INDUSTRIAL METALS · MATERIAL SOURCING · FABRICATION
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BRONZE (CAST)

Gunmetal 87/7/3/3 (LG4) equivalents, chemistry & properties.

Browse reference information for Gunmetal 87/7/3/3 (LG4), including related designations, composition, mechanical properties and density. Confirm the governing standard, product form and condition for your order.

Gunmetal 87/7/3/3 (LG4) equivalent grades

USA (ASTM / AISI / SAE)
C92300 (nearest)
Europe (EN)
CuSn7Zn2Pb3 (CC492K)
UK (BS)
LG4
Japan (JIS)
BC7 (nearest)

Key data

Family
Bronze (cast)
Density
8.8 g/cm³
Typical mechanical
Higher strength than LG2
Typical uses
Mostly used for high-pressure valves, pump parts and bearings
Weight
Calculate weight in Gunmetal 87/7/3/3 (LG4)

Gunmetal 87/7/3/3 (LG4) chemical composition (weight %)

EN 1982 CuSn7Zn2Pb3-C / CC492K (LG4)

CuSnPbZnNiAlFePSSiSb
85.0–89.06.0–8.02.5–3.51.5–3.0≤2.0≤0.01≤0.2≤0.1≤0.1≤0.01≤0.25

Grades similar to Gunmetal 87/7/3/3 (LG4)

Frequently asked questions

What is the equivalent of Gunmetal 87/7/3/3 (LG4)?

Gunmetal 87/7/3/3 (LG4) equivalents: USA (ASTM / AISI / SAE) C92300 (nearest); Europe (EN) CuSn7Zn2Pb3 (CC492K); UK (BS) LG4; Japan (JIS) BC7 (nearest). Equivalents are close but not always identical; check the standard on your order.

What is the chemical composition of Gunmetal 87/7/3/3 (LG4)?

Gunmetal 87/7/3/3 (LG4) (EN 1982 CuSn7Zn2Pb3-C / CC492K (LG4)): Cu 85.0–89.0, Sn 6.0–8.0, Pb 2.5–3.5, Zn 1.5–3.0, Ni ≤2.0, Al ≤0.01, Fe ≤0.2, P ≤0.1, S ≤0.1, Si ≤0.01, Sb ≤0.25 (weight %).

What is the density of Gunmetal 87/7/3/3 (LG4)?

About 8.8 g/cm³ (8,800 kg/m³), the value used for weight calculations.

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Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.

Need Gunmetal 87/7/3/3 (LG4)?

Steel Impex India, Mumbai, supplies Gunmetal 87/7/3/3 (LG4) in pipes, plates, sheets, bars and fittings as available. Send the grade, standard, size and quantity.