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
4
Max Length
144
Alloy
440C
Production Method
Hot Rolled Rough Turned
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes 6C
REACH
No
Custom Cut Warehouse
1
Weight/Lineal Foot
41.9 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 440C stainless steel round bar is ideal for high-strength, wear-resistant uses 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 maximum lengths up to 144 inches, allowing you to order sizes that fit your specific project needs.

The 440C stainless steel round bar offers a high ultimate tensile strength of 100 ksi and a Rockwell hardness of 99, making it one of the hardest stainless alloys suitable for demanding applications.

This product is RoHS compliant (Yes 6C) but not REACH compliant, so it meets certain environmental and safety standards but not all chemical regulations.

Yes, a Material Test Report (MTR) is available for this product, providing documented proof of its material properties and compliance.

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