath heat-treatment at low temperature, 430 °C. Experimental results revealed that after salt bath nitriding, a modified layer was formed on the surface of substrate with the thickness ranging from 2 …
321 Stainless Steel | McMaster-Carr
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. …
فروشنده Aisi 321 قابل تنظیم
ارزانترین فروشنده این محصول را ۲۴۰٬۰۰۰ تومان می‌فروشد. ... Liquid carburizing of AISI 321 steel also multiplies the microhardness of the steel surface from 200 ± 7 to 890 ± 110 HV0.025, with the total hardening depth being about 500 μm. The hardened layer is gradient and characterized by ...
Hot Deformation Behaviors of as Cast 321 Austenitic Stainless Steel …
AISI 321 stainless steel has excellent resistance to intergranular corrosion and is generally used in nuclear power reactor vessels and other components. The as-cast and wrought structures are quite different in hot workability, so physical simulation, electron back-scatter diffraction, and hot processing maps were used to study the mechanical …
Aisi 302 قابل تنظیم با استحکام بالا
AISI Type 302 Stainless Steel Properties, SS302 … Type 302 Grade Stainless Steel Heat Treatment. SS 302 annealing temperature is 1010-1120 °C (1850-2050 °F), recommended temperature is 1400 °C (1900 °F) Oven stress …
ورق MO40 | ورق 4140 | ورق 1.7225 ورق 7225 فولاد مرکزی دلاکان
استنلس استیل 321; استنلس استیل 410; ... فروشنده. فولاد مرکزی دلاکان ... aisi din jis afnor ss; 42crmo4: 4140 – 4142: 1.7225: scm440h: 42cd4: 2244 . ورق 4140 از آلیاژهای کروم و مولیبدن می باشد که وزن کمی هم دارد.
Influence of prior creep-fatigue exposure on remnant tensile …
AISI 321 steels used as heat exchange tube are generally subjected to creep-fatigue exposure during service. Assessing their remnant properties is therefore required to ensure components safety. In this work, cyclic responses during different prior creep-fatigue exposure, and remnant tensile and creep behaviors of AISI 321 were studied. ...
A Study on Phase Evolutions and Tensile-Shear Performance …
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 …
ASTM A193 Bolts, Screws, Stud Bolts, Threaded Rods
ASTM A193 Grade B8S, B8SA. ASTM A194 Grade 8S, 8SA. Nitronic 60/UNS S21800. ASTM A193 is a standard specification for alloy steel and stainless steel hex bolts, heavy hex bolts, stud bolts, socket head cap screws for high temperature applications. ASTM A193 is a specification for imperial size bolts.
Corrosion behavior of metastable AISI 321 austenitic …
AISI 321 metastable austenitic stainless steel (MASS) with nominal composition (in weight %) of 17.61 Cr, 9.17 Ni, 1.56 Mn, 0.42 Mo, 0.40 Si, 0.36 Ti, 0.30 Cu, 0.15 Co and 0.044 C was studied. This steel was received in hot-rolled condition. The alloy is stabilized with titanium and has FCC structure and low stacking fault energy.
Stainless Steel 321: Austenitic SS 321 & Chemical Composition
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 …
Study on the Hot Deformation Behavior of Stainless Steel AISI 321
In this study, the hot deformation behavior of austenitic Ti-modified AISI 321 steel with a relatively high content of carbon (0.07 wt.%) and titanium (0.50 wt.%) was studied in the temperature range of 1000–1280 °C and strain rates in the range of 0.01–1 s −1.Hot deformation was carried out with uniaxial compression of cylindrical specimens …
فروشنده داغ astm a351 cf8m
Note 1: Carbon steel castings for pressure-containing parts are covered by Specification A216/A216M, low-alloy steel castings by Specification A217/A217M, and duplex stainless steel castings by Specification A995/A995M. 1.2 A number of grades of austenitic steel castings are included in this specification.
Differences Between 304 vs. 321 Stainless
304 Stainless and 321 Stainless are two common types of stainless steel alloys that differ in their chemical composition and mechanical properties. While both alloys are widely used in various industries, including the automotive industry, they have distinct differences that make them suitable for different applications. CHEMICAL …
AISI 321 (1.4541, UNS S32100) – Zormetal
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 …
321/321H Stainless Steel
What is 321/321H Stainless Steel? Stainless Steel 321 is a basic austenitic 18/8 steel (Grade 304) blend of chromium and nickel is stabilised by Titanium (321) addition. SS 321 is used because they are not sensitive to intergranular corrosion after heating within the carbide precipitation range of 425-850°C.
Specification Sheet: Alloy 321/321H
Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. It has excellent resistance to intergranular corrosion after exposure …
1.4541 (AISI 321), S32100 | Datasheet | METALCOR
AISI 321. Standards. Material No. 1.4541: EN Designation: X6CrNiTi18-10: AISI/SAE: 321: UNS: S32100: Description. 1.4541 / AISI 321 is an austenitic chromium-nickel-stainless steel, stabilized with titanium. Special properties. Good corrosion resistance to low content of hydrochloric and organic acids. Chemical Composition. C % ≤ 0.08: Si ≤ ...
Metals | Free Full-Text | Grain Growth during Mechanical
The kinetics of austenite grain growth during thermomechanical treatment of AISI 321 steel with a relatively high content of carbon (0.07 wt. %) and titanium (0.50 wt. %) were studied. Hot deformation was carried out by the uniaxial compression of cylindrical specimens on a Gleeble 3800 thermomechanical simulator. A dependence is obtained …
Stainless Steel
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 …
Microstructure, Mechanical Properties and Fracture Toughness of SS 321
ER321 is the recommended filler material for welding AISI 321 and 347 in accordance with AWS A5.9/A5.9 M (2017) standards. ER321 has a similar composition to AISI 321. The chemical composition of substrate and filler material is presented in Table 1. The gas mixture of 98% Argon + 2% Carbon dioxide was used for shielding and supplied …
Stainless Steel 321
Stainless steel 321 - 1.4541 is one of the many grades that thyssenkrupp Materials (UK) supply. We supply a vast range in various forms of stainless, aluminium and mild steel. …
AISI 321 (S32100) Stainless Steel :: MakeItFrom.com
AISI 321 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. 321 is the AISI designation for this material. S32100 is the UNS number. Additionally, the British Standard (BS) designation is 321S12. The properties of AISI 321 stainless steel include two common variations.
لوله استیل 321 ، خواص و کاربردهای این محصول – آرتا استیل تهران
لوله استیل 321 لوله زنگ نزن 321 یا لوله استنلس استیل 321 از خانواده لوله های استنلس استیل بوده که فولاد آن در استاندارد DIN آلمان با نام فولاد 1.4541 شناخته می شود.
1.4541 (AISI 321), S32100 | Datasheet | METALCOR
AISI/SAE. 321. UNS. S32100. Description. 1.4541 / AISI 321 is an austenitic chromium-nickel-stainless steel, stabilized with titanium. Special properties. Good corrosion …
The deformation-induced martensite and dynamic strain
To investigate the deformation-induced martensite and dynamic strain aging (DSA) during cyclic deformation in AISI 321, fatigue tests were carried out at strain amplitude 0.5% and 0.9% at room temperature (RT), 550 °C and 650 °C. Optical microscope and scanning electron microscope were used to observe the crystal grains and fracture …
Role of rare-earth yttrium in the hydrogen embrittlement of AISI 321 …
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 …