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ASTM 美国材料与试验标准 › ASTM B477,539,541,542,576,596,615,617,628,667,693,742,854,878Electrical Contact
shukesan
发表于 2019-11-29 11:00:56
B683 − 01 (Reapproved 2012) Standard Specification for Pure Palladium Electrical Contact Material
shukesan
发表于 2019-11-29 11:07:27
B663/B663M − 16 Standard Specification for Silver-Tungsten Carbide Electrical Contact Material
shukesan
发表于 2019-11-29 11:10:19
B662 − 94 (Reapproved 2012) Standard Specification for Silver-Molybdenum Electrical Contact Material
shukesan
发表于 2019-11-29 11:11:49
B631 − 93 (Reapproved 2016) Standard Specification for Silver-Tungsten Electrical Contact Materials
shukesan
发表于 2019-11-29 11:16:33
B563 − 01 (Reapproved 2017) Standard Specification for Palladium-Silver-Copper Electrical Contact Alloy
shukesan
发表于 2019-11-29 11:44:10
B540 − 97 (Reapproved 2017) Standard Specification for Palladium Electrical Contact Alloy
admin
发表于 2019-11-29 11:44:36
谢谢您的分享,金币已奖励!
shukesan
发表于 2019-11-29 11:45:25
B522 − 01 (Reapproved 2017) Standard Specification for Gold-Silver-Platinum Electrical Contact Alloy
shukesan
发表于 2019-11-29 11:46:48
B476 − 01 (Reapproved 2017) Standard Specification for General Requirements for Wrought Precious Metal Electrical Contact Materials
shukesan
发表于 2019-11-29 11:48:02
B277 − 18 Standard Test Method for Hardness of Electrical Contact Materials