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.

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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
1
Max Length
144
Alloy
303
Production Method
Hot Rolled
Metal Type
Stainless Steel
Shape
Bar-Rectangle
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
1.3 pounds
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Mechanical Properties

Density g/cm^3
8
Ultimate Tensile Strength KSI
89
Yield Tensile Strength KSI
34
Elongation % in 2 in.
44
Brinell Hardness 3000 kg load
165
Electrical Conductivity % IACS
2 min
Rockwell Hardness B Scale
85
Melting Point °F
2550 - 2590
Shear Strength KSI
62 min
Machinability %
75 min
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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 1 inch in width. It is made from 303 alloy stainless steel, produced using a hot rolled method, and is known for its good machinability and moderate corrosion resistance.

Yes, the 303 stainless rectangle bar can be custom cut. Available lengths range from 12 inches up to 144 inches, and custom cuts are processed from the warehouse to meet your size requirements.

Absolutely. The 303 stainless steel alloy is one of the easiest stainless steels to machine, grind, and polish, making it ideal for applications requiring detailed machining such as aircraft parts, machine components, and architectural elements.

This product complies with RoHS and REACH standards, ensuring it meets environmental and safety regulations for restricted hazardous substances.

The shipping weight varies by length, starting at approximately 1.3 pounds for a 12-inch piece. All length options from 12 to 144 inches are currently in stock and available for immediate shipment.

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