C5191 - UNS C51910 | Phosphor Bronze

Nonferrous Metals

Copper Alloys

C5191 - UNS C51910 | Phosphor Bronze

Non-Magnetism
Conductivity
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Overview & Features

C5191, called "Phosphor bronze", is a material with good ductility, fatigue resistance, and corrosion resistance.
Because of its spring properties, it is suitable for various spring applications, but if high-performance spring properties are required, we recommend to use "Phosphor bronze for springs". Among high strength materials, it is often used in leaf springs that do not require bending.

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Standard
Chemical Composition
Related Products

Standards

Standards are listed as equivalent or similar to our materials, so please use them as a reference.

JIS

C5191 (H3110)

UNS/CDA

C51910

Chemical Composition

[Composition] Cu-Sn8
JIS standard value of chemical composition is shown in the table below.

Related Products

Re-rolling (Processing Service)

With our rolling technology and facilities we have developed over many years as a rerolling company, we also offer contract rolling (rerolling) of materials provided by our customers, as well as rerolling of market materials.
Heat treatment and cutting (slitting) can also be added as needed, allowing for flexibility in adjusting not only thickness but also hardness and width.

Features of our rerolling service is as follows:

(1) Compatible with various materials
We can produce a wide range of nonferrous metals, including carbon steels and stainless steels, as well as copper and copper-based alloys, aluminums, and nickel alloys.
(2)Small lots (single sheet or narrow coils) to large coils (hundreds of kilograms/coil) are available.
(3) Flexibility to adjust hardness and width
It is possible to add heat treatment and cutting (slitting) to achieve the desired temper and dimensions.
(4) Flexibility to adjust thickness（e.g., thickness 0.127mm, etc., applicable to inch equivalent size）
(5) Ultra thin foil（e.g., thickness 0.030mm, etc.）
(6) High-precision thickness tolerance（depends on materials）
(7) Short lead time for specified specifications
In the fastest case, custom-made materials can be shipped in as little as a few weeks.
(8) Materials provided by the customer can be either free of charge or paid.

Please order in the following situations:

・Looking for special material with custom specifications
・To make effective use of long-term inventory
・To get initial prototype materials in very small lots

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