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Standard Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service
Automaticky preložený názov:
Štandardné špecifikácie pre tepelne ošetrené uhlíková oceľ Kovanie pre nízkoteplotné a korozívne služby
NORMA vydaná dňa 1.10.2013
Označenie normy: ASTM A858/A858M-13
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2013
Kód tovaru: NS-4530
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
corrosive service applications, pipe fittings&ndash,steel, piping applications, pressure containing parts, temperature service applications&ndash,low, ICS Number Code 23.040.40 (Metal fittings)
1. Scope | ||
1.1 This specification covers heat-treated wrought carbon steel piping fittings with lowered carbon content of seamless and electric fusion-welded construction covered by the latest revisions in ASME B16.9, ASME B16.11, MSS SP-75, MSS SP-79, MSS SP-83, MSS SP-95, or MSS SP-97. Fittings differing from these ASME and MSS standards shall be furnished in accordance with Supplementary Requirement S58 of Specification A960/A960M. These fittings are for use in pressure components where inherent notch toughness and optimum sulfide-cracking resistance are required, such as oil and gas industry piping and distribution systems. 1.2 Optional supplementary requirements are provided for fittings when a greater degree of examination is desired. One or more of the supplementary requirements may be specified in the order. 1.3 This specification does not cover cast-welding fittings or fittings machined from castings. 1.4 The values stated in either SI units or inch-pound 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 non-conformance with the standard. Unless the other specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units. |
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2. Referenced Documents | ||
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