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HB/Z 5095.2-2004 Methods for analysis of cyaniding plating brass solutions -- Part 2: Determination of free sodium cyanate content by potentiometric titrimetric method 60.0 via email in 1~3 business day valid
HB 7750-2004 Vacuum heat treatment of titanium alloy parts 150.0 via email in 1~3 business day valid
HB 7266.7-1996 Aluminum-lithium Alloy Chemical Composition Analysis Method - Determination of Silicon Content Through Silicon Molybdenum Blue Spectrophotometric Method 60.0 via email in 1~3 business day valid
HB 5476-1991 Method of Bonding Strength Test for Heat Spray Coating Layer 135.0 via email in 1~3 business day valid
GB/T 11377-2005 Metallic and other inorganic coatings-Genenal rules for corrosion tests applicable for storage conditions 120.0 via email in 1~3 business day valid
HB/Z 5218.4-2004 Methods for chemical analysis of aluminium alloys-Part 4:Determination of manganese content by potassium periodate spetrophotometric method 75.0 via email in 1~3 business day valid
HB/Z 5092.1-2001 30.0 via email in 1~3 business day valid
GB/T 30823-2014 Nickel-alloy probe testmethod for determination cooling characteristics of industrialquenching oil 100.0 via email in 1~2 business day valid
GB/T 18570.11-2009 Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 11: Field method for the turbidimetric de 120.0 via email in 1~3 business day valid
GB/T 33378-2016 Technical specification of cathodic protection 435.0 via email in 1~5 business day to be valid
QJ/Z 127-1984 Heat Treatment of Wrought Aluminium Alloy 285.0 via email in 1~3 business day valid
HB/Z 5108.1-1999 Analysis Method of Phosphating Solution - Determination of Free Acidity and Total Acidity Through Potentiometric Titration 30.0 via email in 1~3 business day valid
JB/T 7712-2007 Heat treatment of superalloy 120.0 via email in 1~3 business day valid
GB/T 9791-2003 conversion coatings on zine, cadmium, aluminium-zine alloys and zinc - Aluminium alloys - Test methods 105.0 via email in 1~3 business day valid
GB/T 19816.5-2005 Preparation of steel substrates before application of paints and related products—Test methods for metallic blast-cleaning abrasives—Part5:Determination of percentage defective particles and of microstructure 60.0 via email in 1~3 business day valid
HB/Z 5088.3-1999 Analysis Method for Nickel Plating Solution Determination of Sodium Chloride Content Through Potentiometric Titration 30.0 via email in 1~3 business day valid
JB/T 9198-1999 Salt bath sulpho nitrocarburizing 150.0 via email in 1~3 business day abolished
GB/T 12307.3-1997 Metallic coatings-Test methods for electrodeposited silver and silver alloy coatings. Part 3: Determination of the presence of residual salts 45.0 via email in 1~3 business day valid
HB/Z 5086.2-2000 Analysis Method for Cyaniding Electrocoppering Solution - Determination of Sodium Cyanide (Free) 45.0 via email in 1~3 business day valid
GB/T 19816.3-2005 Preparation of steel substrates before application of paints and related products- Test methods for metallic blast-cleaning abrasives- Part 3: Determination of hardness 60.0 via email in 1~3 business day valid
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