2024-11-22 3.15.239.145
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB 12940-1991 Technical specification for silver-graphite electrical contacts 190.0 via email in 1~3 business day abolished2008-12-01,2008-12-1,1992-3-1
GB 13397-1992 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 250.0 via email in 1~3 business day abolished2008-12-01,2006-12-1,1992-10-10
GB 5586-1985 Test methods for essential property of electrical contact materials 105.0 via email in 1~3 business day superseded,1998-10-1,1986-10-1
GB 5588-1985 Technical specification for silver-nickel silver-iron electrical contacts 135.0 via email in 1~3 business day abolished2003-03-01,2003-3-1,1986-10-1
GB/T 12940-2008 Technical specification for silver-graphite electrical contacts 180.0 via email in 1~3 business day superseded,2024-6-1,2008-12-1
GB/T 12940-2023 Technical specification for silver-graphite electrical contacts 270.0 via email in 1~3 business day valid,,2024-6-1
GB/T 13397-2008 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 210.0 via email in 1~3 business day to be superseded,2025-5-1,2008-12-1
GB/T 13888-2009 Method of measurement of the coercivity of magnetic materials in an open magnetic circuit 140.0 via email in 1~3 business day to be abolished2025-04-01,2025-4-1,2010-2-1
GB/T 17951-2005 Standard specification for magnetically hard materials 200.0 via email in 1 business day superseded,2022-10-1,2006-6-1
GB/T 20235-2006 Technical specification for silver-tin oxide electric contact materials 120.0 via email in 1~3 business day valid,,2006-12-1
GB/T 21219-2007 Magnetic materials - Classification 480.0 via email in 1~3 business day superseded,2024-6-1,2008-5-20
GB/T 21220-2007 Soft magnetic metallic materials 190.0 via email in 1~3 business day to be abolished2025-04-01,2025-4-1,2008-5-20
GB/T 24268-2009 Test methods for chemical analysis of silver-tin oxide electric contact material 210.0 via email in 1~3 business day valid,,2010-2-1
GB/T 24269-2009 Specification for CuCrFe electric contact material 100.0 via email in 1~3 business day valid,,2010-2-1
GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials 90.0 via email in 1 business day valid,,2010-2-1
GB/T 24273-2009 Test method for electrical properties of electrical contact materials 150.0 via email in 1~3 business day valid,,2010-2-1
GB/T 24296-2009 Standard specifications for sintered soft magnetic materials 70.0 via email in 1~3 business day valid,,2010-2-1
GB/T 24300-2009 Test method of flaws of Cu-W contact 120.0 via email in 1~3 business day valid,,2010-2-1
GB/T 26867-2011 Specification for CuCr electrical contact 150.0 via email in 1~3 business day valid,,2011-12-1
GB/T 26871-2011 Metallographic examination of electrical contact materials 150.0 via email in 1~3 business day to be superseded,2025-5-1,2011-12-1
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GB 12940-1991 Technical specification for silver-graphite electrical contacts 
  Issued on: 1991-06-06   Price(USD): 190.0
GB 13397-1992 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 
  Issued on: 1992-03-15   Price(USD): 250.0
GB 5586-1985 Test methods for essential property of electrical contact materials 
  Issued on:   Price(USD): 105.0
GB 5588-1985 Technical specification for silver-nickel silver-iron electrical contacts 
  Issued on: 1985-11-20   Price(USD): 135.0
GB/T 12940-2008 Technical specification for silver-graphite electrical contacts 
  Issued on: 2008-4-23   Price(USD): 180.0
GB/T 12940-2023 Technical specification for silver-graphite electrical contacts 
  Issued on: 2023-11-27   Price(USD): 270.0
GB/T 13397-2008 Technical specification for silver-metaloxide electrical contacts by alloy internal oxidation method 
  Issued on: 2008-04-23   Price(USD): 210.0
GB/T 13888-2009 Method of measurement of the coercivity of magnetic materials in an open magnetic circuit 
  Issued on: 2009-09-30   Price(USD): 140.0
GB/T 17951-2005 Standard specification for magnetically hard materials 
  Issued on: 2005-9-19   Price(USD): 200.0
GB/T 20235-2006 Technical specification for silver-tin oxide electric contact materials  
  Issued on: 2006-4-30   Price(USD): 120.0
GB/T 21219-2007 Magnetic materials - Classification 
  Issued on: 2007-12-3   Price(USD): 480.0
GB/T 21220-2007 Soft magnetic metallic materials 
  Issued on: 2007-12-3   Price(USD): 190.0
GB/T 24268-2009 Test methods for chemical analysis of silver-tin oxide electric contact material 
  Issued on: 2009-6-19   Price(USD): 210.0
GB/T 24269-2009 Specification for CuCrFe electric contact material 
  Issued on: 2009-6-19   Price(USD): 100.0
GB/T 24270-2009 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials 
  Issued on: 2009-6-19   Price(USD): 90.0
GB/T 24273-2009 Test method for electrical properties of electrical contact materials 
  Issued on: 2009-6-19   Price(USD): 150.0
GB/T 24296-2009 Standard specifications for sintered soft magnetic materials 
  Issued on: 2009-9-30   Price(USD): 70.0
GB/T 24300-2009 Test method of flaws of Cu-W contact 
  Issued on: 2009-9-30   Price(USD): 120.0
GB/T 26867-2011 Specification for CuCr electrical contact  
  Issued on: 2011-7-29   Price(USD): 150.0
GB/T 26871-2011 Metallographic examination of electrical contact materials  
  Issued on: 2011-7-29   Price(USD): 150.0
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