Stainless Rectangle Bar 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.

MTR MTR Available
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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
0.3125
Width
0.75
Max Length
24
Metal Type
Stainless Steel
Shape
Bar-Rectangle
Yes
RoHS
Yes 6C
REACH
No
Eniteo Vendor ID
3145
Custom Cut Warehouse
0
Alloy
440C
Production Method
Ground
Weight/Lineal Foot
0.83 pounds
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Mechanical Properties

Yield Tensile Strength KSI
65
Density g/cm^3
8
Ultimate Tensile Strength KSI
100
Rockwell Hardness B Scale
99
Melting Point °F
2500 - 2700
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

This stainless steel rectangle bar measures 5/16" (0.3125") in thickness and 3/4" (0.75") in width, with a maximum length of 24 inches. It has a rectangular bar shape and is ground for precision.

Yes, the 440C alloy offers the highest strength, hardness, and wear resistance among stainless alloys after heat treatment, making it ideal for knife blades, surgical instruments, molds, dies, and bearing components.

Yes, MTR reports are available for this product, providing detailed certification of its material properties.

The 440C stainless steel has moderate corrosion resistance and a machinability rating of 40, making it suitable for precision machining while maintaining good durability.

Yes, the product is RoHS compliant and currently in stock, ready for shipment from Online Metals.

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