Bronze material family
Valve and Steam Bronze
Pressure-tight leaded bronze for steam, hot water and valve castings.
Overview
Valve and steam bronze – C92200, also known as Navy “M” bronze – is a tin-bronze casting alloy balanced with lead and zinc for pressure-tight, easily machined valve and fitting castings in steam and hot-water service.
Temperature and pressure limits are set by design and code, not by alloy alone.
Grades in this family
| UNS | Name | Type | Product forms listed |
|---|---|---|---|
| C92200 | Steam / Valve Bronze (Navy “M” Bronze) | Cast copper-tin-lead-zinc alloy | Fitting, Flange |
Product forms listed are those shown on this website; availability is confirmed per inquiry.
Selection guide
- Steam and hot-water valves and fittings: C92200.
- General water and plumbing: C83600.
- Lead-restricted water systems: review lead-free alternatives.
Typical applications
- Steam valves and valve bodies
- Pipe fittings and unions for steam / hot water
- Pump and boiler fittings
- Marine auxiliary systems (compatible service)
Examples only – confirm suitability for your service.
Frequently asked questions
What does ASTM B61 cover?
It is the specification for steam or valve bronze castings.
Looking for a Bronze Product for Your Application?
Share your grade, dimensions, quantity, and technical requirements with our team.