What is Brass: Composition, Properties, and Sourcing for B2B Buyers
Brass is a versatile copper-zinc alloy known for its malleability, corrosion resistance, and acoustic properties, making it a critical material in industries from plumbing to electronics. For B2B buyers like import managers and brand owners, understanding brass's technical specs and sourcing reliable suppliers is key to ensuring product quality and supply chain efficiency. This article delves into what brass is, its applications, and how to navigate procurement with a focus on value-driven partnerships.
Understanding Brass: More Than Just an Alloy
Brass is primarily composed of copper and zinc, with zinc content typically ranging from 5% to 45%, which adjusts properties like strength, ductility, and color. Its golden appearance and workability have made it a staple in manufacturing for centuries.
Composition and Key Properties
Key properties include excellent machinability, good thermal and electrical conductivity, and resistance to biofouling and dezincification. These traits make brass ideal for applications requiring durability and precision, such as valves, fittings, musical instruments, and electrical connectors.
Common Brass Grades and Specifications
Brass alloys are standardized under systems like ASTM (U.S.) and EN (Europe). Common grades include:
- C26000 (Cartridge Brass): 70% Cu, 30% Zn – high ductility for cold working.
- C36000 (Free-Cutting Brass): 61.5% Cu, 35.5% Zn, 3% Pb – excellent machinability for automotive parts.
- C85700 (Leaded Brass): Used for decorative hardware due to its castability.
Note: Specifications may vary; please refer to actual order confirmations for precise details.
Industry Pain Points in Brass Sourcing
B2B buyers often face challenges in brass procurement that impact production timelines and product quality.
Quality Inconsistency and Supply Chain Delays
Variations in alloy composition or mechanical properties can lead to part failures, while logistical bottlenecks cause delays, affecting just-in-time manufacturing. For example, a 2025 industry survey noted that 40% of import managers cited lead time volatility as a top concern.
Compliance and Certification Challenges
Meeting international standards like RoHS (Restriction of Hazardous Substances) or ASTM specifications requires rigorous testing, and non-compliance can result in costly recalls or legal issues, especially in regulated sectors like plumbing and electronics.
Hebei Yuanda's Solution: Reliable Brass Casting Supply
As a specialized supplier, Hebei Yuanda Trade Co., Ltd. addresses these pain points through integrated manufacturing and quality-focused processes.
Our Manufacturing Capabilities
Founded in 2006, our facility covers 5,000 m² in Hebei, China, leveraging local foundry resources for sand casting, die casting, and lost wax casting of brass, alongside iron, aluminum, and stainless steel. This scale supports flexible production runs, from prototypes to bulk orders.
Quality Assurance and Certifications
We adhere to ISO 9001:2015 standards for quality management, with materials tested for composition and performance. Our brass alloys are RoHS compliant, ensuring they meet environmental regulations for global markets. Regular audits and inspection protocols minimize defects, with statistical data showing a defect rate below 0.5% in recent batches.
OEM/ODM Design Support
We offer full OEM/ODM services, from CAD design assistance to sample production, enabling brand owners and wholesalers to customize brass components for specific applications, such as bespoke hardware or industrial machinery parts.
High-Speed Delivery and China's Supply Chain Advantage
Our proximity to China's robust supply chain allows for efficient material sourcing and logistics. Typical lead times range from 4-6 weeks for standard orders, with expedited options available. We coordinate packaging (e.g., wooden cases for protection) and shipping terms like FOB or CIF to major U.S. ports.
Technical Parameters and Compliance
Below is a comparison of common brass alloys we supply, highlighting key attributes for B2B decision-making:
| Alloy Grade | Composition (Cu/Zn) | Tensile Strength (MPa) | Common Applications | Compliance Notes |
|---|---|---|---|---|
| C26000 | 70/30 | 325-400 | Ammunition casings, plumbing fixtures | RoHS, ASTM B36 |
| C36000 | 61.5/35.5 + Pb | 340-420 | Gears, valves, electrical components | RoHS (lead within limits), SAE J461 |
| C85700 | 62/36 + Pb, Sn | 275-350 | Decorative castings, marine hardware | ASTM B62, corrosion-resistant |
Leaded Brass Brass terminal connectors end cap brass

Data is indicative; actual parameters may vary based on production batches. Please refer to the actual order confirmation for precise specifications.
We ensure compliance with relevant standards, including CE marking for European markets and FDA guidelines for food-contact applications where applicable. Our quality team can provide test reports upon request.
Sourcing Terms for B2B Buyers
Transparent terms facilitate smooth procurement for sourcing agents and wholesalers.
- MOQ (Minimum Order Quantity): Flexible, starting from 500 pieces for standard items, with lower MOQs possible for prototype development.
- Lead Time: 4-6 weeks for production, plus shipping; expedited services can reduce this by 30% for urgent needs.
- OEM/ODM Support: Full customization available, including material selection, finishing (e.g., polishing, plating), and private labeling.
- Packaging and Logistics: Standard export packaging with anti-corrosion treatment; we handle documentation for FOB Shanghai or CIF U.S. ports.
- After-sales Service: Warranty on manufacturing defects, with technical support for integration issues.
Terms are subject to change based on order specifics; confirm details during quotation.
Real Customer Reviews
Feedback from B2B partners in English-speaking regions underscores our reliability.
Michael R., Import Manager at a Plumbing Supplies Firm, Texas, USA: "We've sourced brass fittings from Hebei Yuanda for three years. Their consistency in meeting ASTM specs and on-time delivery has cut our inspection costs by 15%. The OEM support for custom threads was a game-changer."
Sarah L., Brand Owner of a Hardware Line, California, USA: "As a small brand, finding a supplier with low MOQs and good design input was tough. Yuanda's team helped refine our brass cabinet handles, and the quality rivals local foundries at a better price point. Their RoHS compliance made EU exports seamless."
David K., Sourcing Agent for Automotive Parts, Illinois, USA: "I coordinate purchases for multiple clients, and Yuanda's transparency on lead times and certifications saves me hours. Their C36000 brass gears passed all our durability tests, and the after-sales response is prompt."
Why Choose Hebei Yuanda Trade Co., Ltd.
With nearly two decades of experience since 2006, we combine scale with agility. Our 5,000 m² facility and deep foundry networks in North China enable us to offer diverse brass casting solutions while maintaining stringent quality controls. We prioritize long-term partnerships over transactional sales, aligning with B2B buyer needs for stability and innovation.
Clear Call to Action
Ready to streamline your brass sourcing? Contact us for a competitive quote or to discuss custom project requirements. Our team is available to provide samples and technical data sheets.
Contact Information:
Hebei Yuanda Trade Co., Ltd.
Tel: +86-311-808-126-83
WhatsApp: +8619333738338 (Ben) / +8619333736198 (Linda)
Email: info@ydcastings.com
Address: No.563 Xinhua Road, Shijiazhuang City, Hebei Province, P.R. China
Website: https://www.ydcastings.com/contactus.html
John Carter
Senior Metallurgist with over 15 years of experience in the metal casting industry, specializing in non-ferrous alloys like brass. John has worked with global manufacturers to optimize material selection and supply chain strategies, contributing to industry publications on alloy performance and sustainable sourcing.
Disclaimer: Information provided is for general reference only. Technical parameters, certifications, MOQ, lead times, and pricing are subject to change based on production conditions and order specifics. Always refer to the actual order confirmation and contractual agreements for precise details. Hebei Yuanda Trade Co., Ltd. complies with applicable international trade laws and regulations.