ISO 4672 Rubber and plastics — Sub-ambient temperature flexibility tests ISO 6982-84 Metallic Materials — Tensile Testing ISO 6506-1981 Materiais metálicos — Ensaio de dureza Brinell ISO 6508-1986 Materiais metálicos — Ensaio de dureza Rockwell (escalas A, B, C, D, E, F, G e K) ISO 7225 Precautionary Labels for Gas Cylinders ISO/DIS 7866-1992 Refillable Transportable Seamless Aluminium Alloy Cylinders for Worldwide Usage Design, Manufacture and Acceptance ISO 9001:1994 Quality Assurance in Design/Development. Production, Installation and Servicing ISO 9002:1994 Quality Assurance in Production and Installation ISO/DIS 12737