Standard Number, ASTM A – Title, Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys. Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys. Status: Withdrawn · Replaced by: ASTM A Buy this standard. Status: Alert Withdrawn. Norwegian title: Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys. English title: Standard.
|Published (Last):||13 February 2018|
|PDF File Size:||17.45 Mb|
|ePub File Size:||16.30 Mb|
|Price:||Free* [*Free Regsitration Required]|
If you need to be able to add standards to the monitoring service, you must register as a user with your own z941 and password. There are over different stainless steels with unique alloying element combinations.
Small amounts of silicon and copper are usually added to the austenitic stainless steels containing molybdenum to improve corrosion resistance to sulfuric acid. Nickel is the essential allying element in the series stainless steel grades.
SSINA: Stainless Steel: Overview
It also makes the material non-magnetic. Monitoring Asgm monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work. Carbon is always present in stainless steel.
The addition of nitrogen helps to raise the yield strength levels back to the same level as standard grades.
A491 elements asm added to change their properties. When stainless steel is melted in air, it is difficult to reducing the carbon levels. The astn common grade today is with 0. Sulfur is generally kept to low levels as it can form sulfide inclusions. Titanium is the main element used to stabilize stainless steel before the use of AOD Argon-Oxygen Decarburization vessels. Niobium helps prevent the formation of chrome carbides, that can rob the microstructure of the required amount of chromium for passivation.
Start Webshop Product catalog Product presentation. Carbon can have an effect on the corrosion resistance. The higher the chromium level the greater the protection. Generally manganese is added to stainless steels to assist in de-oxidation, during melting, and to prevent the formation of iron sulfide inclusions which can cause hot cracking problems.
If, in localized areas, the chrome is reduced to below Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in your work.
Today all stainless steel are finished in an AOD vessel and the carbons levels are generally low due to the absence of oxygen.
Once the composition contains at least The amount of carbon is the key. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Metals are rarely used in their pure form. In martensitic grade the level is deliberately increased to obtain high strength and hardness. You need to log in before adding standards to the monitoring service.
The benefits of a subscription: This service is not available if you are a URL user where you do not log in with an email address. At this high level, something was needed to stabilize the carbon and titanium was the most common way.
The addition of sulfur, however, does aa941 the resistance to pitting corrosion. Read more about subscriptions. Niobium additions prevents inter-granular corrosion, particularly in the heat effected zone after welding.
Heat treating by heating to a high temperature, quenching and then tempering develops the martensitic phase.
MANGANESE Generally manganese is added to stainless steels to assist in de-oxidation, during melting, and to prevent the formation of iron sulfide inclusions which can cause hot cracking problems.
This ensures that you are always up-to-date and saves you both time and money. NOK 1 ,00 excl. The addition of molybdenum to the Cr-Fe-Ni matrix adds resistance to localized pitting attack and better resistance to crevice a9941 particularly in Cr-Fe ferritic grades. A web subscription provides an easy and secure access to standards, astn you are guaranteed to always have the latest edition.
The low carbon levels, however, tend to reduce the yield strength.
In all categories except martensitic, astj level is kept quite low. These alloying additions improved corrosion resistance in different service environments and determine strength levels, formability, machinability and other desirable characteristics. Webprint Printed and bound.