Form: This specification covers a corrosion and heat resistant steel in the form of three classes of welded and drawn tubing. Application: Primarily for parts@ such as fluid lines@ subject to high pressures and requiring corrosion resistance. Tubing has good oxidation resistance up to 1100??(593??. Classification: The tubing covered by this specification is classified as follows: Class 1- 0.125 inch (3.18 mm) length Ultrasonic Calibration Standard Class 2- Q.060 inch (1.52 mm) length Ultrasonic Calibration Standard Class 3- Ultrasonic testing not required If Class 1 is specified@ either Class 1 or Class 2 may be supplied. If no class or Class 3 is specified@ any of the three classes may be supplied.
SAE AMS5561B-1990 history
2021SAE AMS5561H-2021 Steel, Corrosion and Heat-Resistant, Welded and Drawn or Seamless and Drawn Tubing 9.0Mn - 20Cr - 6.5Ni - 0.28N High-Pressure Hydraulic
2012SAE AMS5561G-2012 Steel, Corrosion and Heat-Resistant, Welded and Drawn or Seamless and Drawn Tubing 9.0Mn - 20Cr - 6.5Ni - 0.28N High-Pressure Hydraulic
2007SAE AMS5561G-2007 Steel, Corrosion and Heat-Resistant, Welded and Drawn or Seamless and Drawn Tubing 9.0Mn - 20Cr - 6.5Ni - 0.28N High-Pressure Hydraulic UNS S21900
1999SAE AMS5561F-1999 Steel, Corrosion and Heat Resistant, Welded and Drawn or Seamless and Drawn Tubing 9.0Mn 20Cr 6.5Ni 0.28N High-Pressure Hydraulic
1998SAE AMS5561E-1998 Steel@ Corrosion and Heat Resistant@ Welded and Drawn or Seamless and Drawn Tubing 9.0Mn - 20Cr - 6.5Ni - 0.28N High-Pressure Hydraulic (UNS S21900)