ASTM Materials

Pipes

• A106 = This specification covers carbon steel pipe for high-temperature service.
• A335 = This specification covers seamless ferritic alloy-steel pipe for high-temperature service.
• A333 = This specification covers wall seamless and welded carbon and alloy steel pipe intended for
  use at low temperatures.
• A312 = Standard specification for seamless, straight-seam welded, and cold worked welded austenitic
  stainless steel pipe intended for high-temperature and general corrosive service.

Fittings

• A234 = This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction.
• A420 = Standard specification for piping fittings of wrought carbon steel and alloy steel for
  low-temperature service.
• A403 = Standard specification for wrought austenitic stainless steel piping fittings.

Flanges

• A105 = This specification covers standards for forged carbon steel piping components that is, flanges,
  fittings, valves, and similar parts, for use in pressure systems at ambient and higher-temperature
  service conditions.
• A182 = This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings
  and valves and parts for high-temperature service.
• A350 = This specification cover’s several grades of carbon and low alloy steel forged or ring-rolled flanges, forged fittings and valves for low-temperature service.

Valves

• A216 = This specification covers carbon steel castings for valves, flanges, fittings, or other
  pressure-containing parts for high-temperature service and of quality suitable for assembly
  with other castings or wrought-steel parts by fusion welding.
• A217 = This specification covers steel castings, martensitic stainless steel and alloys steel castings
  for valves, flanges, fittings, and other pressure-containing parts intended primarily for high-temperature
  and corrosive service.
• A352 = This specification covers steel castings for valves, flanges, fittings, and other pressure-containing
  parts intended primarily for low-temperature service.
• A182 = This specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings,
  and valves and parts for high-temperature service.

Bolts & Nuts

• A193 = This specification covers alloy and stainless steel bolting material for pressure vessels, valves,
  flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
• A320 = Standard specification for alloy-steel and stainless steel bolting materials for low-temperature service.
• A194 = Standard specification for nuts in many different material types.