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Norma ASTM B395/B395M-18 1.3.2018 náhled

Doplňující informace

ASTM B395/B395M-18

Standard Specification for U-Bend Seamless Copper and Copper Alloy Heat Exchanger and Condenser Tubes

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NORMA vydána dne 1.3.2018

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Informace o normě:

Označení normy: ASTM B395/B395M-18
Datum vydání normy: 1.3.2018
Kód zboží: NS-811770
Počet stran: 12
Přibližná hmotnost: 36 g (0.08 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM B395/B395M-18 :

This specification establishes the requirements for condenser, evaporator, and heat exchanger U-bends that are manufactured from seamless copper and copper alloy tube. The material of manufacture shall be of such quality and purity that the finished product shall have the properties and characteristics specified. The material shall conform to the chemical composition requirements specified. Tensile test, expansion test, flattening test, mercurous nitrate test or ammonia vapor test, nondestructive examination, hydrostatic test, and pneumatic test shall be made to conform to the requirements specified.

Keywords:

condenser tube, copper, copper alloy, dual-gage, evaporator, heat exchanger, U-bend tube, C10200, C10300, C10800, C12000, C12200, C14200, C19200, C23000, C44300, C44400, C44500, C60800, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C72200,, ICS Number Code 23.040.15 (Non-ferrous metal pipes)

Doplňující informace

Significance and Use

18.1 For purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.

Property	Rounded Unit for Observed or Calculated Value

Chemical composition	nearest unit in the last
	right-hand significant digit used in expressing the limiting value
Tensile strength	nearest ksi [nearest 5 MPa]
Elongation	nearest 1 %
Expansion	nearest 1 %
Grain size	nearest multiple of 0.005 mm

1. Scope

1.1 This specification2 establishes the requirements for condenser, evaporator, and heat exchanger U-bend tubes that are manufactured from seamless copper and copper alloy tube.

1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, 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.

1.3 This specification is applicable to product 2 in. [50 mm] or less, inclusive, in diameter.

1.4 The product shall be produced from one of the following coppers or copper alloys, as specified in the ordering information:

Copper or
Copper Alloy
UNS No.

Previously Used
Designation

Type of Metal

C10200

OF^A

oxygen-free without residual deoxidants

C10300

...

oxygen-free, extra low phosphorus

C10800

...

oxygen-free, low phosphorus

C12000

DLP^A

phosphorized, low residual phosphorus

C12200

DHP^A

phosphorized, high residual phosphorus

C14200

DPA^A

phosphorized, arsenical

C19200

...

phosphorized, 1 % iron

C23000

...

red brass

C44300

Type B

admiralty metal

C44400

Type C

admiralty metal

C44500

Type D

admiralty metal

C60800

...

aluminum bronze

C68700

Type B

aluminum brass

C70400

...

95-5 copper-nickel

C70600

...

90-10 copper-nickel

C70620

...

90-10 copper-nickel-
(modified for welding)

C71000

...

80-20 copper-nickel

C71500

...

70-30 copper-nickel

C71520

...

70-30 copper-nickel-
(modified for welding)

C72200

...

copper-nickel

1.5 The following safety hazard caveat pertains only to the test methods described in this specification.

1.5.1 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. (Warning—Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.)

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

B153-22	Standard Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing
E2575-19	Standard Test Method for Determination of Oxygen in Copper and Copper Alloys by Inert Gas Fusion
B224-16(2022)	Standard Classification of Coppers
B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
B900-16(2022)	Standard Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies
B154-16(2022)	Standard Test Method for Mercurous Nitrate Test for Copper Alloys
B968/B968M-16(2022)	Standard Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E53-07	Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E243-18	Standard Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy Tubes
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
B858-06(2018)	Standard Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys
E3-11(2017)	Standard Guide for Preparation of Metallographic Specimens
E112-13(2021)	Standard Test Methods for Determining Average Grain Size
ASME Boiler and Pressure Vessel Code
E118-89(1996)	Standard Test Methods for Chemical Analysis of Copper-Chromium Alloys

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