GOST 17380-2001 Carbon and low-alloy steel butt-welding fittings. General specifications*， 2023-12-23 Update
GOST ISO 4759-1-2015 Fasteners. Tolerances. Part 1. Bolts, screws, studs and nuts. Product grades A, B and C*， 2023-12-23 Update
GOST R 53525-2009 Welding coordination -Tasks and responsibilities*， 2023-12-23 Update
GOST R 53526-2009 Welding personnel. Approval testing of welding operators for fusion welding and of resistance weld setters for fully mechanized and automatic welding of metallic materials*， 2023-12-23 Update
GOST R 53690-2009 Qualification test of welders. Fusion welding. Part 1. Steels*， 2023-12-23 Update
GOST R 55682.2-2017 Water-tube boilers and auxiliary installations. Part 2. Materials for pressure parts of boilers and accessories*， 2023-12-23 Update
GOST R 55682.3-2017 Water-tube boilers and auxiliary installations. Part 3. Design and calculation for pressure parts*， 2023-12-23 Update
GOST R 55682.4-2017 Water-tube boilers and auxiliary installations. Part 4. In-service boiler life expectancy calculations
GOST R 55682.6-2017 Water-tube boilers and auxiliary installations. Part 6. Inspection during construction, documentation and marking of pressure parts of the boiler
GOST R 55682.7-2017 Water-tube boilers and auxiliary installations. Part 7. Requirements for equipment for the boiler
GOST R 57189-2016 Quality management systems. Guidelines for the application of ISO 9001:2015*， 2023-12-23 Update
GOST R EN 12952-1-2012 Water-tube boilers and auxiliary installations. Part 1. General*， 2023-12-23 Update
GOST R ISO 148-1-2013 Metallic materials. Charpy pendulum impact test. Part 1.Test method*， 2023-12-23 Update
GOST R ISO 15609-1-2009 Specification and qualification of welding procedures for metallic materials. Welding procedure specification. Part 1. Arc welding*， 2023-12-23 Update
GOST R ISO 15613-2009 Specification and qualification of welding procedures for metallic materials. Qualification based on pre-production welding test*， 2023-12-23 Update
GOST R ISO 15614-1-2009 Specification and qualification of welding procedures for metallic materials. Welding procedure test. Part 1. Arc and gas welding of steels and arc welding of nickel and nickel alloys*， 2023-12-23 Update
GOST R ISO 3452-1-2011 Non-destructive testing. Penetrant testing. Part 1. General principles*， 2023-12-23 Update
GOST R ISO 3834-2-2007 Quality requirements for fusion welding of metallic materials. Part 2. Comprehensive quality requirements*， 2023-12-23 Update
GOST R ISO 4063-2010 Welding and allied processes. Nomenclature of processes and reference numbers*， 2023-12-23 Update
GOST R ISO 6520-1-2012 Welding and allied process. Classification of geometric imperfections in metallic materials. Part 1. Fusion welding*， 2023-12-23 Update
GOST R ISO 8501-1-2014 Preparation of steel substrates before application of paints and related products. Visual assessment of surface cleanliness. Part 1. Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous *， 2023-12-23 Update
GOST R ISO 9001-2015 Quality management systems. Requirements*， 2023-12-23 Update
GOST R 55682.5-2017 history
2017GOST R 55682.5-2017 Water-tube boilers and auxiliary installations. Part 5. Workmanship and construction of pressure parts of the boiler
2013GOST R 55682.5-2013 Water-tube boilers and auxiliary installations. Part 5. Workmanship and construction of pressure parts of the boiler