Stainless Rectangle 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.
Thickness
0.375
Width
5.25
Max Length
144
Alloy
303
Temper
Annealed
Metal Type
Stainless Steel
Shape
Bar-Rectangle
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
7.69 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

This stainless steel rectangle bar measures 0.375 inches in thickness and 5.25 inches in width. It is made from 303 alloy stainless steel in an annealed temper, offering good machinability and moderate corrosion resistance.

Yes, the 303 stainless steel alloy is one of the easiest stainless steels to machine, grind, and polish, making it ideal for applications such as aircraft parts, machine components, and architectural uses.

Yes, custom cut lengths are available from the warehouse. The maximum length offered for this bar is 144 inches.

Yes, material test reports (MTRs) are available for this product. It also complies with RoHS and REACH environmental standards.

The bar is in stock and available in multiple lengths ranging from 12 to 96 inches. Shipping weights vary by length, and all sizes are ready to ship from the warehouse.

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