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 Status: Withdrawn ยท Replaced by: ASTM A Buy this standard. Status: Alert Withdrawn.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.

Author: Nikoshura Faek
Country: Gambia
Language: English (Spanish)
Genre: Spiritual
Published (Last): 4 December 2005
Pages: 62
PDF File Size: 19.21 Mb
ePub File Size: 15.94 Mb
ISBN: 938-1-74106-377-6
Downloads: 67378
Price: Free* [*Free Regsitration Required]
Uploader: Voodoodal

Sulfur is generally kept to low levels as it can form sulfide inclusions. You need to log in before adding standards to the monitoring aa941. These alloying additions improved corrosion resistance in different service environments and determine strength levels, formability, machinability and other desirable characteristics. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. NOK 1 ,00 excl.

The low carbon levels, however, tend to reduce the yield strength. 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. Titanium is the main element used to stabilize stainless steel before the use of AOD Argon-Oxygen Decarburization vessels.

In martensitic grade the level is deliberately increased to obtain high strength and hardness.

The benefits of a subscription: Astmm ensures that you are always up-to-date and saves you both time and money. In all categories except martensitic, the level is kept quite low.

Webprint Printed and bound. Small amounts of silicon and copper are adtm added to the austenitic stainless steels containing molybdenum to improve corrosion resistance to sulfuric acid. Metals are rarely used in their pure form.

  C PROGRAMIRANJE ZA APSOLUTNE POCETNIKE PDF

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. Alloying elements are added to change their properties. Niobium helps prevent the formation of chrome carbides, that can rob the microstructure of the required amount of chromium for passivation.

ROLE OF ALLOYING ELEMENTS IN STAINLESS STEEL

Nickel is the essential allying element in the series stainless steel grades. Start Webshop Product catalog Product presentation. At this high level, something was needed to stabilize the carbon and titanium was the most common way. Carbon can have an effect on the corrosion resistance. The higher the chromium level the greater the protection. The addition of nitrogen helps to raise the yield strength levels back to the same level as standard grades.

ASTM A941:06a

The addition of sulfur, however, does reduce the resistance to pitting corrosion. 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. The a9941 new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Today all stainless steel are finished in an AOD vessel and the carbons levels are generally low due to the absence of oxygen.

If, in localized areas, the chrome is reduced to below Heat treating by heating to a high temperature, quenching and then tempering develops the martensitic phase.

  AMITABH KUNDU COMMITTEE REPORT PDF

ASTM A – Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

This service is not available if you are a URL user where you do not log in with atm email address. When stainless steel is melted in air, it is difficult to reducing the carbon levels.

Carbon is always present in stainless steel. Standards monitoring is a free service designed for you who wish to be alerted of changes awtm or new editions of the standards required in your work. Read more about subscriptions.

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. A94 the composition contains at least Niobium additions prevents inter-granular corrosion, particularly in the heat effected zone after asfm. The amount of carbon is the key.

It also makes the material non-magnetic. The most common grade aatm is with 0. There are over different stainless steels with unique alloying element combinations. Monitoring 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.

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.