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Stainless Sheet/Plate 440C offers high strength, moderate corrosion resistant, good hardness and wear resistance. After heat treatment, 440C is capable of attaining the highest strength, hardness and wear resistance of all the stainless alloys. It is typically used in rolling element bearing, valve seats, high-quality knife blades, surgical instruments, chisels, gage blocks, cutlery, ball bearings and races, molds and dies, knives, valve components, measuring instruments.

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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Thickness
2.5
Max Width
36
Max Length
60
Alloy
440C
DFAR
false
Metal Type
Stainless Steel
Shape
Sheet/Plate
Yes
Domestic
false
Full Length
false
Custom Cut Warehouse
1
Weight/Lineal Foot
100.8 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
100
Yield Tensile Strength KSI
65
Melting Point °F
2500 - 2700
Rockwell Hardness B Scale
99
Brinell Hardness 3000 kg load
234
Elongation % in 2 in.
14
Shear Strength KSI
63
Machinability %
40
Electrical Conductivity % IACS
2
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Chemistry Information : 440C Stainless Steel

Element
Percentage
Element
Percentage
Element
Percentage
Fe
80.75
C
1.05  max
Mn
0.4  max
Si
0.4  max
Mo
0.4  max
Cr
17  max

The 440C stainless steel plate offers excellent strength and the highest hardness of any of the 400 series stainless steels. It has good corrosion resistance when hardened and is commonly used in applications that require wear resistance such as knives, bearings, and valves.

Yes, this 440C stainless plate is ideal for heat treatment, reaching a high hardness when properly treated, and can be machined, though it becomes harder to work with after hardening.

This plate comes in a 2.5-inch thickness, and custom cut options may be available through the supplier’s cutting services, helping you get the exact size you need for your project.

Stock availability varies by warehouse location, and you can select your preferred warehouse during checkout to ensure the fastest delivery possible to your region.

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