Stainless Round 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.
Diameter
2.75
Max Length
144
Alloy
440C
Production Method
Cold Finish
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes 6C
REACH
No
Custom Cut Warehouse
1
Weight/Lineal Foot
20.09 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

The 440C stainless steel round bar is ideal for high-strength and wear-resistant applications such as knife blades, surgical instruments, valve components, ball bearings, molds, and dies due to its excellent hardness and moderate corrosion resistance.

Yes, custom cut lengths are available from the warehouse, with standard lengths ranging up to 144 inches. You can select from multiple length options to suit your project needs.

Yes, a Material Test Report (MTR) is available for this 440C stainless steel round bar, providing assurance of its chemical and mechanical properties.

This product complies with RoHS (Yes 6C) but does not meet REACH standards. It is also associated with AMS and ASTM specifications, ensuring quality and industry compliance.

The 440C stainless steel round bar has a machinability rating of 40 and a Rockwell hardness of 99, making it suitable for precision machining and applications requiring high wear resistance.

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