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. 

Stock sizes: .251” to 7.00” diameter

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-custom-465-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