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Copper Sheet (Plate):
- Thickness:
- General range: 0.20 mm to 15.0 mm (customizable up to 10.0 mm per ASTM/EN standards) .
- Common standardized thicknesses:
- EN 1652 (CuZn10/CW501L): 0.55 mm, 0.60 mm, 0.70 mm, 0.80 mm (semi-hard/hard temper) .
- ASTM B36/B36M: 0.5 mm to 12.7 mm (0.02–0.5 in) .
- Width: Up to 1,000 mm (EN 1652) or 1,200 mm (custom orders) .
- Length: Typically 2,000 mm (EN 1652) or customized .
Copper Strip:
- Thickness:
- General range: 0.01 mm to 3.0 mm .
- Standardized thicknesses:
- GB/T 2059-2017: >0.15 mm to <0.50 mm (thin strip); 0.50 mm–3.0 mm (thick strip) .
- ASTM B152/B152M: 0.05 mm–12.7 mm (varies by temper and application) .
Width:
- ≤610 mm (for thickness <0.50 mm) or ≤1,200 mm (for thickness ≥0.50 mm) .
Custom orders: 20 mm–1,250 mm (e.g., connector strips) .
International Standards
C22000 is recognized under multiple global standards for sheet/strip production:
Detailed Chemical Composition of C22000 Copper Alloy
C22000, also known as Commercial Bronze or H90 brass, is a copper-zinc alloy with minor trace elements. Its chemical composition is standardized as follows (by weight percentage):
- Copper (Cu): 89.0–91.0%
- Zinc (Zn): Balance (approximately 9.0–11.0%)
- Iron (Fe): ≤0.05%
- Lead (Pb): ≤0.05%
- Other impurities (total): ≤0.3%
This composition ensures a balance of ductility, corrosion resistance, and workability. Notably, the low iron and lead content minimizes brittleness and enhances cold-working properties
Mechanical Properties of C22000 Copper Alloy
The mechanical properties of C22000 vary significantly depending on its processing state (e.g., annealed, cold-worked). Below is a comprehensive breakdown:
1. Basic Mechanical Properties (Annealed State):
- Tensile Strength (Ultimate): 200–260 MPa
- Yield Strength (0.2% Offset): 69–150 MPa
- Elongation (at Break): 15–45%
- Shear Strength: 200–300 MPa
- Hardness:
- Brinell Hardness (HB): 70–200 HB
- Rockwell B Hardness: 42–81 HRB
- Brinell Hardness (HB): 70–200 HB
- Elastic Modulus: 110–115 GPa
- Poisson’s Ratio: 0.33
2. Enhanced Properties After Cold Working:
Cold deformation significantly improves strength and hardness:
- Tensile Strength: Up to 520 MPa
- Yield Strength: Up to 500 MPa
- Elongation: Reduced to 1.9–10% (depending on strain)
- Hardness (Rockwell 30T): 47–73 HR30T
3. Compressive Strength:
- Compressive Strength: >600 MPa (noted in specialized reports for high-load applications) .
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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