Tech Steel & Materials
Stainless Steel Custom 455
Custom 455* stainless is a martensitic age-hardenable double vacuum-melted stainless steel. This alloy is known for being soft and formable in the annealed condition. However single-step aging treatments result in exceptionally high yield strength along with good ductility and toughness. The Custom 455* grade should be considered for applications that require simplicity of heat treatment, ease of fabrication, high strength and corrosion resistance are needed in combination. Typical applications are architectural, Food processing and handling, heat exchangers and conveyors.
Composition
| Element |
min |
max |
| Carbon |
– |
0.05 |
Manganese |
– |
0.50 |
| Silicon |
– |
0.50 |
Phosphorus |
– |
0.015 |
| Sulfur |
– |
0.015 |
Chromium |
11.00 |
12.50 |
| Nickel |
7.50 |
9.50 |
Columbium |
0.10 |
0.50 |
| Titanium |
0.80 |
1.40 |
Copper |
1.50 |
2.50 |
| Molybdenum |
– |
0.50 |
Mechanical Properties (Solution Treated)
Minimum Tensile Properties, Inch/Pound Units
| |
Tensile |
Yield Strength |
Elongation |
| Nominal Wall Thickness |
Strength |
at 0.2% Offset |
in 2 Inches or 4D |
Inch |
ksi |
ksi |
% |
| Up to 0.020, excl |
220 |
205 |
– |
0.020 to 0.062, incl |
220 |
205 |
4 |
| Over 0.062 |
220 |
205 |
3 |
Select AMS Number:
| AMS Number |
Alloy |
Type |
UNS |
Cross Ref. Spec |
Misc./Shape |
| AMS 5578 |
Custom 455 |
Stainless Steel |
S45500 |
- |
Tubing |
| AMS 5617 |
Custom 455 |
Stainless Steel |
S45500 |
- |
Bar |
| AMS 5617 |
Custom 455 |
Stainless Steel |
S45500 |
- |
Forging |
| AMS 5617 |
Custom 455 |
Stainless Steel |
S45500 |
- |
Wire |
| AMS 5860 |
Custom 455 |
Stainless Steel |
s45500 |
- |
Plate |
| AMS 5860 |
Custom 455 |
Stainless Steel |
s45500 |
- |
Sheet |
| AMS 5860 |
Custom 455 |
Stainless Steel |
s45500 |
- |
Strip |
| AMS 5936 |
Custom 455 |
Stainless Steel |
S46500 |
- |
Forging |
| AMS 5936 |
Custom 455 |
Stainless Steel |
S46500 |
- |
Wire |
| AMS 5672 |
Custom 455 |
Steel |
S45500 |
- |
Wire |
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