ASTM A182/A182M Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM A194/A194M Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
ASTM A320/A320M Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service
ASTM A350/A350M Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components
ASTM A351/A351M Standard Specification for Castings, Austenitic, Austenitic- Ferritic (Duplex), for Pressure-Containing Parts
ASTM A370-12 Standard Test Methods and Definitions for Mechanical Testing of Steel Products*, 2023-12-23 Update
ASTM E186 Standard Reference Radiographs for Heavy-Walled (2 to 4 &189; in. [51 to 114-mm]) Steel Castings
ASTM E446 Standard Reference Radiographs for Steel Castings Up to 2 in. [51 mm] in Thickness
BS 1873 Specification for Steel globe and globe stop and check valves (flanged and butt - welding ends) for the petroleum, petrochemical and allied industries
ISO 261:1998 ISO general purpose metric screw threads - General plan
ISO 262:1998 ISO general purpose metric screw threads - Selected sizes for screws, bolts and nuts
ISO 28921-1 Industrial valves — Isolating valves for low-temperature applications — Part 1: Design, manufacturing and production testing*, 2022-05-12 Update
ISO 2901:2016 ISO metric trapezoidal screw threads - Basic and design profiles
ISO 2902:2016 ISO metric trapezoidal screw threads - General plan