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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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 test bars shall be cast in dried siliceous sand molds maintained at approximately room temperature. Standards Subsctiption may be the perfect solution. Fabio Augusto Hincapie Henao Category: Some are suitable for long service at the lower temperatures only, unless low stresses are involved.

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If the document is revised or amended, you will be notified by email. Already Subscribed to this document. Chemical analysis shall be performed in each lot and shall conform to the required chemical composition for phosphorous and sulfur.

ASTM A319 Grade II

Chem Chemical ical Compositio Composition n 6. Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions.

The three classes of gray iron covered here are: 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. In other respects the castings shall conform to whatever points may be specially agreed upon between the manufacturer and the purchaser. Please first verify your email before subscribing to alerts.

Manu Manufact facture ure 3. The maximum hardness at the locations on castings that are to be mac machi hine ned xstm 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. This specification covers gray iron castings exposed to elevated temperatures a391 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.

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ASTM does not give any warranty express or implied or make wstm representation that the contents of this abstract are accurate, complete or up to date. Please copy and paste this embed script to where you want to embed Embed Script. Wstm castings shall be free from injurious defects.

ASTM A – Free Download PDF

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It is not intended intended to imp 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. No further reproductions authorized. It is the intention of this specification to aa319 the irons in accordance with their carbon content equivalent, wherein the equation for its calculation is given herein.

We need your help to maintenance this website. If you like to setup a quick demo, let us know at support madcad. Thank you for interesting in our services. Are you sure you want to empty the cart? This standard is not included in any packages. Add to Alert PDF. Copyright Compu-tecture, Inc. Castings shall be stress-relieved by placing them in a suitable furnace and heating them uniformly to the temperatures and for the times specified.

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You may delete a document from your Alert Profile at any time. Iron used in supplying castings shall conform to the required tensile strength. Results of such analyses shall be in accordance with the limits agreed upon. 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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Need more than one copy? Chemical analysis shall be performed on each class of castings and shall meet the maximum requirement for carbon, phosphorus and sulfur. It a391 the intention of this specification to classify the irons in accordance with their carbon content equivalent, wherein a39 equation for its calculation is given herein. Enter your personal account email address to request a password reset: Separately cast test bars having the required dimensions shall be poured from the same lot as the castings represented.

Link to Active This link will always route to the current Active version of the standard. Grate bars; Gray iron castings–specifications; A31 molds; Metal melting pots; Oil still furnace parts; Stoker links; Caustic pots; Elevated temperature service applications; Firebox parts; Glass molds. There were no books found for the applied search filters. As the voice of the U. Any combination of these alloying elements that assists in resisting oxidation or surface deterioration or in stabilizing the atm or retaining strength at elevated temperatures, may be used.

This abstract is a brief summary of the referenced standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. No items in sstm. 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 3a19 pots.