Metallurgical Analysis of Failed AISI 304L Stainless Steel

Two numbers of AISI 304L stainless steel tubes with Ø6 and Ø4 mm used in pressurisation system module of a liquid engine of a satellite launch vehicle were found to crack after the qualification level random vibration test. The module has undergone resonance survey, sinusoidal vibration, and random vibration along two different axes …

Acero Inoxidable AISI 304 Ficha Tecnica, Propiedades, Densidad…

Acero Inoxidable AISI 304. El acero inoxidable AISI 304 es el material más común en los aceros inoxidables. Debido a que el acero inoxidable 304 contiene 18% de cromo (Cr) y 8% de níquel (Ni), también se conoce como acero inoxidable 18/8. El SS304 tiene buena procesabilidad, soldabilidad, resistencia a la corrosión, resistencia al calor ...

(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 ...

(PDF) Experimental investigation on the performance of

The demand for renewable and biodegradable cutting fluids is increasing day by day. Owing to the desirable properties of vegetable oils as cutting fluids, an attempt is made to explore the ...

طرز استفاده از زودپز در 6 مرحله (راهنمای آسان+ نکات ایمنی)

اگر قصد دارید یک زودپز بخرید‌ و با طرز استفاده از آن آشنا نیستید، در ادامه مقاله با ما همراه باشید تا اطلاعات مفیدی از این وسیله کاربردی در اختیارتان قرار دهیم. معرفی انواع زودپز و تفاوت آن‌ها

طرز تهیه نان خانگی تابه ای (دستور پخت همراه عکس) | دیجی‌کالا مگ

طرز تهیه نان خانگی در تابه. ۱. برای شروع مایه خمیر را همراه شکر در یک پیمانه آب ولرم بریزید و کاملا حل کنید. بهتر است از یک کاسه‌ی بزرگ برای این کار استفاده کنید. ۲. مقداری از آرد را به ترکیب ...

تفاوت AISI 304 و AISI 316 با AISI 304L و AISI 316L

لذا در کاربردهایی که استیل های گرید 304 و 316 نیاز به جوشکاری دارند و یا در معرض دمای بیش از 450 درجه در حضور محیط خورنده قرار دارند، باید از گریدهای کربن پایین (AISI 304L, AISI 316L) استفاده کرد.

انواع سالاد: 50 نوع سالاد ساده با طرز تهیه برای هر فصل و هر ذائقه

این شما و این ۵۰ نوع سالاد ساده با طرز تهیه برای هر فصل و هر ذائقه! ۱. سالاد ماکارونی. ۱/۲ فنجان مایونز، ۳ قاشق غذاخوری خامه‌ی ترش، خردل خشک، شکر، سرکه سیب، نمک و فلفل را با هم مخلوط کنید. ترکیب ...

لوله استیل 304 چیست و چه کاربردهایی دارد؟

لوله استیل نگیر 304 در دو نوع درزدار (304l) باوجود کربن کم در ساختار آن و بدون درز (340) ساخته می‌شود. تولید لوله استیل 304 درزدار با کمک روش جوش دادن درز یا لول کردن انجام می‌شود.

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 …

AISI 304 vs AISI 304L Stainless Steel

It is often referred to as "18/8" stainless steel because it contains 18% chromium and 8% nickel. It also provides good mechanical properties, making it suitable …

Stainless Steel 304L

Stainless steel 304 and 304L are also known as stainless steel 1.4301 and 1.307 respectively. Type 304 is the most versatile and widely used stainless steel. It is still …

طرز کار قهوه ساز دلونگی (معرفی و طرز کار تمام مدلها)

طرز کار با قهوه ساز دلونگی مدل 420 bco برای تهیۀ اسپرسو، کاپوچینو و کافه لاته با استفاده از نازل بخار انجام می‌شود. به این صورت که ظرف حاوی شیر را باید زیر نازل بخار قرار دهید و پس از چند ثانیه از ...

فولاد زنگ‌نزن 304 چیست؛ خواص فیزیکی و مکانیکی آن | آهن‌آنلاین

همانطور که از جداول زیر (جدول ترکیب شیمیایی استنلس استیل 304N و 304HN) مشخص است، گروه 304N و 304HN، نوع نیتروژن بالای 304 است که به‌وسیله استحکام‌دهی محلول جامد، …

Corrosion behavior of AISI type 304 L stainless steel in nitric …

The corrosion behaviour of AISI type 304L stainless steel (SS) in different concentration of 0.01M, 1M and 5M HNO3 in presence of oxidizing ions at different temperatures has been evaluated. The ...

AISI 304 vs 304L Stainless Steel Properties (UNS …

Recommended annealing temperatures for AISI 304L stainless steel is 1010-1120 °C (1850-2050 °F). Hardening: SS304L cannot be hardened by heat treatment, but can be …

Complex Interdependency of Microstructure, Mechanical …

The increase in hardness of AISI 304L after application of DCT cannot be linked to a more effective transformation of retained austenite into martensite [11,15,36] or by higher solution annealing temperature, because the control with a higher selected temperature (1080 °C) has lower hardness value compared to tested DCT1.

Fatigue life improvement of AISI 304L cruciform welded …

In addition, Singh et al. reported that in load-carrying AISI 304L fillet joints up to 70% of the fatigue life was spent propagating the original lack of a penetration crack of 0.5 mm [16, 17 ...

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 …

aisi 304l

Type 304L chrome steel is an extra-low carbon version of the 304 steel alloy. The decrease carbon content in 304L minimizes deleterious or dangerous carbide precipitation on account of welding. 304L can, subsequently, be used "as welded" in severe corrosion environments, and it eliminates the necessity for annealing.

A Review on Welding of AISI 304L Austenitic …

Abstract and Figures. AISI 304L is an austenitic Chromium-Nickel stainless steel offering the optimum combination of corrosion resistance, strength, and ductility. These attributes make it a ...

(PDF) Study of Martensitic Transformation in 304L

nano/submicron grained AISI 304L stainless steel through the ma rtensite reversion process. Materials . Science and Engineering A, 527 (27-28), 7334-7339.

Comparative study on weldability of Ti-containing TWIP and AISI 304L …

In this study, a pair of welds was made in austenitic stainless steel AISI 304L and the novel twinning-induced plasticity (TWIP) steel microalloyed with titanium. Microstructural characterization and mechanical assessment were conducted with the aim to compare the weldability of both materials. The weld joints were performed in two passes …

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 ...

Stainless Steel AISI 304L

· AISI 304L is the low carbon version of AISI 304 (0.08 %C) which may be susceptible to intergranular corrosion in certain corrosive media after it is welded or otherwise heated at temperatures between 430 and 860°C.

What's the Difference Between Grade 304 and …

In grade 304 stainless steel, the maximum carbon content is set at 0.08%, whereas grade 304L stainless steel has a maximum carbon content of 0.03%. This is why the "L" in 304L can be interpreted as meaning extra …

Investigation of friction welding parameters of AISI 304L/Ti …

Friction welding technique is adopted to join the dissimilar metals of AISI 304L and Ti-6Al-4V, their chemical compositions and mechanical properties are shown in tables 1 and 2 respectively. The welding parameters and design approaches were given in table 3.The friction welding machine (capacity of the continuous driving load is 60 tons) is …

ترانزیستور چگونه کار می کند ؟

طرز کار ترانزیستور به اینصورت است، چنانچه پیوند BE را بصورت مستقیم بایاس (Bias به معنی اعمال ولتاژ و تحریک است) کنیم بطوری که این پیوند PN روشن شود (برای اینکار کافی است که به این پیوند حدود 0.6 تا 0.7 ...

Stainless Steel 304 vs 304L

Mechanical Properties. Another difference between 304 and 304L stainless steel is its mechanical properties. 304 stainless steel is typically harder and stronger than …

EN 1.4301 / 304 / 1.4307 / 304L | 스베르드룹 스틸

재료 설명. AISI 304는 향상된 가공성을 갖춘 오스테니틱 크롬-니켈 강철입니다. 이 등급은 대기 부식, 많은 유기 및 무기 화학 물질, 질산, 적당한 온도에서 의한 부식 용액 및 식음료와 같은 산을 산화시키는 다목적 범용 스테인레스 스틸입니다. 생산 기술로 인해 ...

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

Effect of Initial Predeformation on the Plastic Properties of …

The mechanical properties of AISI 304L can be improved if the stainless steel is cold-formed before basic forming [25,26,27,28]. This property makes the material well suited for the production of roll-formed profiles to reduce the weight of the structures they are used in. These profiles, made from a pre-formed AISI 304L steel strip, are used ...

AISI 304

Im amerikanischen AISI System (American Iron and Steel Institute) kennt man unter den Nummern 304 und 304L folgende Stähle: 1.4301 – X5CrNI18-10 (AISI 304) 1.4307 – X2CrNiMo13-4 (AISI 304L) 1.4306 – X2CrNi19-11 (AISI 304L) Die Edelstahllegierungen AISI 304 und AISI 304L sind die bekanntesten und am meisten verwendeten Chrom …