NACE MR0175/ISO 15156:2015
PETROLEUM, PETROCHEMICAL, AND NATURAL GAS INDUSTRIES - MATERIALS FOR USE IN H2S-CONTAINING ENVIRONMENTS IN OIL AND GAS PRODUCTION (ITEM # 21307; Third Edition; Incorporates MR0175/ISO 15156-1, MR0175/ISO 15156-2 and MR0175/ISO 15156-3)