Custom® 465 AMS 5936

Custom 465 Stainless Steel is a double vacuum melted martensitic heat treatable alloy capable of 250,000+ PSI tensile in the H950 condition with a combination of high strength, toughness and corrosion resistance.  It has similar corrosion resistance to 304 stainless.  The grade was developed and is manufactured by Carpenter Technology. 

Common stock sizes: .251” to 7.00” diameters

Common Specifications:

  • AMS 5936
  • ASTM-F899; ASTM-A564
  • Boeing BMS 7-364
  • Boeing BSS 7025
  • Messier Dowty CTC-M-D 465-1
  • Stryker HMS 4553

Common Applications:

  • landing gear components
  • slat components
  • pneumatic cylinders, braces and struts
  • engine valves springs
  • endoscopic instruments
  • medical scrapers, cutters, suture needles

Melting Method: VIM-VAR

Heat treatment: solution heat treated to 1800 degrees F, held for 60 minutes, then quenched and cooled to -100 degrees F and held for at least 8 hours.

Rockwell-Industries-Intl-Custom465-Bar-AMS-5936-image

Composition

Element Min. Max.
Carbon -- 0.02
Manganese -- 0.25
Silicon -- 0.25
Phosphorus -- 0.015
Sulfur -- 0.010
Chromium 11.00 12.50
Nickel 10.75 11.25
Molybdenum 0.75 1.25
Titanium 1.50 1.80
Nitrogen -- 0.01

Macrostructure Limits:

Class Condition Severity
1 Freckles A
2 White Spots A
3 Radial Segregation A
4 Ring Pattern B

Tensile strength shall not be higher than 160 ksi in solution annealed condition. Hardness shall not be higher than 331 HB.

Precipitation heat treat requirements call for:

Minimum Tensile Properties:

Condition Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 inches or 4D% Reduction of Area %
H950 Longitudinal
Transverse
240
240
220
220
10
8
45
35
H1000 Longitudinal
Transverse
220
220
200
200
10
10
50
40