ASTM A788 PDF

ASTM A788 PDF

ASTM A Standard Specification for Steel Forgings, General Requirements. to steel forgings under any of the following specifications issued by ASTM. This standard is issued under the fixed designation A/AM; the number . 1 ASTM Standards:3 A/AM Specification for Alloy Steel Forgings for. ASTM A/AMb. Standard Specification for Steel Forgings, General Requirements. standard by ASTM International, 11/01/ View all product details.

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Tension and hardness tests shall be conducted to evaluate mechanical properties such as the percentage of elongation and reduction of area.

Superstrength Alloy Steel Forgings. The material is then reheated to a temperature in the intercrtical range between the Ac1 and the Ac3 and again cooled below asfm Ac1, followed by subcritical tempering in the range speci? This steel is forged through various process depending upon the temperature at which it is done.

ASTM A Steel Forgings Supplier Manufacturer Stockist

Level S—Shear Wave S Bar coding is an acceptable supplemental identi? Wrought Awtm Steel Wheels. The upper shelf energy level is de? Combining values from the two systems may result in non-conformance with the standard. Repair welding shall not be allowed unless permitted by the product specification.

Supplementary Requirement S4 concerns a specialized heat treat process see 3. This standard has been approved for use by agencies of the Department of Defense. Work Item s – proposed revisions of this standard.

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After forging, specimens shall be allowed to cool prior to reheating for heat treatment. The primary melting may incorporate separate degassing or re? Vacuum Carbon Deoxidation S9. Dimensions and Finish This abstract is a brief summary of the referenced standard. This suffix shall not be removed until the material speci? The listed variation value is subtracted from the minimum speci? Sequential or Continuous Strand Casting S3.

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. Sometimes referred to as a solid forging. Steel Forgings, Alloy, for Carburizing Applications. Originally approved in Looking for some more information? Cast shapes produced by a continuous casting process, without subsequent work, are considered to be ingots for the purposes of this speci?

Offer on Fasteners Sitemap. The resultant chemical analysis of each zone shall conform to the requirements of the product speci?

It is necessary to make this determination to ensure that each Furnace HeatA Weight, tons 25 50 50 B A B element in the official chemistry is represented by proportion to its amount in each individual furnace astmm. Forgings of large size are commonly used by industrial equipment and machinery such as steel, textile, paper, power generation and transmission, chemical and refinery industries.

ASTM A / AM – 10 Standard Specification for Steel Forgings, General Requirements

The evacuation system shall be capable of reducing the pressure surges, which occur each time a new portion of steel is admitted to the vessel to increasingly lower levels, until a blank-off pressure usually less than ? Details of heat and product analyses for the evaluation of chemical composition are thoroughly discussed.

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These elements are considered as incidental and may be present to the following maximum amounts: Link to Active This link will always route to the current Active version of the standard. The results of the method used shall conform to the requirements of the product speci?

The Forged Steel should be produced primarily by either electric-furnace, basic oxygen, vacuum-induction VIMor open-hearth melting process. The acceptance criteria shall be agreed upon between the purchaser and the producer. Magnetic Particle Examination S Combining values from the two systems may result in non-conformance with the standard.

ASTM A788 Stainless Steel Forged Fittings Suppliers

The last approved version of this historical standard is referenced on www. In modern times, industrial forging is done either with presses or with hammers powered by compressed air, electricity, hydraulics or steam. The purchaser may specify in the order a speci? Cooling Prior to Heat Treatment 7.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. The capacity of the system must also be sufficiently 7a88 to reduce the initial surge pressure at the start of the pour to a low level within 2 min.