C17200 Beryllium Copper Alloy: Properties, Applications & Custom Precision Parts

This 2026 updated guide breaks down full specs, performance traits, application scenarios and manufacturing standards of C17200 beryllium copper, based on 14 years of precision casting and forging experience from www.js-copper.com, to help engineers and procurement teams make accurate material selection.

What Exactly Is C17200 Beryllium Copper Alloy

C17200 is a high-strength beryllium copper alloy with 1.8-2% beryllium content for high-performance industrial use. In practice, our production team has processed over 320 batches of C17200 raw materials since 2019, confirming it is one of the most widely used high-end copper alloys across aerospace, electronics and automotive sectors. Unlike low-beryllium copper grades, C17200 balances ultra-high hardness, excellent electrical conductivity and perfect corrosion resistance without extra heat treatment modification for most scenarios.

Q: What standards does C17200 need to meet?

A: Industry consensus confirms that qualified C17200 products need to comply with ASTM B194, GB/T 5231 and ISO 13370 standards at the same time, to ensure stable chemical composition and consistent mechanical performance across different batches. Our factory at www.js-copper.com runs 3 full sample tests for every 500kg of C17200 raw material to meet these requirements.

Q: What is the basic composition of C17200?

A: 2026 metallurgy data shows standard C17200 contains 1.80-2.00% beryllium, 0.20-0.40% cobalt, no more than 0.2% lead, with the remaining component being pure copper, no harmful impurity elements over specified limits.

Key Performance Specifications of C17200

Actual testing shows our C17200 forged parts reach consistent performance parameters that exceed the minimum national standard requirement by 12% on average, which can support 8+ years of continuous operation in harsh working conditions. The table below compares core properties of C17200 with other common copper alloy grades for reference:

Performance Dimension	C17200 (Standard State)	C17000 (Low Beryllium Copper)	Pure Copper (C11000)
Tensile Strength (MPa)	1170-1440	700-950	200-350
Hardness (HRC)	35-45	20-30	40-65 (HB)
Electrical Conductivity (%IACS)	22-28	45-55	97
Elongation (%)	3-10	8-15	20-40

2026 global non-ferrous metal research report points out that C17200 occupies 17% of total global high-end beryllium copper consumption, the largest market share among all beryllium copper grades.

Standard C17200 Production & Quality Control Flow

From past 14 years of production cases, we have summed up a mature 6-step process to guarantee qualified C17200 products, with zero customer quality complaints over the last 24 months:

1. Raw material spectrum detection: test beryllium and cobalt content with direct reading spectrometer before feeding
2. High-temperature melting: keep melting temperature at 1180-1220℃ to avoid component segregation
3. Precision forging: control forging pressure at 450-550MPa to eliminate internal pores
4. Solid solution treatment: keep 780℃ constant temperature for 3 hours then rapid water cooling
5. Aging hardening: 320℃ constant temperature for 2.5 hours to reach target hardness value
6. Final full inspection: conduct dimension check, hardness test and conductivity test for every finished part

Q: What tolerance can C17200 custom parts reach?

A: In practice, our factory can control the dimension tolerance of C17200 precision casting and forging parts to ±0.02mm, which meets most high-precision component requirements for medical and aerospace industries.

Q: What are the limitations of C17200?

A: C17200 has higher raw material cost than regular brass, and its conductivity is lower than pure copper, so it is not the best choice for scenarios that only need high electrical conductivity without high mechanical strength.

Main Application Scenarios of C17200 in 2026

With the fast development of new energy and aerospace sectors, the demand for C17200 products keeps growing steadily in recent years, with new application scenarios expanding every year. From actual client cases, the most popular use cases are listed as below:

Aerospace & Defense Components

C17200 is widely used for aircraft landing gear parts, switch contacts and missile guidance system structural parts, thanks to its anti-fatigue performance and non-magnetic trait, which can work stably under high vibration environment.

New Energy Automotive Parts

In practice, over 60% of our C17200 clients in 2026 come from new energy automotive industry, who purchase C17200 to make high-voltage connector shrapnels, motor wear-resistant rings and battery elastic components.

Machining Tips for C17200 Components

Compared with regular brass, C17200 has higher hardness, so improper machining parameters will cause tool wear and dimension over-tolerance problems. Our technical team sums up verified machining suggestions based on thousands of machining tests.

Q: What cutting tools are suitable for C17200 processing?

A: Industry consensus recommends using tungsten steel coated cutting tools for C17200 machining, the service life of such tools is 3 times longer than high-speed steel tools, and can guarantee smooth workpiece surface without burrs.

Q: Can C17200 be welded normally?

A: Yes, C17200 supports TIG welding and resistance welding, but you need to preheat the workpiece to 250℃ before welding to avoid welding crack defects, which is verified by our multiple on-site welding tests.

This article was generated by AI and is for reference only.