Phosphor Bronze Flat Products (UNS C50500) – Mechanical Properties

UNS C50500 phosphor bronze alloy has a copper content of not less than 98.7%.

The following table shows the mechanical properties of UNS C50500 flat products as a function of heat treatment and thickness.

Temper Thickness Tensile Str. Yield Str. Elong. Rockwell
B C F 30T
H02 1mm (0.04 in) 379 MPa (55 ksi) - 16% 64 - - 60
H04 1mm (0.04 in) 448 MPa (65 ksi) 345 MPa (50 ksi) 8% 75 - - 67
H08 1mm (0.04 in) 517 MPa (75 ksi) - 4% 79 - - 70
OS025 1mm (0.04 in) 276 MPa (40 ksi) 97 MPa (14 ksi) 48% 82 - 68 -

The chemical composition of UNS C50500 copper alloy is outlined in the following table.

Element Content (%)
Tin, Sn 1.0-1.7
Zinc 0.3
Iron, Fe 0.1
Lead, Pb 0.05
Phosphorous, P 0.03-.035
Copper, Cu Remainder

Equivalent materials to UNS C50500 copper alloy are:

  • ASTM B105
  • ASTM B508
  • ASTM B9

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.