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Detailed size range
C26000 copper rods have various specifications, and the specific sizes vary depending on the processing method:
Diameter range:
Round rods: Common diameter 6-130mm (ASTM B36 standard), some suppliers provide a wider customization range (0.2mm-300mm).
Hexagonal rods: diameter 5-60mm, some can reach more than 60mm.
Square rods: 4-60mm, some extend to more than 60mm.
Length range: Standard length 1-6 meters, can be customized to 30 meters.
International standards
C26000 follows multi-national standard systems, mainly including:
ASTM standards:
ASTM B36 (general standard for rods).
ASTM B134 (drawn rods), B135 (tubes), B111 (plates), etc.
Chinese standards: Corresponding to the H70 grade in GB/T.
International standards: ISO and European standards (such as CDA260, CuZn30).
Other standards: DIN (Germany), JIS (Japan), etc.
C26000 is a copper-zinc binary alloy (ordinary brass), the main components are:
Copper (Cu): 68.5%~71.5%
Zinc (Zn): Balance (about 28.5%~31.5%)
Impurity elements (total ≤0.3%):
Lead (Pb) ≤0.03%~0.07%
Iron (Fe) ≤0.05%~0.10%
Bismuth (Bi) ≤0.002%
Other trace elements such as phosphorus (P) and beryllium (Sb) are extremely low in content.
Mechanical properties vary significantly depending on the material state (annealing, cold working, etc.):
1. Annealed state (soft state)
Tensile strength (σb): 330-372 MPa or 340-460 MPa
Yield strength (σ₀.₂): 110-158 MPa or 70-230 MPa
Elongation (δ): ≥25% (some data show that it can reach 54-66%)
Hardness (HV): 85-145 or Rockwell B hardness 53-93
2. Cold work hardening state (such as H08 superhard state)
Tensile strength (σb): up to 830 MPa or 890 MPa
Yield strength (σ₀.₂): 450 MPa
Elongation (δ): as low as 3%
Other parameters
Elastic modulus (E): 110 GPa
Poisson's ratio: 0.31～0.34
Shear strength: 220～390 MPa
Key performance characteristics
Processing performance:
Excellent cold and hot processing performance, suitable for complex forming such as deep drawing and molding.
Contains a small amount of lead (0.03-0.07%) to improve machinability and reduce tool wear.
Corrosion resistance:
Stable in general atmosphere, fresh water and sea water, but prone to stress corrosion cracking, annealing treatment is required to eliminate internal stress.
Easy to oxidize and dezincify at high temperature, and protective atmosphere processing is required.
Physical properties:
Density: 8.53 g/cm³
Melting point: 899～955°C
Electrical conductivity: 28%～37% IACS (about 1/3 of pure copper)
Thermal conductivity: 120～138 W/(m·K)
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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