Cold Roll Round Bar 1144, also called "Stress Relieved" or "Stressproof®", has excellent strength, hardness, and it is easily machined. 1144 is also designed to resist warping during heat treatment. It is typically used in nuts, bolts, arbors, gears, pinions, piston rods, sleeves, shafts, and screws.
Stressproof is a trademark of LaSalle Steel Co.

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
8
Max Length
144
Alloy
303
Temper
Annealed
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
173.03 pounds
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Mechanical Properties

Brinell Hardness 3000 kg load
165
Yield Tensile Strength KSI
34
Ultimate Tensile Strength KSI
89
Machinability %
75 min
Electrical Conductivity % IACS
2 min
Rockwell Hardness B Scale
85
Shear Strength KSI
62 min
Elongation % in 2 in.
44
Density g/cm^3
8
Melting Point °F
2550 - 2590
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Chemistry Information : 303 Stainless Steel

Element
Percentage
Element
Percentage
Element
Percentage
C
0.15  max
Cr
18
Fe
69
Mn
2  max
Ni
9
Mo
0.6  max
P
0.2  max
S
0.15  max
Si
1  max

The 8" Stainless Steel Round Bar 303-Annealed is available in multiple lengths including 12", 24", 36", 48", 72", and up to 144" maximum length.

Yes, the 303 annealed stainless steel round bar offers excellent machinability and is commonly used for nuts, bolts, gears, shafts, and screws.

Yes, custom cut lengths are available from the warehouse, allowing you to order the bar cut to your specific size requirements.

Yes, MTR reports are available for this product to verify material compliance and quality.

Yes, this stainless steel round bar complies with both RoHS and REACH regulations, ensuring it meets environmental and safety standards.

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