Gunmetal Casting Alloy – LG4 (CC492K)

LG4 Gunmetal Casting Alloy

Typical applications

Bearings, bushes. Naval bronze.

Chemical Composition
%
Copper 84.0-86.0
Zinc 4.0-6.0
Tin 4.0-6.0
Lead 4.0-6.0
Silicon 0.005 max
Phosphorous 0.005 max
Iron 0.03 max
Sulphur 0.08 max
Antimony 0.25 max
Nickel 1.0 max
Aluminium 0.005 max

LG4 BS 1400 Chemical Composition
%
Copper max
Zinc max
Magnesium max
Lead max
Silicon
Tin max
Iron
Titanium max
Manganese max
Nickel max
Aluminium

LG4 Mechanical Properties

Elongation A50 mm 12 %

Hardness Brinell 70 HB

Tensile Strength 240 N/mm2

0.2% Proof Stress 130 N/mm2