Stainless Round Bar 347 provides high strength, high temperature capability, and corrosion resistance in strongly oxidizing environments. 347 is an austenitic stainless and also can operate at high temperatures without losing strength. It is typically used in aerospace for aircraft exhausts, collector rings, expansion joints, and in high temperature chemical processing.

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
0.5625
Max Length
144
Alloy
347
Production Method
Cold Finish
Metal Type
Stainless Steel
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
0.87 pounds
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Mechanical Properties

Ultimate Tensile Strength KSI
93
Density g/cm^3
8
Yield Tensile Strength KSI
39
Brinell Hardness 500 kg load
167
Rockwell Hardness B Scale
85
Shear Strength KSI
65
Electrical Conductivity % IACS
2
Melting Point °F
2550 - 2600
Machinability %
36
Elongation % in 2 in.
45
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Chemistry Information : 347 Stainless Steel

Element
Percentage
Element
Percentage
Element
Percentage
Mn
2  max
C
0.08  max
P
0.045  max
S
0.03  max
Si
0.75  max
Cr
17 - 19
Ni
9 - 13
Nb + Ta
1  max

The 9/16" Stainless Round Bar 347 Cold Finish offers high strength with an ultimate tensile strength of 93 ksi and yield strength of 39 ksi. It is designed for high temperature applications and maintains strength without degradation, making it suitable for aerospace and chemical processing environments.

Yes, custom cut lengths are available from the warehouse. The bar can be ordered in lengths ranging from 12 inches up to a maximum of 144 inches, allowing you to get the exact size you need.

Yes, this round bar complies with RoHS and REACH regulations and meets ASTM and AMS standards such as ASTM A276 and AMS 5646. It also comes with Material Test Reports (MTR) available for quality assurance.

This stainless steel round bar is ideal for aerospace components like aircraft exhausts, collector rings, and expansion joints, as well as high temperature chemical processing due to its corrosion resistance and high temperature capability.

The 347 stainless steel round bar has a machinability rating of 36, indicating moderate ease of machining, suitable for various fabrication and manufacturing processes.

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