Stainless Round Bar 303 is one of the easiest stainless steel alloys to machine, grind and polish. Toughness and corrosion resistance are slightly lower than most other stainless steels as a result. It is typically used in aircraft applications, machine parts, pump and valve parts, architectural applications, nuts, and bolts.

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
1.375
Max Length
144
Alloy
303
Temper
Annealed
Production Method
Cold Finish
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
5.12 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 303 stainless steel round bar is known for being one of the easiest stainless steel alloys to machine, grind, and polish. Its annealed temper and cold finish production method enhance its machinability, making it ideal for detailed machining tasks.

While 303 stainless steel offers some corrosion resistance, it is slightly lower than most other stainless steels. It is typically used in applications like aircraft parts, machine components, pumps, valves, and architectural elements where moderate corrosion resistance is acceptable.

Yes, custom cut lengths are available from the warehouse. Standard length options range from 12 inches up to 144 inches, with multiple increments in between to suit your project needs.

Yes, this product includes Material Test Reports (MTR) availability, and it complies with RoHS and REACH standards, ensuring it meets important regulatory requirements.

The shipping weight varies by length, starting at approximately 5.12 lb for a 12-inch piece. All length variants from 12 to 144 inches are currently in stock and available for immediate shipment.

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