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Custom 455 Stainless Steel Bar - ASTM F 899


Custom 455 is a martensitic, age-hardenable stainless steel.  This alloy represents a significant advancement in the area of preciptiation hardening stainless steels. Custom 455 has three times the yield strength of standard 304. It lends itself well to heat treatment and fabrication, has exceptionally high yield strength, good ductility and toughness.  Custom 455 resists staining in normal atmospheres and shows no corrosion in fresh water.   


  • Custom 455 Stainless Steel
    Custom 455 Stainless Steel

Custom 455 Bar

Standard Inventory Specifications 

  • UNS S45500
  • AMS 5617
  • ASTM F 899

Common Trade Names

  • Custom 455 (® Carpenter Technology Corporation)
  • CarTech® Custom 455® Stainless

Inventory Size Range

  • Bar : 0.1875" - 2.000"

Our medical grade Custom 455 stainless round bar is domestic melted and manufactured. We stock screw machine quality Custom 455 with tolerances of +/- .0005".  All sizes below .75" round bar are stocked to a bar tolerance of +/- .0005".  United Performance Metals is Approved ISO 13485 : 2016.

Please contact us for more details.

The technical data provided is for information only and not for design purposes.  It is not warranted or guaranteed.

Chemical Composition of Custom 455

Element Percent By Weight
Custom 455 ss
Mn Manganese 0.50 max
S Sulfur 0.030 max
Cr Chromium 11.00 - 12.00
Mo Molybdenum 0.50 max
Ti Titanium 0.80 - 1.40
Fe Iron Balance
C Carbon 0.05 max
P Phosphorous 0.040 max
Si Silicon 0.50 max
Ni Nickel 7.50 - 9.50
Cu Copper 1.50 - 2.50
Nb
Ta
Columbium and Tantalum 0.10 - 0.50

Common Applications of Custom 455 Stainless Steel

  • Surgical instruments for orthopedic, spinal, and dental markets
  • Drill Bits
  • Drivers
  • Distractors
  • Shafts

Custom 455 Physical Properties

  • Density Metirc = 7.76 g/cmc
  • Density Imperial - 0.280 lb/in³

 

Custom 455 Mechanical Properties and Yield Strength

Properties

Metric

Imperial

Tensile Strength

1413 MPa

204900 psi

Yield Strength

1345 MPa

195100 psi

Modulus of Elasticity

200 GPa

29000 ksi

Poisson’s Ration

0.3

0.3

Elongation at Break

14%

14%

Brinell Hardness

411

411

Knoop Hardness, Rockwell C

450

450

Vickers Hardness, Rockwell C

430

430

Hardness, Rockwell C

44

44

 


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