| 1 | Metal, alloys and products | 7 | Drift expending test | Metallic materials -- Tube -- Drift-expanding test ISO 8493:1998 |
| 8 | Impact test | Metallic materials-Charpy pendulum impact test method GB/T 229-2007 |
| Metallic materials -- Charpy pendulum impact test -- Part 1: Test method ISO 148-1:2016 |
| Impact test methods on welded joints GB/T 2650-2008 |
| Destructive tests on welds in metallic materials -- Impact tests -- Test specimen location, notch orientation and examination ISO 9016:2012 |
| Metallic materials impact testing at ambient temperature HB 5144-1996 |
| Standard Test Methods for Notched Bar Impact Testing of Metallic Materials ASTM E23-2018 |
| Standard Test Methods and Definitions for Mechanical Testing of Steel Products ASTM A370-19e1 |
| 9 | Flattening test | Metal materials-Tube-Flattening test GB/T 246-2017 |
| Metallic materials -- Tube -- Flattening test ISO 8492:2013 |
| 10 | Rockwell hardness | Metallic materials - Rockwell hardness test - Part 1: Test method GB/T 230.1-2018 |
| Metallic materials - Rockwell hardness test - Part 1: Test method ISO 6508-1:2016 |
| Standard Test Methods for Rockwell Hardness of Metallic Materials HB 5172-1996 |
| Standard Test Methods for Rockwell Hardness of Metallic Materials ASTM E18-2019 |
| Standard Test Methods for Surface Rockwell Hardness of Metallic Materials HB 5147-1996 |
| Standard Test Methods and Definitions for Mechanical Testing of Steel Products ASTM A370-19e1 |
| 11 | Pledge load | Mechanical properties of fasteners - Bolts,screws and studs GB/T 3098.1-2010 |
| Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 1: Bolts, screws and studs with specified property classes -- Coarse thread and fine pitch thread ISO 898-1:2013 |
| Mechanical properties of fasteners - Nuts GB/T 3098.2-2015 |
| Mechanical properties of fasteners made of carbon steel and alloy steel -- Part 2: Nuts with specified property classes -- Coarse thread and fine pitch thread ISO 898-2:2012 |
