ASTM B956-19 pdf free download

12-21-2020 comment

ASTM B956-19 pdf.Standard Specification for Welded Copper and Copper-Alloy Condenser and Heat Exchanger Tubes with Integral Fins.
This specification establishes the requirements for heat exchanger tubes manufactured from forge-welded copper and copper alloy tubing in straight lengths on which the external or internal surface, or both, has been modified by cold forming process to produce an integral enhanced surface for improved heat transfer.
The tubes are typically used in surface condensers, evaporators, and heat exchangers.
The product shall be produced of the following coppers or copper alloys, as specified in the ordering information.
2. Referenced Documents
B 153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing
B 154 Test Method for Mercurous Nitrate Test for Copper Alloys.
B224 Classification of Coppers.
B359/B359M Specification for Copper and Copper-Alloy Seamless Condenser and Heat Exchanger Tubes With Integral Fins.
B543/B543M Specification for Welded Copper and CopperAlloy Heat Exchanger Tube.
4. Types of Welded Tube
4.1 Reference Specification B543/B543M for the types of forge welded tube products that will be supplied for the enhancing operation (Section 6)。
5. Ordering Information
5.I Include the following information when placing orders for product under this specification as applicable
5. 1.1 ASTM designation and year of issue
5.1.2 Copper UNS No. designation (for example, Copper UNS No. C12000):
5.1.3 Tube type (Section 4)
5.1.4 Temper(Section 8)
5.1.5 Dimensions. the diameter. wall thickness. whether minimum or nominal wall, and length (Section 14)
5.1.6 Configuration of enhanced surfaces shall be agree upon between the manufacturer and the purchaser (Figs. 1-3);and
5.1.7 Quantity
5.2 The following options are available but may not be included unless specified at the time of placing of the order when required.ASTM B956-19 pdf free download.

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