مشخصات استیل 304 | استیل ایرانیان
مشخصات استیل ۳۰۴. استیل ۳۰۴ رایج ترین نوع فولاد زنگ نزن است. این فولاد شامل کروم و نیکل به عنوان عناصر غیر آهنی اصلی است. کروم آن بین ۱۸ الی ۲۰ درصد و میزان نیکل بین ۸ الی ۵/۱۰ درصد است. این فولاد ...
فولاد زنگ‌نزن 304 چیست؛ خواص فیزیکی و مکانیکی آن | آهن‌آنلاین
تقسیم می‌شوند. یکی از انواع استنلس استیل، مطابق با استاندارد aisi، گرید 304 است که در دسته فولادهای زنگ‌نزن آستنیتی کروم_نیکل‌دار قرار دارد. فولاد 304 به واسطه کربن کم و کروم و نیکل بالا نسبت به ...
Type 304 and 304L Stainless Steel Explained
Type 304 Stainless Steel. Type 304 is the most widely used austenitic stainless steel. It is also known as "18/8" stainless steel because of its composition, …
Tailoring the strength-ductility balance of a commercial
The sequential twinning-induced plasticity (TWIP) and transformation-induced plasticity (TRIP) effects were induced in a commercial AISI 304L stainless steel by tailoring the average austenite grain size (via thermomechanical processing of cold rolling and reversion/recrystallization annealing), leading to a combination of high yield stress …
Sensitization of Austenitic Stainless Steels: Current …
Further, it is known that sensitization increases the susceptibility to grain boundary corrosion and hydrogen embrittlement (HE) or hydrogen-induced cracking. The researchers reported that loss of notched tensile strength (NTS) of AISI 304L steels. This loss in NTS has been correlated to hydrogen embrittlement . The sensitized steels …
EIS monitoring study of the early microbiologically …
This study examined the early stages of tarnishing of American Iron Steel Institute (AISI) 304L austenitic stainless steel (SS) condenser tubes in contact with running freshwater from the Tagus River in Spain. The immersion time of the tubes was 569 days. Tarnishing originated by biofouling was assessed using electrochemical impedance …
Type 304 and 304L Stainless Steel Explained
Type 304L Stainless Steel. Type 304L stainless steel is an extra-low carbon version of the 304 steel alloy. The lower carbon content in 304L minimizes deleterious or harmful carbide precipitation as a result of welding. 304L can, therefore, be used "as welded" in severe corrosion environments, and it eliminates the need for annealing.
Effects of Cold Rolling and Strain-Induced Martensite …
The calculated SFE and stacking fault probability of 2205 DSS and AISI 304L are reported in Table III. For the austenitic grade, the results are strictly in agreement with the values reported in the literature, while the obtained value for the DSS approaches the 10 mJ/m 2 determined by Reick et al .[ 20 ] from direct measurements of extended ...
دوام aisi 310 قابل تنظیم
دوام aisi 310 قابل تنظیم. suh310_ ... aisi 403 aisi 410 astm 410s aisi 416 aisi 420 aisi 420f aisi 431 aisi 440a aisi 440b aisi 440c astm 440f. （）. sus201 sus202 sus301 sus302 sus302b sus303 sus303se sus304. ... aisi 304l aisi 304n astm xm21 aisi 305 aisi 308 aisi 309s aisi 310s aisi 316 aisi 316l aisi 316n aisi 317 aisi 317l ...
Effect of Composition on the Formation of Delta Ferrite in 304L …
Four different AISI 304L austenitic stainless steels with chromium equivalent-to-nickel equivalent (Creq/Nieq) ratios of 1.57, 1.59, 1.62, and 1.81 were chosen for this study. The influence of chemical composition on solid-state formation of delta ferrite phase during hot deformation was investigated. Compression tests were performed at …
Stress Corrosion Cracking Susceptibility of 304L Substrate …
1. Introduction. AISI 304 stainless steel (SS) is one of the candidate materials used for dry storage canisters of spent nuclear fuel as an interim storage measure before final disposal [1,2].A great concern for the long-term integrity of canisters located near the coastline is chloride-induced stress corrosion cracking of austenitic stainless …
Fatigue and Corrosion Fatigue Behaviour of Brazed Stainless …
First results of tensile and fatigue tests of the brazed AISI 304L/BAu-4 joints in the as-received condition and after pre-corrosions, obtained by means of the digital image correlation (DIC) technique, were published in earlier studies by the authors [8,24,25]. Parts of the fractographic analyses were used for the current study to compare ...
Improvement of the corrosion behavior of AISI 304L …
The effects of deep rolling parameters, particularly, work speed and cooling conditions (dry and cryogenic) on the surface integrity of AISI 304L machined samples and their further impact on uniform and localized corrosion behavior in chloride environment were experimentally investigated in this work. The electrochemical behavior of machined …
Influence of Load, Surface Finish and Lubrication on Friction
The present work aims to evaluate the friction and wear behavior of a metastable stainless steel AISI 304L against steel AISI 52100 ball. Friction tests using the "ball-on-disc" technique at constant velocity (0.03 m/s) and different loads (6 N, 15 N) with and without lubricant (liquid vaseline) were carried out. Two surface finishing conditions …
Aisi 420 با بهترین کیفیت
کیفیت بالا لوله لوله فولادی ضد زنگ با کیفیت aisi 201 202 304 304l 316l 430 410 904l از چین, پیشرو چین است لوله فولادی 430 تولید - محصول, با کنترل کیفیت دقیق لوله فولادی ضد زنگ 410 کارخانه, تولید با کیفیت بالا لوله فولادی ضد زنگ 904 لیتر محصولات.
The effect of cold rolling regime on microstructure and …
DOI: 10.1016/J.JMATPROTEC.2010.02.010 Corpus ID: 137009917; The effect of cold rolling regime on microstructure and mechanical properties of AISI 304L stainless steel @article{Hedayati2010TheEO, title={The effect of cold rolling regime on microstructure and mechanical properties of AISI 304L stainless steel}, author={Aliakbar …
304L Stainless Steel
General Properties. Alloy 304L a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel. Type 304L has a carbon maximum is 0.030. …
AISI 304 vs AISI 304L Stainless Steel
Differences Between AISI 304 and AISI304L Steel. The main difference between these two grades of steel lies in their respective carbon contents; AISI304 contains more carbon than its low-carbon counterpart AISI304L. The increased amount of carbon in regular ASI304 gives it greater strength and hardness than ASI304L but also makes it …
Fatigue and Corrosion Fatigue Behaviour of Brazed
In this study, fatigue tests of brazed AISI 304L/BAu-4 joints were performed in air and synthetic exhaust gas condensate K2.2 according to VDA 230-214. The fatigue behaviour of the brazed joints ...
Microstructure Influence on Corrosion Resistance of Brazed AISI 304L …
In this study, the steel AISI 304L, a standard austenitic stainless steel, was chosen. One industrial filler metal BNi-5a® (Ni19Cr7.5Si1.5B, wt%) and two different rapidly solidified filler metal foils based on NiCrSiB system were produced to investigate the influence of the chromium and molybdenum content on the corrosion resistance.
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 …
Effect of pre-straining on low-temperature mechanical behavior of AISI 304L
The effects of the amount of pre-strain on the yield strength, tensile strength, ductility, and strain hardening rate of AISI 304L were investigated. The main research results are summarized as follows: •. When the amount of pre-strain induced at ambient temperature (AL test) increases, the yield strength increases up to 62% and the ultimate ...
A Study on Deformation Behavior of 304L Stainless Steel
In this work, microstructural evolutions and mechanical properties of AISI 304L stainless steel were studied after rolling operations at elevated temperatures. Rolling experiments were conducted under warm and hot rolling conditions in the range of 600-1000 °C employing different reductions. Then, the developed microstructures and the …
Cold Finished 304L Stainless Steel :: MakeItFrom.com
Cold finished AISI 304L is AISI 304L stainless steel in the cold worked (strain hardened) condition. The graph bars on the material properties cards below compare cold finished AISI 304L to: wrought austenitic stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the ...
Impact of heat treatment on the mechanical properties of AISI 304L …
The volume fraction of δ-ferrite and the grain size of a standard 1.4307 (AISI 304L) steel were varied independently to investigate their influence on hydrogen environment embrittlement. The chemical composition of the steel was kept constant. This study examines the relationship between microstructural properties and the results of …
پروفیل فولاد ضد زنگ 304 304L پرتو H فولاد ضد زنگ قابل تنظیم
کیفیت بالا پروفیل فولاد ضد زنگ 304 304L پرتو H فولاد ضد زنگ قابل تنظیم از چین, پیشرو چین است نمایه فولاد ضد زنگ 304L تولید - محصول, با کنترل کیفیت دقیق پرتو H فولاد ضد زنگ قابل تنظیم کارخانه, تولید با کیفیت بالا نمایه فولاد ضد زنگ ...
Specification Sheet: Alloy 304/304L
Alloy 304/304L (UNS S30400/ S30403) is the most widely utilized "18-8" chromium-nickel austenitic stainless steel. It is an economical and versatile corrosion resistant alloy suitable for a wide range of general purpose applications. It is common practice for 304L to be dual certified as 304 and 304L. The low carbon chemistry of 304L
Significance of Martensite Reversion and Austenite Stability …
In this equation, M d30 temperature is expressed in Kelvin, Gs is the ASTM grain size number, and all the elements are expressed in weight percent. Based on this equation, the M d30/50 temperatures of AISI 304L and 316L stainless steels were calculated as 25.5 and − 47.3 °C, respectively. This reveals the higher stability of the …
Stage I crack directions under in-phase axial–torsion …
Smooth AISI 304L stainless steel specimens were tested in fatigue. The tests were axial, torsional and in-phase axial–torsional, all of them under load control with R = −1.S–N curves were constructed following the ASTM E739 standard and the fatigue limits were obtained following the method of maximum likelihood proposed by Betinelli. The …
Effect of Cryogenic Temperature on Low-Cycle Fatigue Behavior of AISI
The aim of this study is to investigate the low-cycle fatigue (LCF) properties of an AISI 304L welded joint based on experimental data. The influential parameters on the LCF such as the specimen thickness, strain ratio and cryogenic temperature were considered in this experimental study. In order to investigate the thickness effect on the …
Some aspects of thermomechanical fatigue of AISI 304L …
Thermomechanical fatigue (TMF) tests on the austenitic stainless steel AISI 304L have been conducted under true' plastic-strain control in vacuum. This report considers the damage occurring during TMF loading. It is shown how the temperature interval and the phasing (in phase, out-of-phase) determine the mechanical response …
Effect of friction on corrosion behaviors of AISI 304 and
The corrosion and tribocorrosion behaviors of AISI 304 austenitic stainless steel and Cr26Mo1 ultrapure high chromium ferrite stainless steel in 3.5 wt.% NaCl and 0.5 mol/L H2SO4 solutions were investigated. Microelectrode electrochemical measurement technology was applied to identify electrochemistry behaviors during tribocorrosion tests …
(PDF) Improvement of the corrosion behavior of AISI 304L …
It was found that the corrosion behavior of AISI 304L deep rolled components is related to combined factors (surface roughness, strain-induced martensite, microhardness, residual stress). Despite ...
Characterisation of the corrosion fatigue behaviour of brazed AISI 304L …
In the present study, brazed AISI 304L/BNi-2 joints were cyclically tested in the synthetic exhaust gas condensate K2.2, using a corrosion cell, as well as in air after pre-corrosion acc. to VDA 230–214 with ageing durations of up to 6 weeks. A significant reduction of the fatigue strength at 2 × 106 cycles down to 43% was determined for ...
Specification Sheet: Alloy 304/304L
Alloy 304/304L (UNS S30400/ S30403) is the most widely utilized "18-8" chromium-nickel austenitic stainless steel. It is an economical and versatile corrosion resistant alloy …