RG5 Gunmetal (CuSn5Zn5Pb5)

RG5 (CuSn5Zn5Pb5) leaded gunmetal. It is easy to machine, has good pressure tightness and is used for valves, fittings and general-purpose bushes.

Grade and sizes

CuSn5Zn5Pb5-C · CC491K

RG5

A red cast bronze with about 5 % tin, 5 % zinc and 5 % lead (85-5-5-5). The lead makes it easy to machine; the castings have good pressure tightness and high corrosion resistance to water and steam. Used for valve and fitting bodies, pump parts, flanges and general-purpose bushes under moderate loads. For bearing applications, RG7, with its higher lead content, is generally preferred.

INTERNATIONAL EQUIVALENTS

EN CC491K · DIN 2.1096 · UNS C83600 · BS LG2
Casting standard: EN 1982

SOLID BAR: Ø10–300 mm
HOLLOW BAR (CAST, FOR BUSHES): OD 10–300 mm · ID on request
FLAT AND SQUARE BAR: On request
LENGTH: Up to 3 m
CASTING PROCESS: Sand casting and continuous casting
ORDERING: Cut to length, minimum 5 kg

For large-quantity orders, other cut sizes are possible.

Request a quote on WhatsApp Calculate weight ↓Request technical data

Chemical composition, mechanical properties and material certificates are available on request.

RG5 gunmetal (CuSn5Zn5Pb5) weight calculator

Calculate the weight from the size, or the length and number of pieces needed for a target weight. Your selections are added to the quote message automatically.

FORM

Diameter (Ø)mmLengthmmQuantitypcs

RG5: calculated with a density of 8.7 g/cm³.

TOTAL THEORETICAL WEIGHT

6.83 kg

6.83 kg per piece · quantity: 1 · 17.08 kg/m

Order terms: Cut to length, minimum 5 kg. This is a theoretical weight; we invoice on the actual weight as weighed.

YOUR MESSAGE

Hello, I would like a quote for RG5 Gunmetal (CuSn5Zn5Pb5) (solid bar).
Size: Ø50 × 400 mm, quantity: 1 (theoretical ~6.83 kg)

Request a quote for this size on WhatsApp or send by e-mail →

For other bronze sizes, weight-per-metre tables and densities, see the Bronze weight calculator →

Applications

Valve and fitting bodies
Pump parts
General-purpose bushes
General plumbing fitting parts (not for drinking water)

Frequently asked questions

What is the difference between RG5 and RG7?

RG7 contains more lead and performs better in plain bearings and bushes where lubrication is insufficient. RG5 is used mainly for valves, fittings and parts that must be pressure-tight.

What are the designations for RG5?

RG5: CuSn5Zn5Pb5-C, EN CC491K, DIN 2.1096, UNS C83600, BS LG2. Any of these designations can be used in your enquiry; we will match the correct material.

Why can the invoiced weight differ from the calculated weight?

The calculator gives the theoretical weight. The actual weight varies with dimensional tolerances and cutting allowance; we invoice on the actual weight as weighed.

What information should I send for a quote?

We only need the size (diameter × length), quantity and delivery location. If you fill in the calculator above, these details are added to the WhatsApp message automatically.