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
0.375
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
0.38 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 rolling element bearings, valve seats, high-quality knife blades, surgical instruments, chisels, gage blocks, cutlery, ball bearings and races, molds and dies, knives, valve components, and measuring instruments.

Yes, custom cut lengths are available from the warehouse, with maximum lengths up to 144 inches. Various standard cut lengths are offered, and you can select the size that fits your project needs.

The cold finish process enhances the bar's surface finish and dimensional accuracy, providing higher strength, hardness, and wear resistance compared to hot-rolled bars, making it suitable for precision applications.

Yes, this product is RoHS compliant (Yes 6C) and an MTR (Material Test Report) is available, ensuring traceability and quality verification for your purchase.

The 440C stainless steel round bar has a machinability rating of 40 and a Rockwell hardness of 99, indicating it offers good hardness and wear resistance while still being machinable for various manufacturing processes.

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