SAE AMS6323E-1972
STEEL TUBING@ MECHANICAL 0.5Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)

Standard No.

SAE AMS6323E-1972

Release Date

1972

Published By

SAE - SAE International

Status

Be replaced 2012-12

Replace By

SAE AMS6323F-1979

Latest

SAE AMS6323N-2022

Scope

Form: This specification covers an aircraft-quality@ low-alloy steel in the form of mechanical tubing. Application: Primarily for parts@ with section thickness of 0.375 in. (9.52 mm) or less at the time of heat treatment@ requiring a through-hardening steel capable of developing hardness as high as 50 HRC when properly hardened and tempered.

SAE AMS6323E-1972 history

• 2022 SAE AMS6323N-2022 Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 2017 SAE AMS6323M-2017 Steel@ Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) (UNS G87400)
• 2012 SAE AMS6323L-2012 Steel, Mechanical Tubing 0.50Cr 0.55Ni 0.25Mo (0.38-0.43C) (SAE 8740)
• 2007 SAE AMS6323K-2007 Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 2002 SAE AMS6323K-2002 Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) UNS G87400
• 1997 SAE AMS6323J-1997 Steel@ Mechanical Tubing@ 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) (UNS G87400)
• 1991 SAE AMS6323H-1991 STEEL TUBING, MECHANICAL 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 1986 SAE AMS6323G-1986 STEEL TUBING@ MECHANICAL 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) (UNS G87400)
• 1979 SAE AMS6323F-1979 STEEL TUBING@ MECHANICAL 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) (UNS G87400)
• 1972 SAE AMS6323E-1972 STEEL TUBING@ MECHANICAL 0.5Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 1966 SAE AMS6323D-1966 STEEL TUBING@ MECHANICAL 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 1954 SAE AMS6323C-1954 STEEL TUBING@ MECHANICAL 0.5Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
• 1950 SAE AMS6323B-1950 STEEL TUBING - SEAMLESS (MECHANICAL) 0.55Ni - 0.5Cr - 0.25Mo (0.38 - 0.43c) (SAE 8740)
• 1947 SAE AMS6323A-1947 STEEL TUBING - SEAMLESS (MECHANICAL) 0.55Ni - 0.5Cr - 0.25Mo (.38 - .43c)
• 1944 SAE AMS6323-1944 STEEL TUBING (SEAMLESS FOR MACHINED PARTS TO BE HEAT-TREATED) .55 Ni 0.50 Cr .25 Mo (.38 - .43 c) Cold Finished or Hot Finished
• 1911 SAE AMS6323H-1911 Steel Tubing@ Mechanical 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)