铜包钢导体检测

ASTM B228-2004芯线扭绞的包铜钢导线标准规范

1.1 This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. 1.2 For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, and Grade 30 EHS. 1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

ASTM B228-2011芯线扭绞的包铜钢导线标准规格

1.1 This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. 1.2 For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, and Grade 30 EHS. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM B228-2011a同心莱链铜包钢导线的标准规范

1.1 This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. 1.2 For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, and Grade 30 EHS. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM B228-2011a(2016)同心式绞合铜包钢导体的标准规格

1.1x00a0;This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. 1.2x00a0;For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, Grade 30 EHS, Grade 40 DSA, and Grade 30 DSA. The grades covered by this specification correspond to the following commercial designations: Grade 40 HS, High Strength, 40% Conductivity, Hard Drawn Grade 30 HS, High Strength, 30% Conductivity, Hard Drawn Grade 30 EHS, Extra High Strength, 30% Conductivity, Hard Drawn Grade 40 DSA, 40% Conductivity, Dead Soft Annealed Grade 30 DSA, 30% Conductivity, Dead Soft Annealed 1.3x00a0;The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4x00a0;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 and health practices and determine the applicability of regulatory limitations prior to use.

ASTM B228-2011a(2021)同心式绞合铜包钢导体的标准规范

1.1 This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. 1.2 For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, Grade 30 EHS, Grade 40 DSA, and Grade 30 DSA. The grades covered by this specification correspond to the following commercial designations: Grade 40 HS, High Strength, 40 % Conductivity, Hard Drawn Grade 30 HS, High Strength, 30 % Conductivity, Hard Drawn Grade 30 EHS, Extra High Strength, 30 % Conductivity, Hard Drawn Grade 40 DSA, 40 % Conductivity, Dead Soft Annealed Grade 30 DSA, 30 % Conductivity, D