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
1.625
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
7.19 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

This stainless steel round bar is made from alloy 347, known for its high strength, excellent corrosion resistance, and ability to withstand high temperatures. It is cold finished for improved surface quality and is commonly used in aerospace applications such as aircraft exhausts and expansion joints.

Yes, custom cut lengths are available from the warehouse, with maximum lengths up to 144 inches. You can select from various standard cut lengths, and the product is stocked and ready for custom cutting.

Yes, this product 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.

The bar has a machinability rating of 36 and an ultimate tensile strength of 93 ksi, making it suitable for demanding applications requiring both strength and moderate machinability.

The product is available in multiple lengths with corresponding shipping weights, for example, a 12-inch piece weighs about 7.19 lbs. It is in stock and ships from the warehouse promptly.

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