Equivalent Specifications

BS 1400 PB2
BS EN 1982-2008 GC CC481K
CuSn11P-C
SAE 65C
ASTM B 505 C90700
UNI 7013-72-2A
DIN 1705 2.1052.04
AS 1565-1985 C90810
AS 1565-1974 904D

Key Features

Can tolerate high loads and high sliding velocity, impact loading or pounding. Good lubrication and alignment essential. Minimum shaft hardness 300HB.

Typical Uses

Gears, worm wheels where shock resistance is required. Industrial Restaurant Equipment, Gears, Bearings for Heavy Loads and Relatively Low Speeds, Bearings, Gear Boxes, Speed Reducers, Valve Bodies, Worm Gears
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BS1400 PB2

PB2 is continuous cast tin bronze with a higher tin content than PB1 but is lower in phosphorus content. The full specification title is BS1400 PB2 CuSn11P and it also conforms to the European norm BS EN 1982-2008 CC483K CuSn12-C. The alloy can tolerate high loads and high sliding velocity, impact loading or pounding. For bearing applications good lubrication and alignment is essential and requires a minimum shaft hardness of 300HB.

Description Phosphor Bronze
Nominal Composition CuSn11P
Alloy Type Cast

Typical Mechanical Properties

Tensile Strength (N/mm²) 400
Proof/Yield Strength (N/mm²) 190
Elongation (%) 20
Hardness Brinell 120
Impact Izod J20°C

Typical Physical Properties

Density g/cm³ 8.8
Melting Temperature Range °C 831-999
Thermal Conductivity W/mK 45
Electrical Resistivity μΩ.m15°C 0.17
Coefficient of Thermal Expansion 0-250°C 19
Relative Magnetic Permeability
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.