ASTM B/BM: Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed). ASTM B Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)1_机械/仪表_工程科技_专业资料。ASTM 标准. ASTM B/BM Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed). standard by ASTM International.
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This specification establishes the requirements for copper and copper die forgings produced by hot pressing method. This standard does not purport to address all of the safety concerns, if any, associated with its use. Special Government Requirements A number in parentheses indicates the year of last reapproval.
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This standard has been approved for use by agencies of the Department of Defense. Soldering is rated as “excellent”, brazing is rated as “good”, oxyacetylene welding is “not recommended”, gas shielded arc welding is “not recommended”, coated metal arc welding is “not recommended”, spot welding is “not recommended”, seam welding is “not recommended”, and butt welding is rated as “fair”.
Products shall be tested to examine their conformance to mechanical tensile and yield strengths, and elongationdimensional, and chemical composition requirements. 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.
A B Silver counting as copper. Link to Active This link will always route to the current Active version of the standard. The shear wave entrant angle shall be such to ensure re?
C and C and speci? Recalibration shall be performed at least once per 8-h shift. Work Item s – proposed revisions of this standard. The axis of the tensile specimen shall be located at any point midway between the center and the surface of solid forgings and at any point midway between the inner and outer surfaces of the wall of hollow forgings, and shall be parallel to the direction of greatest grain? It is the responsibility of the user of this standard to establish 1 This speci?
The position and amplitude of the response from each notch shall be marked on the instrument screen or a transparent overlay, and these marks shall be used as the evaluation reference. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Liquid Penetrant Inspection—When speci?
C and C shall depend only on tensile strength. Notch length shall not exceed 1 in. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The annealing temperature for this alloy is between and F.
H Carbon shall be 0. Active view current version of standard. This alloy’s capacity for being hot formed is rated as “excellent”. Note 1—Nominal composition and relative forgeability ratings are given in Appendix X1.
Asgm are to be drilled to midsection and the bottom of the hole shall be parallel to the entrant surface. C and C shall be furnished as: C copper-zinc-silicon C copper-nickel C copper-nickel C nickel silver, Historical Version s – view previous versions of standard.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior asmt use.
ASTM B Standard Specification for Copper and Copper-Alloy Die Forgings (Hot-Pressed)1_百度文库
This abstract is a brief summary of the referenced standard. C This includes copper plus silver plus tellurium.
If approved by the purchaser, the forgings may be bundled or boxed and each bundle or box provided with a metal or oil-proof tag showing n283 above information. Sampling—The lot size, portion size, and selection of sample pieces shall be as follows: The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard. Electrical Resistivity microhm-cm at 68 Deg F. For contact testing, the search unit shall be?