2025-12-24 10.8.118.215
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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
TB/T 2451-1993 Metallographic Inspection for Non-metallic Inclusion in Cast Steel 180.0 via email in 1 business day superseded,2020-12-1,1994-7-1
GB/T 11343-1989 Ultrasonic angle beam examination by the contact method 224.0 via email in 1~3 business day superseded2008-11-01,2008-11-1,1990-1-1
YB 4052-1991 Metallographic inspection for high Ni-Cr infinite chilled centrifugal cast iron 150.0 via email in 1~3 business day abolished2015-04-30,,1992-1-1
TB/T 2450-1993 Metallographic Inspection for ZG 230-450 Cast Steel 255.0 via email in 1~3 business day superseded,2019-1-1,1994-7-1
YS/T 449-2002 Copper and copper alloys inspction method of microstructure for cast and wrought products 120.0 via email in 1~3 business day superseded,,2003-1-1
GB/T 17169-1997 Test method for the surface quality of polished silicon wafers and epitaxial wafers by optical-reflection 380.0 via email in 1~3 business day abolished2005-10-14,,1998-8-1
YS/T 347-2004 Copper and copper alloys - Estimation of average grain size 150.0 via email in 1~3 business day superseded,2021-4-1,2004-11-1
GB 226-1991 Etch test for macrostructure and defect of steels 40.0 via email in 1 business day superseded,2016-6-1,1992-3-1
GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels 60.0 via email in 1 business day to be superseded,2026-3-1,2002-5-1
GB/T 32790-2016 Methods for evaluating the weld quality of seam welds in aluminium and aluminium alloy extrusion 80.0 via email in 1 business day valid,,2017-7-1
GB/T 4296-1984 Magnesium alloy wrought products--Microstructure--Inspection method 180.0 via email in 1~3 business day superseded,2004-9-1,1985-3-1
GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes 300.0 via email in 1~3 business day valid,,2010-4-1
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TB/T 2451-1993 Metallographic Inspection for Non-metallic Inclusion in Cast Steel 
  Issued on: 1993-11-11   Price(USD): 180.0
GB/T 11343-1989 Ultrasonic angle beam examination by the contact method 
  Issued on: 1989-05-08   Price(USD): 224.0
YB 4052-1991 Metallographic inspection for high Ni-Cr infinite chilled centrifugal cast iron 
  Issued on: 1991-05-04   Price(USD): 150.0
TB/T 2450-1993 Metallographic Inspection for ZG 230-450 Cast Steel 
  Issued on: 1993-11-11   Price(USD): 255.0
YS/T 449-2002 Copper and copper alloys inspction method of microstructure for cast and wrought products 
  Issued on: 2002-11-22   Price(USD): 120.0
GB/T 17169-1997 Test method for the surface quality of polished silicon wafers and epitaxial wafers by optical-reflection 
  Issued on: 1997-01-02   Price(USD): 380.0
YS/T 347-2004 Copper and copper alloys - Estimation of average grain size 
  Issued on: 2004-6-17   Price(USD): 150.0
GB 226-1991 Etch test for macrostructure and defect of steels 
  Issued on: 1991-6-22   Price(USD): 40.0
GB/T 1979-2001 STANDARD diagrams for macrostructure and defect of structural steels 
  Issued on: 2001-01-02   Price(USD): 60.0
GB/T 32790-2016 Methods for evaluating the weld quality of seam welds in aluminium and aluminium alloy extrusion 
  Issued on: 2016-08-29   Price(USD): 80.0
GB/T 4296-1984 Magnesium alloy wrought products--Microstructure--Inspection method 
  Issued on: 1984-03-28   Price(USD): 180.0
GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes 
  Issued on: 2009-6-25   Price(USD): 300.0
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