ASTM A758/A758M-14
Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness

Standard No.
ASTM A758/A758M-14
Release Date
2014
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM A758/A758M-14(2019)
Latest
ASTM A758/A758M-14(2019)
Scope

1.1 This specification covers wrought-carbon steel butt-welding seamless or welded fittings specially processed to ensure better notch toughness than that to be expected in fittings manufactured to the requirements of Specification A234/A234M.

1.1.1 Included are elbows, caps, tees, reducers, and other type fittings covered by ASME B16.9.

1.1.2 Heat treatment is required for all fittings.

1.1.3 Fittings with mandatory radiographic examination of welds are included.

1.1.4 Supplementary requirements are provided for use when additional testing or examination is desired.

1.1.5 Cast fittings, and fittings formed from all weld metal, are not included.

1.2 Several type of fittings are provided, as follows:


ASTM A758/A758M-14 Referenced Document

  • ASTM A234/A234M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
  • ASTM A275/A275M Standard Test Method for Magnetic Particle Examination of Steel Forgings
  • ASTM A960/A960M Standard Specification for Common Requirements for Wrought Steel Piping Fittings
  • ASTM E165 Standard Test Method for Liquid Penetrant Examination
  • ASTM E709 Standard Guide for Magnetic Particle Examination

ASTM A758/A758M-14 history

  • 2019 ASTM A758/A758M-14(2019) Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2014 ASTM A758/A758M-14 Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2013 ASTM A758/A758M-13 Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2010 ASTM A758/A758M-10 Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2009 ASTM A758/A758M-09 Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2000 ASTM A758/A758M-00(2005) Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
  • 2000 ASTM A758/A758M-00 Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness
Standard Specification for Wrought-Carbon Steel Butt-Welding Piping Fittings with Improved Notch Toughness


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Type

Heat Treatment
Required

Weld Seam
Finish (5.3.2)

Radiography
Required?

 

30

normalize

UW-35

no

31

normalize

UW-35

yes

32

normalize

UW-35 and ground flush

yes

40

normalize and temper