| Forging | |
| ASTM A181 | Standard Specification for Carbon Steel Forgings, for General-Purpose Piping |
| ASTM A105 | Standard Specification for Carbon Steel Forgings for Piping Applications |
| ASTM A350 | Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components |
| ASTM A182 | Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| ASTM A404 | Specification for Forged or Rolled Alloy Steel Pip Flanges, Forged Fittings, and Valves and Parts Specially Heat Treated for High-Temperature Service (Withdrawn 1974) |
| Casting | |
| ASTM A216 | Standard Specification for Steel Castings, Carbon, Suitable for Fusion Welding, for High-Temperature Service |
| ASTM A217 | Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
| ASTM A352 | Standard Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
| ASTM A351 | Standard Specification for Castings, Austenitic, for Pressure-Containing Parts |
| ASTM A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| Wrought fittings | |
| ASTM A234 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service |
| ASTM A420 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
| ASTM A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| Boiler/Heater Exchanger/Condenser/Superheater Tubes | |
| ASTM A178 | Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes |
| ASTM A179 | Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes (1/8”-3”) |
| ASTM A192 | Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service (1/2”-7”) |
| ASTM A210 | Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes (1/2”-5”) |
| ASTM A213 | Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes (1/8”-5”) |
| General | |
| ASTM A53 | Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
| API 5L | Specification for Line Pipe(Two levels PSL 1 and PSL 2 of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.) |
| ASTM A106 | Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service |
| ASTM A333 | Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service |
| ASTM A334 | Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service |
| ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
| ASTM A672 | Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
| Alloy steel /Stainless steel | |
| ASTM A335 | Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
| ASTM A312 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| ASTM A240 | Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| ASTM A789 | Standard Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel Tubing for General Service |
| ASTM A790 | Standard Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel Pipe |
| ASTM A928 | Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| ASTM A473 | Standard Specification for Stainless Steel Forgings |
| ASTM A479 | Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| Mil-T-16420k | Military Specification Tube, Copper-Nickel Alloy, Seamless And Welded (Copper Alloy Numbers 715 And 706) (14 Apr 1978) |
| ASTM B466 | Standard Specification for Seamless Copper-Nickel Pipe and Tube |
| High Presssure | |
| ASTM A519 | Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing |
| Fittings | |
| ASTM A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| ASTM A860 | Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings |
| ASTM A694 | Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
| MSS SP-75 | High-Strength, Wrought, Butt-Welding Fittings |
| API 6A | Specification for Wellhead and Christmas Tree Equipment |
| API 16A | Specificationfor Drill- through equipment |
| API 16C | Choke and Kill Equipment,Second Edition, Includes Errata (2015), Errata 2 (2015), and Errata 3 (2016) |
| Seamless Carbon Steel Pipe for high-temperature service (NPS 1/8 -NPS 48) | |
| A134 | Standard Specification for Pipe, Steel, Electric-Fusion (Arc)-Welded (Sizes NPS 16 and Over) |
| A135 | Standard Specification for Electric-Resistance-Welded Steel Pipe |
| A139 | Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe (NPS 4 and Over) |
| A178 | Standard Specification for Electric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler and Superheater Tubes |
| A179 | Standard Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes |
| A181 | Standard Specification for Carbon Steel Forgings, for General-Purpose Piping |
| A182 | Standard Specification for Forged or Rolled Alloy-Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service |
| A192 | Standard Specification for Seamless Carbon Steel Boiler Tubes for High-Pressure Service |
| A193 | Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service |
| A194 | Standard Specification for Carbon and Alloy Steel Nuts for Bolts for High-Pressure or High-Temperature Service, or Both |
| A209 | Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes |
| A210 | Standard Specification for Seamless Medium-Carbon Steel Boiler and Superheater Tubes |
| Seamless Medium-carbon Steel for Boiler Tubes, Boiler Flues, Safe ends, Arch and Stay tubes, Superheater Tubes | |
| A213 | Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A214 | Standard Specification for Electric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser Tubes |
| A234 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service |
| A249 | Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A250 | Standard Specification for Electric-Resistance-Welded Ferritic Alloy-Steel Boiler and Superheater Tubes |
| A252 | Standard Specification for Welded and Seamless Steel Pipe Piles |
| A254 | Standard Specification for Copper-Brazed Steel Tubing |
| A268 | Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A269 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A270 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A312 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
| Seamless and Welded, Carbon and Alloy-steel Tubes for High and Low Temperatures | |
| A320 | Standard Specification for Alloy/Steel Bolting Materials for Low-Temperature Service |
| A333 | Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service |
| A334 | Standard Specification for Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service |
| A335 | Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
| A350 | Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components |
| A358 | Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature Service |
| A369 | Standard Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service |
| A376 | Standard Specification for Seamless Austenitic Steel Pipe for High-Temperature Central-Station Service |
| A381 | Standard Specification for Metal-Arc-Welded Steel Pipe for Use With High-Pressure Transmission Systems |
| A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| A409 | Standard Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A420 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
| A423 | Standard Specification for Seamless and Electric-Welded Low-Alloy Steel Tubes |
| A426 | Standard Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service |
| A437 | Standard Specification for Alloy-Steel Turbine-Type Bolting Material Specially Heat Treated for High-Temperature Service |
| A450 | Standard Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes |
| A451 | Standard Specification for Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service |
| A453 | Specification for High-Temperature Bolting Materials, with Expansion Coefficients Comparable to Austenitic Stainless Steels |
| A498 | Specification for Seamless and Welded Carbon, Ferritic, and Austenitic Alloy Steel Heat-Exchanger Tubes with Integral Fins |
| A500 | Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
| A501 | Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing |
| A511 | Specification for Seamless Stainless Steel Mechanical Tubing |
| A512 | Specification for Cold-Drawn Buttweld Carbon Steel Mechanical Tubing |
| A513 | Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing |
| A519 | Specification for Seamless Carbon and Alloy Steel Mechanical Tubing |
| A522 | Specification for Forged or Rolled 8 and 9 |
| A523 | Specification for Plain End Seamless and Electric-Resistance-Welded Steel Pipe for High-Pressure Pipe-Type Cable Circuits |
| A524 | Specification for Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures |
| A530 | Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe |
| A539 | Specification for Electric-Resistance-Welded Coiled Steel Tubing for Gas and Fuel Oil Lines |
| A540 | Specification for Alloy-Steel Bolting Materials for Special Applications |
| A554 | Specification for Welded Stainless Steel Mechanical Tubing |
| A556 | Specification for Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes |
| A587 | Specification for Electric-Resistance-Welded Low-Carbon Steel Pipe for the Chemical Industry |
| A589 | Specification for Seamless and Welded Carbon Steel Water-Well Pipe |
| A595 | Specification for Steel Tubes, Low-Carbon, Tapered for Structural Use |
| A608 | Specification for Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing for Pressure Application at High Temperatures |
| A618 | Specification for Hot-Formed Welded and Seamless High-Strength Low-Alloy Structural Tubing |
| A632 | Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service |
| A660 | Specification for Centrifugally Cast Carbon Steel Pipe for High-Temperature Service |
| A671 | Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
| A672 | Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
| A688 | Specification for Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| A691 | Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures |
| A694 | Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
| A707 | Specification for Forged Carbon and Alloy Steel Flanges for Low-Temperature Service |
| A714 | Specification for High-Strength Low-Alloy Welded and Seamless Steel Pipe |
| A727 | Specification for Carbon Steel Forgings for Piping Components with Inherent Notch Toughness |
| A733 | Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples |
| A758 | Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness |
| A771 | Specification for Seamless Austenitic and Martensitic Stainless Steel Tubing for Liquid Metal-Cooled Reactor Core Components |
| A774 | Specification for As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures |
| A778 | Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products |
| A787 | Specification for Electric-Resistance-Welded Metallic-Coated Carbon Steel Mechanical Tubing |
| A789 | Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| A790 | Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A795 | Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use |
| A803 | Specification for Welded Ferritic Stainless Steel Feedwater Heater Tubes |
| A813 | Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A814 | Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A815 | Specification for Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A822 | Specification for Seamless Cold-Drawn Carbon Steel Tubing for Hydraulic System Service |
| A826 | Specification for Seamless Austenitic and Martensitic Stainless Steel Duct Tubes for Liquid Metal-Cooled Reactor Core Components |
| A836 | Specification for Titanium-Stabilized Carbon Steel Forgings for Glass-Lined Piping and Pressure Vessel Service |
| A847 | Specification for Cold-Formed Welded and Seamless High Strength, Low Alloy Structural Tubing with Improved Atmospheric Corrosion Resistance |
| A851 | Specification for High-Frequency Induction Welded, Unannealed, Austenitic Steel Condenser Tubes |
| A858 | Specification for Heat-Treated Carbon Steel Fittings for Low-Temperature and Corrosive Service |
| A860 | Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings |
| A865 | Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints |
| A872 | Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments |
| A908 | Specification for Stainless Steel Needle Tubing |
| A928 | Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A941 | Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys |
| A943 | Specification for Spray-Formed Seamless Austenitic Stainless Steel Pipes |
| A949 | Specification for Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe |
| A953 | Specification for Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded Tubing |
| A954 | Specification for Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded Pipe |
| A959 | Guide for Specifying Harmonized |
| A960 | Specification for Common Requirements for Wrought Steel Piping Fittings |
| A961 | Specification for Common Requirements for Steel Flanges, Forged Fittings, Valves, and Parts for Piping Applications |
| A962 | Specification for Common Requirements for Steel Fasteners or Fastener Materials, or Both, Intended for Use at Any Temperature from Cryogenic to the Creep Range |
| A972 | Specification for Fusion Bonded Epoxy-Coated Pipe Piles |
| A984 | Specification for Steel Line Pipe, Black, Plain-End, Electric-Resistance-Welded |
| A988 | Specification for Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| A989 | Specification for Hot Isostatically-Pressed Alloy Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
| A994 | Guide for Editorial Procedures and Form of Product Specifications for Steel, Stainless Steel, and Related Alloys |
| A999 | Specification for General Requirements for Alloy and Stainless Steel Pipe |
| A100 | Specification for Steel Line Pipe, Black, Plain End, Longitudinal and Helical Seam, Double Submerged-Arc Welded |
| A100 | Specification for Steel Line Pipe, Black, Plain End, Laser Beam Welded |
| A101 | Specification for Seamless and Welded Ferritic, Austenitic and Duplex Alloy Steel Condenser and Heat Exchanger Tubes With Integral Fins |
| A101 | Specification for Precipitation-Hardening Bolting Material (UNS N07718) for High Temperature Service |
| A101 | Guide for Videoborescoping of Tubular Products for Sanitary Applications |
| A101 | Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes |
| A102 | Specification for Steel Tubes, Carbon and Carbon Manganese, Fusion Welded, for Boiler, Superheater, Heat Exchanger and Condenser Applications |
| E527 | Practice for Numbering Metals and Alloys (UNS) |