ASME B16.34 Valves Flanged, Threaded and Welding End
ASME B16.5 Forged Nonferrous Fittings, SocketWelding and Threaded (Titanium, Titanium Alloys, Aluminum, and Aluminum Alloys)
ASME B18.2.2 Nuts for General Applications: Machine Screw Nuts, Hex, Square, Hex Flange, and Coupling Nuts (Inch Series) (B18.2.2 - 2010)
ASTM A307 Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strangth
EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties*， 2023-12-23 Update
EN 1092-1 Flanges and their joints - Circular flanges for pipes@ valves@ fittings and accessories@ PN designated - Part 1: Steel flanges*， 2018-04-01 Update
EN 12516-1 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells
EN 12982 Industrial valves - End-to-end and centre-to-end dimensions for butt welding end valves
ISO 15156-1 Petroleum and natural gas industries — Materials for use in H2S-containing environments in oil and gas production — Part 1: General principles for selection of cracking-resistant materials*， 2020-11-17 Update
ISO 15156-2 Petroleum and natural gas industries — Materials for use in H2S-containing environments in oil and gas production — Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons*， 2020-11-17 Update
ISO 15156-3 Petroleum and natural gas industries — Materials for use in H2S-containing environments in oil and gas production — Part 2: Cracking-resistant carbon and low-alloy steels, and the use of cast irons*， 2020-11-17 Update
ISO 15607 Specification and qualification of welding procedures for metallic materials — General rules*， 2019-10-07 Update
ISO 15609-1 Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 1: Arc welding*， 2019-08-16 Update
ISO 15610 Specification and qualification of welding procedures for metallic materials — Qualification based on tested welding consumables*， 2023-02-10 Update
ISO 15614-2 Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 2: Arc welding of aluminium and its alloys; Amendment 2
ISO 261 ISO general purpose metric screw threads - General plan
ISO 5208 Industrial valves - Pressure testing of metallic valves
ISO 5209 General purpose industrial valves — Marking*， 2019-08-05 Update
ISO 5752 Metal valves for use in flanged pipe systems - Face-to-face and centre-to-face dimensions*， 2021-06-01 Update
ISO 7-1 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation; Technical Corrigendum 1
ISO 7-2 Pipe threads where pressure-tight joints are made on the threads - Part 2: Verification by means of limit gauges
ISO 9606-1 Qualification testing of welders - Fusion welding - Part 1: Steels; Technical Corrigendum 2
ISO 965-2 ISO general purpose metric screw threads - Tolerances - Part 2: Limits of sizes for general purpose external and internal screw threads - Medium quality; Amendment 1*， 2021-06-30 Update