1 | Metal & Metallic products | 1 | Tensile property | Metallic materials - Tensile testing at ambient temperature GB/T 228.1-2010 |
2 | Rockwell hardness | Metallic materials Rockwell hardness test Fart 1 :Test method(scales A,B,C,D,E,F,G,H,K,N,T) GB/T 230.1-2009 |
3 | Vikers hardness | Metallic materials - Vickers hardness test - Part 1: Test method GB/T 4340.1-2009 |
1 | Metal & Metallic products | 4 | Depth of carburized and hardened cases | Steels - Determination and verification of the depth of carburized and hardened cases GB/T 9450-2005 |
5 | Depth of decarburization | Determination of depth of decarburization of steels GB/T 224-2008 |
6 | Metallic coating thickness | Metallic and oxide coatings - Measurement of thickness - Microscopical method GB/T 6462-2005 |
1 | Metal & Metallic products | 7 | Cold forging test | Metallic materials - Forging test YB/T 5293-2014 |
2 | Ferro-Magnetic materials | 1 | Average grain size | Metal - methods for estimating the average grain size GB/T 6394-2002 |
2 | Ferro-Magnetic materials | 2 | Determination of nonmetallic inclusions | Steel - Determination of content of nonmetallic inclusions - Micrographic method using standards doagrams GB/T 10561-2005 |
3 | Spheroidite grade | Spheroidite grade of low and medium carbon steel JB/T 5074-2007 |
