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Custom 450 Material Property Data Sheet

Do you need custom fasteners created with Custom 450? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Custom 450 Bar Stock we have available to meet your needs.

 

Carpenter Custom 450 Stainless Steel, Annealed


Subcategory: Metal; Stainless Steel; T 400 Series Stainless Steel

Key Words: UNS S45000; Carpenter Technology Corporation, Carpenter Steel Division; Cartech

Component   Wt. %
CMax 0.05 
Cr14 - 16 
Cu1.25 - 1.75 
Fe75 
Component   Wt. %
MnMax 1 
Mo0.5 - 1 
Ni5 - 7 
Component   Wt. %
PMax 0.03 
SMax 0.03 
SiMax 1 

Material Notes:
Iron content calculated as remainder; minimum niobium (columbium) content 8 x C. Data provided by Carpenter Technology Corporation.

Custom 450 stainless is a martensitic age-hardenable stainless steel which exhibits very good corrosion resistance (similar to that of Stainless Type 304) with moderate strength (similar to that of Stainless Type 410). the alloy has a yield strength somewhat greater than 100 ksi (689 MPa) in the annealed condition, but is easily fabricated. A single-step aging treatment develops higher strength with good ductility and toughness. This stainless can be machined, hot-worked, and cold-formed in the same manner as other martensitic age-hardenable stainless steels. A particular advantage is ease of welding and brazing. Custom 450 stainless is generally supplied in the annealed condition, requiring no heat treatment by the user for many applications. Because it has corrosion resistance like Type 304 stainless but three times the yield strength, it has been used in applications where Type 304 was not strong enough. On the other hand, it has also replaced Type 410 stainless directly on a strength basis where Type 410 had insufficient corrosion resistance. Mechanical properties will depend on the aging temperature selected.

Custom 450 is a registered trademark of Carpenter Technology Corporation.

Physical PropertiesMetricEnglishComments
Density7.75 g/cc0.28 lb/in 

Mechanical Properties
Hardness, Brinell278278 Estimated from Rockwell C for 3000 kg load, 10 mm ball Brinell measurement.
Hardness, Knoop301301 Estimated from Rockwell C
Hardness, Rockwell C2828 
Hardness, Vickers292292 Estimated from Rockwell C
Tensile Strength, Ultimate979 MPa142000 psi 
Tensile Strength, Yield814 MPa118000 psi 0.2% Offset
Elongation at Break13 %13 % In 4D
Reduction of Area50 %50 % 
Modulus of Elasticity200 GPa29000 ksi 
Notched Tensile Strength1524 MPa221000 psi Kt = 10
Poisson's Ratio0.290.29 
Charpy Impact133 J98.1 ft-lb V-notch
Fatigue Strength517 MPa75000 psi R.R. Moore Test, Smooth Rotating Beam, 1E+7 Cycles
Shear Modulus77.5 GPa11200 ksi Calculated

Electrical Properties
Electrical Resistivity9.92e-005 ohm-cm9.92e-005 ohm-cm 

Thermal Properties
CTE, linear 20C10.58 m/m-C5.88 in/in-F 24-93C
CTE, linear 250C10.44 m/m-C5.8 in/in-F 24-260C
CTE, linear 500C11.11 m/m-C6.17 in/in-F 24-593C
Heat Capacity0.477 J/g-C0.114 BTU/lb-F 
Thermal Conductivity15 W/m-K104 BTU-in/hr-ft-F H900 Condition; at Room Temp. 18.2 W/m-K at 200C. 24.4 W/m-K at 500C.

 


This information is provided by MatWeb.com, The Online Materials Database and is reprinted with their permission.

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