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Thickness range:
Copper plate: The thickness range is relatively wide, with cold-rolled plates commonly ranging from 0.5–16.0 mm and hot-rolled plates ranging from 80–105 mm (but extra-thick plates are mostly used for special purposes).
Width range:
The width of the copper plate is determined by demand, with the maximum width of the cold-rolled plate being 1000 mm (some standards allow negotiation up to 1250 mm).
International Standards
European Standards:
EN 13599: Copper plates, sheets and strips for electrical purposes, 0.05–25 mm thick and 10–1250 mm wide, covering chemical composition, electrical conductivity (≥58 MS/m) and mechanical properties.
EN 1652: General copper plate and strip standard for non-electrical applications.
US Standards:
ASTM B248: Covers dimensional tolerances and mechanical properties of copper plates, used in conjunction with ASTM B152.
Chinese Standards:
GB/T 5231-2022: Specifies the chemical composition (Cu 79.0–81.0%, remainder Zn) and processing requirements of C24000.
Main ingredients:
Copper (Cu): 78.5%-81.5% (Chinese standard GB/T 5231-2012), US UNS C24000 standard is 76%-80%
Zinc (Zn): Balance, about 18%-23.5%.
Impurity control:
Lead (Pb): Chinese standard requires ≤0.03% or ≤0.05%, while UNS C24000 contains 0.5% Pb (low-lead brass).
Iron (Fe): ≤0.05%-0.10%.
Phosphorus (P): ≤0.01%.
The total of other impurities is ≤0.3%.
Mechanical properties
Strength and plasticity:
Tensile strength: 360 MPa (52,000 psi), some data show lower (235 MPa), which may be related to different processing conditions (such as annealed or cold-processed).
Yield strength: 170 MPa (25,000 psi).
Elongation: 42% (50 mm gauge length), the plasticity of Chinese standard H80 is good, suitable for hot and cold pressure processing.
Elastic modulus:
117 GPa (17,000 ksi)
Hardness:
Brinell hardness 82 HB, relatively low, but can be improved by cold hardening.
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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