Norm

ASTM A747/A747M - 07 en

Standard Specification for Steel Castings, Stainless, Precipitation Hardening

  • Deze norm is ingetrokken sinds 01-03-2012

45,11 54,58 Incl BTW

Over deze norm

Status Ingetrokken
Aantal pagina's 4
Gepubliceerd op 01-06-2007
Taal Engels

1.1 This specification covers iron-chromium-nickel-copper corrosion-resistant steel castings, capable of being strengthened by precipitation hardening heat treatment.

1.2 These castings may be used in services requiring corrosion resistance and high strengths at temperatures up to 600°F [315°C]. They may be machined in the solution-annealed condition and subsequently precipitation hardened to the desired high-strength mechanical properties specified in Table 1 with little danger of cracking or distortion.

1.3 The material is not intended for use in the solution-annealed condition. Note 1 - If the service environment in which the material is to be used is considered conducive to stress-corrosion cracking, precipitation hardening should be performed at a temperature that will minimize the susceptibility of the material to this type of attack.

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1.4 Supplementary requirements of an optional nature are provided for use at the option of the purchaser. The Supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.

1.5 This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

Details

ICS-code 77.140.80
Engelse titel Standard Specification for Steel Castings, Stainless, Precipitation Hardening
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