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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Last previous edition approved in as A—71 Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. 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 axtm materials shall conform to the tensile requirements specified. Please first log in with a verified email before subscribing to alerts.
A number in paren parenthese thesess indicates the year of last reappr reapproval.
Are you sure you want to empty the cart? Originally approved in Add to Alert PDF. Please login to your authorized staff account to use this feature. Grate bars; Gray iron castings–specifications; Ingot a39 Metal melting pots; Oil still furnace parts; Stoker links; Caustic pots; Elevated temperature service applications; Firebox parts; Glass molds. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
Carbon content equivalent 5 C 1 0. 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.
ASTM A319 Grade II
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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 A – Free Download PDF
The castings shall be free from injurious defects. Some are suitable for long service at the lower temperatures only, unless low stresses are involved. We need your help to maintenance this website. 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.
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ASTM A, A, A – Standards for Gray Iron Castings
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It is not intended to imply that all three classes are suitable throughout this entire temperature range without regard to actual service stresses. Some are suitable for long service at the lower temperatures only, unless low stres stresses ses are involv involved. Copyright Compu-tecture, Inc. Thank you for interesting in axtm services. 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.
We need your help! Your Alert Profile lists the documents that will be monitored. Iron used in supplying castings shall conform to the required tensile strength.
It is recommended that embrittling impurities be held to the following maximum maximu m limits: The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Referenc Referenced ed Documents Documents 2.
Search book title Enter keywords for book title search. This guide covers standard specification for three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittingsand flanges.
Some are suitable a39 long service at the lower temperatures only, unless low stresses are involved. It is not intended to imply that all three classes are suitable throughout this entire asym range without regard to actual service stresses.
If the document is revised or amended, you will be notified by email. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. If you like to setup a quick demo, let us know at support madcad.