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  • C35330 DZR Brass sheet/plate(CW511L)

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C35330 DZR Brass sheet/plate(CW511L)
C35330, also known as UNS C35330 or "nickel silver," is a high-performance copper-nickel-tin alloy renowned for its balanced mechanical properties, corrosion resistance, and thermal/electrical conductivity.

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Parameter
Chemical Composition
Mechanical Properties

Detailed Dimensional Specifications

C35330 copper plates are available in standardized dimensions, optimized for industrial applications. Typical specifications include:

  • Thickness: 2 mm to 50 mm (customizable for specialized requirements).
  • Width: 10 mm to 200 mm.
  • Length: Standardized at 500 mm, though custom lengths may be produced.
  • Tolerances: Tight dimensional control ensures precision, with surface flatness typically within 0.01–0.05 mm and roughness below 0.3 µm .

 International Standards

C35330 copper plates adhere to globally recognized standards, ensuring consistency and reliability:

  • ASTM: Complies with ASTM B453/B453M-2011(R2017) for copper-zinc-lead alloy rod, bar, and shapes, emphasizing leaded brass applications .

  • UNS: Designated as UNS C35330, aligning with Unified Numbering System specifications.
  • European Standards: Equivalent to EN CW602N (CuZn36Pb2As), emphasizing dezincification resistance .
  • Other Standards:
    • BS CZ132 (UK).
    • ASME: Accepted for pressure-boundary components.
  • Key Compliance Features:
    • Dezincification resistance (critical for plumbing and marine hardware).
    • Machinability and cold-forming capabilities per ASTM guidelines .

Chemical Composition

C35330 is a leaded arsenical brass (also called Dezincification Resistant Brass, DZR Brass) with a carefully balanced composition to ensure machinability, corrosion resistance, and dezincification resistance. Its chemical composition varies slightly depending on standards but generally adheres to the following ranges:

ElementComposition Range (%)Notes/References
Copper (Cu)59.5–64% (min. 59.5%)Primary base metal .
Zinc (Zn)32.25–39% Balances the alloy; adjusted based on Cu content .
Lead (Pb)1.5–3.5%Enhances machinability; critical for high-speed machining .
Arsenic (As)0.02–0.15%Added to inhibit dezincification .
Tin (Sn)≤0.2%Impurity limit .
Iron (Fe)≤0.2%Impurity limit .
Total Impurities≤0.5%Includes trace elements like Sb, Ni, etc. .

Key Points:

  • The alloy is standardized under ASTM B453/B453M (UNS C35330) and equivalent to CW602N (EN) and CZ132 (BS) .
  • The addition of arsenic (0.08–0.15%) is critical for resisting dezincification in chlorinated water environments .

Mechanical Properties

The mechanical properties of C35330 vary significantly with temper condition (e.g., annealed, cold-worked) and product form (bars, rods, wires). Below are typical values based on ASTM standards and industrial

A. Tensile and Yield Strength
Temper ConditionTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HBW)Diameter Range (mm)References
Soft Annealed (O60)≥315≥110≥20≤95<12
1/4 Hard (H01)≥345≥140≥15–12–50
1/2 Hard (H02)≥345≥140≥15–>50
Cold-Worked (General)372–586165–42715–30110–130 HBVaries
B. Additional Properties
  • Elastic Modulus: ~117 GPa .
  • Shear Modulus: ~39 GPa .
  • Machinability: Rated 90% (vs. 100% for free-cutting brass C36000) .
  • Thermal Conductivity: 115 W/m·K .
  • Density: ~8.9 g/cm³ .
C. Key Observations:
  1. Soft Annealed (O60) State: Optimized for ductility and forming, suitable for plumbing fittings and valve components .
  2. Cold-Worked States (H01/H02): Higher strength for load-bearing applications like valve spindles and hardware .
  3. Dezincification Resistance: Achieved through arsenic addition and heat treatment, making it ideal for potable water systems .
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FAQ

Q1:Do you provide samples? Is it free or extra?
A1:Yes, we can provide samples free of charge and the customer will pay the freight.
Q2:What if I don't have export experience ?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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