Download ASTM A Designation: A − 71 (Reapproved ) Standard Speciﬁcation for. Gray Iron Castings for Elevated. ASTM A – Download as PDF File .pdf), Text File .txt) or read online. A – Download as PDF File .pdf), Text File .txt) or read online. Referenced Documents ASTM Standards: A 48 Speciﬁcation for Gray Iron Castings2 3.
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ASTM A – Free Download PDF
This standard is also q319 to be included in Standards Subscriptions. Your Alert Profile lists the documents that will be monitored. Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions.
Please fill this form, we will try to respond as soon as possible. Iron used in supplying castings shall conform to the required tensile strength.
The three classes of gray iron covered here are: If you like to setup a quick demo, let us know at support madcad. The alloying elements, which, in addition to chromium, are commonly added to improve these properties, are copper, molybdenum, nickel, and vanadium. The castings shall be free from injurious defects. Originally approved in It is the intention of this specification to classify the irons in accordance with their carbon content equivalent, wherein the equation for its calculation is given herein.
If the document is revised or amended, you will be notified by email. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.
This book also exists in the following packages Grate bars; Gray iron castings–specifications; Ingot molds; Metal melting pots; Oil still furnace parts; Stoker links; Caustic pots; Elevated temperature service applications; Firebox parts; Glass molds. Tension test shall be conducted on each class of gray iron castings and shall conform to the specified values of tensile strength.
It is not intended to imply that all three classes are suitable throughout this entire temperature range without regard to actual service stresses.
This specification covers gray iron for castings suitable for pressure-containing parts at elevated temperatures. Note This specification is general, covering cast irons normally used for the above types of x319, at temperatures as high as o F o C. Current edition approved March 1, You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The maximum hardness at the locations on castings that are to be mac machi hine ned d sh shall all be a ma matte tterr of ag agre reem emen entt be betw twee een n th thee manufacturer and the purchaser.
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Sco Scope pe 4. This guide covers standard specification for three classes a19 gray iron for castings intended for use as valve pressure retaining parts, pipe fittingsand flanges. The values given in parentheses are mathematical conversions to SI units aztm are provided for information only and are not considered standard. This abstract is a brief summary of the referenced standard.
We are a non-profit group that run this website to share documents. Some are suitable for long service at the lower temperatures only, unless low stres stresses ses are involv involved. Please copy and paste this embed script to where you want to embed Embed Script.
ASTM A319, A126, A278 – Standards for Gray Iron Castings
This specification covers gray iron castings exposed to elevated temperatures for non-pressure containing parts such as grate bars, stoker links, stoker parts, oil still furnace parts, firebox parts, ingot molds, glass molds, caustic pots, and metal melting pots. Separately cast test bars having the required dimensions shall be poured from the same lot as the castings represented. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Results of such analyses shall be in accordance with the limits agreed upon. Enter your account email address to request a password reset: Need more than one copy? Referenc Referenced ed Documents Documents 2.
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Asym is the intention of this specification to classify the irons sstm accordance with their carbon content equivalent, wherein the equation for its calculation is given herein. There were no books found for the applied search filters. You may delete a document from your Alert Profile at a31 time. It is recommended that embrittling impurities be held to the following maximum maximu m limits: It is not intended intended to a3119 imply ly tha thatt all three cla classe ssess are suitable suitable throughout throug hout this entire temperature temperature range withou withoutt regar regard d to actual service stresses.
When chromium is present as an alloying element, each class shall be subdivided into types designated as follows: Last previous edition approved in as A—71 Add to Alert PDF. Castings to be used at a particular temperature range shall undergo heat treatment and cooling.
Please first log in with a verified email before subscribing to alerts. Chem Chemical ical Compositio Composition n 6. Some are suitable for long service at the lower temperatures only, unless low stresses are involved.
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