Bronze Round Bar 630 contains a high amount of nickel and aluminum, giving it an exceptionally high strength, as well as high wear resistance, corrosion resistance, and ductility. Additionally, 630 maintains its strength even at elevated temperatures and for prolongued periods. It is typically used in aerospace and marine applications such as valve stems, high strength bushings, valve seats and guides, gears, cams, nuts, shafts, and ship propellers.

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.
Max Length
144
Diameter
1.625
Alloy
630
Metal Type
Bronze
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Custom Cut Warehouse
1
Weight/Lineal Foot
6.82 pounds
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Mechanical Properties

Density g/cm^3
8
Brinell Hardness 3000 kg load
203
Yield Tensile Strength KSI
68
Ultimate Tensile Strength KSI
110
Elongation % in 2 in.
10
Rockwell Hardness B Scale
94
Melting Point °F
1895 - 1931
Machinability %
30
Shear Strength KSI
61
Electrical Conductivity % IACS
7
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Chemistry Information : 630 Bronze

Element
Percentage
Element
Percentage
Element
Percentage
Cu
76.8 - 85
Ni
4 - 5.5
Al
9 - 11
Fe
2 - 4
Mn
0 - 1.5
Zn
0 - 0.3
Residual
0 - 0.5
Sn
0 - 0.2
Si
0 - 0.25

This bronze round bar is ideal for aerospace and marine uses, including valve stems, high strength bushings, valve seats and guides, gears, cams, nuts, shafts, and ship propellers due to its high strength, wear resistance, and corrosion resistance.

Yes, custom cut lengths are available from the warehouse, with maximum lengths up to 144 inches, allowing you to get the precise size you need.

Yes, this product is RoHS and REACH compliant, ensuring it meets important environmental and safety regulations.

This alloy has a machinability rating of 30 and offers high strength with a yield tensile strength of 68 ksi and ultimate tensile strength of 110 ksi, making it suitable for demanding mechanical applications.

Yes, a material test report (MTR) is available for this product to verify its composition and mechanical properties.

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