Phosphor Bronze PB 104 (UNS C52100)

Technical Data Sheet

Chemical Composition Limits
Weight % Sn Ni Fe Pb Cu P Zn
PB 104
7.5 / 9.0 0.3 max 0.1 max 0.05 max remainder 0.02 / 0.4 0.3 max

PB 104 (C52100) is a Phosphor Bronze which is well known for its high strength, PB104 has a greater tin content than PB102. PB 104 has exceptional bearing, wear and spring properties together with excellent fatigue properties and corrosion fatigue resistance. PB104 is widely used in marine and other corrosive environments.

Typical Mechanical Properties

Material 0.2% Proof Stress (N/mm²) Tensile Strength (N/mm²) Elongation in 5.65√Cross Sectional Area(%)
PB 104 400 min 550 min 15 min
The table shows material as manufactured

PB 104 is available in Rod, Bar and Section. For all stock availability contact Sales.


Similar Specifications
BS 2874 (1986) superseded by BS EN 12167, BS EN 12164 and BS EN 12163
DTD 265A superseded by BS B24 (1991) Aircraft standard
UNS C52100

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.