ASTM A941 PDF
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 Status: Withdrawn · Replaced by: ASTM A Buy this standard. Status: Alert Withdrawn.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):||1 June 2013|
|PDF File Size:||18.25 Mb|
|ePub File Size:||1.54 Mb|
|Price:||Free* [*Free Regsitration Required]|
This service is not available if you are a URL user where you do not log in with an email address.
Small amounts of silicon and copper are usually added to the austenitic stainless steels containing molybdenum to improve corrosion resistance to sulfuric acid. The addition of sulfur, however, does reduce the resistance to pitting corrosion. asfm
ASTM A941 – 18
The addition of molybdenum to the Cr-Fe-Ni matrix adds resistance to localized pitting attack and better resistance to crevice corrosion particularly in Cr-Fe ferritic grades. Today all stainless steel are finished in an AOD vessel and the carbons levels are generally low due to the absence of oxygen.
The benefits of a subscription: The higher the chromium level the greater the protection. Metals are rarely used in their pure form. At this high level, something was needed to stabilize the carbon and titanium was the most common way. The most common grade today is with 0. 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.
Sulfur is generally kept to low levels as it can form sulfide inclusions. If, in localized areas, the chrome is reduced to below It also makes the material non-magnetic. Standards monitoring is a free service designed for you who wish to ast, alerted of changes to or new editions of the standards required in your work.
A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. NOK 1 ,00 adtm. These alloying additions improved corrosion resistance in different service environments and determine strength levels, formability, machinability and other desirable characteristics.
Nickel is the essential allying element in the series stainless steel grades. In all categories except martensitic, the a9441 is kept quite low. 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.
When stainless steel is melted in air, it is difficult to reducing the carbon levels.
The low carbon levels, however, tend ast, reduce the yield strength. Alloying elements are added to change their properties. If you need to be able to add standards to the monitoring service, you must register as a user with your own username and password.
Heat treating by heating to a high temperature, quenching and then tempering develops the martensitic phase. Titanium is asrm main element used to stabilize stainless steel before the use of AOD Argon-Oxygen Decarburization vessels. Carbon can have an effect on the corrosion resistance. The amount of carbon is the key.
ASTM A Standard Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
There are over different stainless steels with unique alloying element combinations. Carbon is always present in stainless steel. This ensures that you are always up-to-date and saves you both time and money. In martensitic grade the level is deliberately increased to obtain high strength and hardness. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Webprint Printed and bound.
Start Webshop Product catalog Product presentation. Read more about subscriptions. You need to log in before adding standards to the monitoring service. Niobium additions prevents inter-granular corrosion, particularly in the heat effected zone after welding.
Monitoring Standards monitoring is a free service awtm for you who wish to be alerted of changes to or new editions of the standards required in your work. Niobium helps prevent the formation of chrome carbides, that can rob the microstructure of the required amount of chromium for passivation.
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. Once the composition contains at least The addition of nitrogen helps to raise the yield strength levels back to the same level as standard grades.