ASTM B188-09

Standard Specification for Seamless Copper Bus Pipe and Tube

STANDARD published on 1.10.2009

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The information about the standard:

Designation standards: ASTM B188-09
Note: WITHDRAWN
Publication date standards: 1.10.2009
SKU: NS-5645
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B188-09 :

Keywords:

copper bus pipe, copper bus tube, electrical conductors, extra strong, regular, standard sizes, Copper UNS Nos. C10100, C10200, C10300, C10400, C10500, C10700, C11000, C11300, C11400, C11600, C12000, UNS C11300 (silver-bearing tough pitch, STP), UNS C11400 (silver-bearing tough pitch, STP), UNS C11600 (silver-bearing tough pitch, STP), UNS C12000--pipe/tube (seamless/welded), Copper pipe--specifications, Copper tube--specifications, Extra-strong copper bus pipe/tube

Additional information

Significance and Use

For purposes 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 Calculated or Observed Value

Chemical composition	nearest unit in the last right-hand place of figures of the specified limit
Hardness
Electrical resistivity	nearest unit in the last right-hand place of figures
Electrical conductivity
Tensile strength	nearest ksi (5 MPa)
Elongation: below 5 %	nearest multiple of 0.5 %
5 % and over	nearest 1 %

1. Scope

1.1 This specification establishes the requirements for seamless copper bus pipe and tube intended for use as electrical conductors.

1.1.1 The product shall be made from one of the following coppers, as denoted in the ordering information:

	Previously
Copper	Used Desig-
UNS No.	nation	Type of Copper

C10100	OFE	Oxygen-free, electronic
C10200	OF	Oxygen-free without residual deoxidants
C10300	—	Oxygen-free, extra low phosphorus
C10400, C10500, C10700	OFS	Oxygen-free, silver bearing
C11000	ETP	Electrolytic tough pitch
C11300, C11400, C11600	STP	Silver-bearing tough pitch
C12000	DLP	Phosphorized, low residual phosphorus

1.2 Unless otherwise specified, any one of the above coppers may be furnished.

1.3 Units—Values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

2. Referenced Documents

E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E243-24	Standard Practice for Electromagnetic (Eddy Current) Examination of Copper and Copper-Alloy Tubes
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E53-07	Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
E18-25	Standard Test Methods for Rockwell Hardness of Metallic Materials
E8/E8M-25	Standard Test Methods for Tension Testing of Metallic Materials
B846-24	Standard Terminology for Copper and Copper Alloys
B601-24	Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
B577-24	Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
B428-24	Standard Test Method for Angle of Twist in Rectangular and Square Copper and Copper Alloy Tube
B193-25	Standard Test Method for Resistivity of Electrical Conductor Materials
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

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