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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The values given in parentheses are mathematical conversions to SI units asstm are provided for information only and are not considered standard.
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ASTM A, A, A – Standards for Gray Iron Castings
Referenc Referenced ed Documents Documents 2. It is informational only and not an z319 part of the standard; the full text of the standard itself must be referred to for its use and application. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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ASTM A319, A126, A278 – Standards for Gray Iron Castings
Separately cast test bars having the required dimensions shall be poured from the same lot as the castings represented. Tension test shall be performed on each lot and materials shall conform to the tensile requirements specified.
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It is the intention of this specification to classify the irons axtm accordance with their carbon content equivalent, wherein the equation for its calculation is given herein.
ASTM A319 Grade II
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Originally approved in Surfaces of the castings shall be free from burnt-on sand and shall be reasonably smooth.
Chemical analysis shall be performed in each lot and shall conform to the required chemical composition for phosphorous and sulfur.
Manu Manufact facture ure 3. The castings shall be free from injurious defects. Copyright Compu-tecture, Inc.
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This specification covers gray iron for castings suitable for pressure-containing parts at a3119 temperatures. In other respects the castings shall conform to whatever points may be specially agreed upon between the manufacturer and the purchaser.
Castings shall be stress-relieved by placing them in a suitable furnace and heating them uniformly to the temperatures and for the times specified.
Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions. Add to Alert PDF.
Sco Scope pe 4. Class I, possessing superior thermal shock resistance; Class II, possessing average thermal shock resistance and moderately good tensile strength; and Class III, possessing a higher tensile strength than either Classes I or II. The three classes of gray iron covered here are: We are a non-profit group that run this website to share documents. We have no amendments or corrections for this standard.
Enter your personal account email address to request a password reset: Class I, possessing superior thermal shock resistance; Class II, possessing average thermal shock resistance and moderately good tensile strength; and Class III, possessing a higher tensile strength than either Classes I or II.
When chromium is present as an alloying element, each class shall be subdivided into types designated as follows: Current edition approved March 1, Note This specification is general, covering cast irons normally used for the above types of service, at temperatures as high as o F o C. Proceed to Checkout Continue Shopping. You may delete a document from your Alert Profile at any time.
Some are suitable for long service at the lower temperatures only, unless low stresses are involved. Standards Subsctiption may be the perfect solution. Chemical analysis shall be performed on each class of castings and shall meet the maximum requirement for carbon, phosphorus and sulfur.
The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Last previous edition approved in as A—71 Any combination of these alloying elements that assists in resisting oxidation or surface deterioration or in stabilizing the structure or retaining strength at elevated temperatures, may be used.
Subscription pricing is determined by: Search book title Enter keywords for book title search. The test bars shall be cast in dried siliceous sand molds maintained at approximately room temperature.
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