| Type of Sample / Test | Test Description | Standard | HOKLAS Accreditation |
| Welds | Bend test on shear stud connectors | BS 5400-6 : 1999 Cl. 5. 5.4(b) | Yes |
| BS EN ISO 14555 : 2014 Cl. 11.3 |
| (destructive) | Buildings Department Code of Practice for Structural Use of Steel (2005) Cl. 14.3.7.3 |
| Buildings Department Code of Practice for Structural Use of Steel (2005) Cl. 14.3.7.3 |
| Welds | Visual examination | BS 5289 : 1976 | Yes |
| BS EN 970 : 1997 |
| BS EN ISO 17637 : 2011 |
| in conjunction with the following specification(s) : |
| BS 4515 1: 2000 Table 5 |
| (non-destructive) | BS 5135 : 1984 Table 18 & 19 |
| BS EN 25817 : 1992 Table 1 |
| Buildings Department Code of Practice for Structural Use of Steel (2005/2011) Table 14.3b |
| Welds | Magnetic particle test | BS 6072 : 1981 (1986) | Yes |
| BS EN 1290 : 1998 |
| BS EN ISO 9934-1 : 2001 |
| BS EN ISO 17638 : 2009 |
| (non-destructive) | (magnetic flow method, colour contrast technique using permanent magnets A.C. yokes) | in conjunction with the following specification(s): |
| BS 4515-1 : 2000 Table 5 |
| BS 5135 : 1984 Table 18 & 19 |
| BS EN 25817 : 1992 Table 1 |
| Buildings Department Code of Practice for Structural Use of Steel (2005/2011) Table 14.3b |
| Welds | Ultrasonic test | BS 3923 : Part 1 : 1986 (Level 1, 2A, 2B & 3) (butt welds in plates and ‘T' - joint welds) | Yes |
| BS EN 1714 : 1998 (Level A, B & C) (butt welds in plates and ‘T' - joint welds) |
| BS EN ISO 17640 : 2010 (Level A, B & C) (butt welds in plates and ‘T' - joint welds) |
| in conjunction with the following specification(s): |
| BS 4515-1 : 2000 Table 5 |
| (non-destructive) | BS 5135 : 1984 Table 18 & 19 |
| BS 5400-6 : 1999 Cl. 5.5 4.2 |
| BS EN 25817 : 1992 Table 1 |
| BS EN ISO 5817 : 2007/ 2014 Table 1 |
| Buildings Department Code of Practice for Structural Use of Steel (2005/2011) Table 14.3b |
| Welds | Dye Penetrant Examination of Welds - Colour Contrast Method | BS 6443 : 1984 (Colour contrast method) | No |
| (non-destructive) |
| Welds | Dye Penetrant Examination of Welds - Colour Contrast Method | BS EN 571 : Part 1 : 1997 (Colour contrast and solvent removal method) | No |
| (non-destructive) |
| Welds | Dye Penetrant Examination of Welds - Colour Contrast Method | BS EN ISO 3452: Part 1: 2013 (Colour contrast method) | No |
| (non-destructive) |
