ASTM A319 PDF

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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Castings shall be stress-relieved by placing them in a suitable furnace and heating them uniformly to the temperatures and for the times specified.

ASTM-A, –

You may delete a document from your Alert Profile at any time. ASTM does not give any warranty express or implied adtm make any representation that the contents of this abstract are accurate, complete or up to date.

Tension test shall be performed on each lot and materials shall conform to the tensile requirements specified. 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.

Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions. Referenc Referenced ed Documents Documents 2. Already Subscribed to this document. No further reproductions authorized. In other respects the castings shall conform to whatever points may be specially agreed upon between the manufacturer and the purchaser.

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The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

ASTM A319.370238-1

There were no books found for the applied search filters. Physical Requirements Requirements 1. Carbon content equivalent 5 C 1 0. Some are suitable for long service at the lower temperatures only, unless low stresses are involved. Your Alert Profile lists the documents that will be monitored. 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.

As the voice of the U. The test bars shall be cast in dried siliceous sand molds maintained at approximately room temperature.

ASTM A, A, A – Standards for Gray Iron Castings

Separately cast test bars having the required a3199 shall be poured from the same lot as the castings represented. It is recommended that embrittling impurities be held to the following maximum maximu m limits: Last previous edition approved a3319 as A—71 Chemical analysis shall be performed on each class of castings and shall meet the maximum requirement for carbon, phosphorus and sulfur.

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. Sco Scope pe 4. 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. It is not intended intended to asym 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.

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Thank you for interesting in our services. When chromium is present as an alloying element, each class shall be a3199 into types designated as follows: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Size px x x x x Castings to z319 used at a particular temperature range shall undergo heat treatment and cooling.

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ASTM A319, A126, A278 – Standards for Gray Iron Castings

The castings shall be free from injurious defects. 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. A number in paren parenthese thesess indicates the year of last reappr reapproval. Surfaces of the castings shall be free from burnt-on sand and shall be reasonably smooth.

Some are suitable for long service at the lower temperatures only, unless low stres stresses ses astk involv involved.