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
2.75
Max Length
144
Alloy
303
Temper
Annealed
Production Method
Hot Rolled Rough Turned
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
20.45 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 one of the easiest stainless steel alloys to machine, grind, and polish due to its annealed temper and composition. It offers good machinability but has slightly lower toughness and corrosion resistance compared to other stainless steels.

This 2.75" diameter 303 stainless round bar is commonly used in aircraft components, machine parts, pump and valve parts, architectural applications, as well as nuts and bolts, making it versatile for various industrial and structural uses.

Yes, custom cut lengths are available from the warehouse. The product offers multiple length options ranging from 12 inches up to 144 inches, allowing you to select the size that best fits your project needs.

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

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

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