Equivalent Specifications

BS 2874 PB104
BS EN 12163 CW453K
NFL 14703
ISO 427
DTD 265A
QQ B 750 D
SAE J 461 CA521
ASTM B 139 C52100
ASTM B 103 C52100
SAE J463
DIN 17672 2.1030
JIS H 3741
SIS 14 54 31

Key Features

A phosphor bronze that can be produced in the wrought condition with enhanced mechanical and excellent anti frictional properties.

Typical Uses

This alloy is a phosphor bronze that is produced in the wrought condtion to give improved mechanical strength.It can be used in bearing applications working under high loads and has excellent wear and good bearing properties.
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NFL 14-703 CuSn8P (UE8P)

A French AFNOR aerospace specification for Tin Bronze CuSn8P. The alloy is produced in one of the three tempers, according to the application. It has good electrical and heat conductivity as well as excellent bearing properties and corrosion resistance. The alloy can also be manufactured to meet the properties of BS 2B 24, DTD 265A
and BS 2874 PB104, CW453K.

Description Phosphor Bronze
Nominal Composition CuSn8P
Alloy Type Wrought

Typical Mechanical Properties

  Annealed 1/2 Hard Hard
Tensile Strength (N/mm²) 400 440 490
Proof/Yield Strength (N/mm²) 175 290 390
Elongation (%) 55 25 10
Hardness Brinell 100Max. 100 Min. 150 Min.
Impact Izod J20°C      

Typical Physical Properties

Density g/cm³ 8.8
Melting Temperature Range °C 880-1040
Thermal Conductivity W/mK 12%
Electrical Resistivity μΩ.m15°C 15
Coefficient of Thermal Expansion 0-250°C 18x10-6/°C
Relative Magnetic Permeability < 1.01
Coefficient of Friction  

Copper Alloys Ltd has the ability to modify existing alloys for improved performance. Many customers have benefited from this in the past.

To discuss your requirements, call a member of Copper Alloys Ltd's technical team on +44 (0) 1782-816888, or email sales@copperalloys.net.

This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with tempeter, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be acepted by the Company in respect of any action taken by any third party in reliance thereon.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.

Any advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the Company's Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions, a copy of which is available on request.