1. ASTM (American Society for Testing and Materials) (2012a) ASTM E23 – 12c Standard test methods for notched bar impact testing of metallic materials. West Conshohocken, PA, USA, ASTM International
2. ASTM (2012b) A673 – 07 Standard specification for sampling procedure for impact. Testing of structural steel. West Conshohocken, PA, USA, ASTM International
3. ASTM (2012c) ASTM A123/A123M – 12 Standard specification for zinc (hot-dip galvanized) coatings on iron and steel products. West Conshohocken, PA, USA, ASTM International
4. AWS (American Welding Society) (2010) AWS D1.1 Structural welding code – steel. Miami, FL, USA, AWS