
The general thickness range is 1.0-100mm (such as plates for mechanical parts), and specific applications may involve more detailed ranges, such as 1.3mm, 1.6mm, 1.8mm, 3.2mm, etc. for engraving plates.
The thickness of environmentally friendly soft copper plates can reach 1.0-1.6mm (in line with EU standards). Width and length can be customized
International Standards and Specifications
ASTM Standards:
ASTM B36: Applicable to soft annealed (O60 state) copper strip and plate of C23000 for general industrial use.
ASTM B152: Covers technical parameters such as tensile strength (≥195MPa) and elongation (≥30%) of copper strip.
European Standards (EN):
BS EN 13599:2014: Specifies the composition, electrical conductivity (≥100% IACS), thickness (0.05-25mm) and width (10-1250mm) of copper plates for electrical use, and includes tolerance requirements.
Chinese Standards (GB/T):
GB/T 2059: Requirements for thickness tolerance (±0.012mm), mechanical properties (such as tensile strength ≥195MPa) and surface quality of copper strip.
GB/T 17793—2010: Specifies the allowable deviation of the dimensions of copper strip, including width, length, straightness, etc.
Other standards:
DIN 17660: German brass alloy standard, covering the chemical composition and properties of CuZn15 (corresponding to C23000).
ISO 426-2: International general standard for copper-zinc alloys.
Main components:
Copper (Cu): The content ranges from 84.0% to 86.0%.
Zinc (Zn): As a residual component, it usually accounts for about 14%-16%.
Trace elements:
Lead (Pb): The maximum content does not exceed 0.05%.
Iron (Fe): The maximum content does not exceed 0.05% (some standards such as GB/T 5231-2012 stipulate that Fe≤0.03%)
Mechanical properties vary depending on processing status, hardness level and product size:
Tensile strength:
H01 (semi-hard): Minimum tensile strength for bars with diameters less than 1/2 inch is 305 MPa (44 ksi), and for bars with diameters greater than 1 inch is 275 MPa (40 ksi).
H02 (semi-hard): 345 MPa (50 ksi) for bars with diameters less than 1/2 inch, and 275 MPa (40 ksi) for bars with diameters greater than 1 inch.
H04 (hard): 435 MPa (63 ksi) for bars with diameters less than 1/2 inch, and 400 MPa (58 ksi) for bars with diameters greater than 1 inch.
Combined with other standards, the tensile strength range can reach 269-724 MPa (39-105 ksi).
Yield Strength:
Wide range, from 69 MPa (10 ksi) to 480 MPa (70 ksi), depending on processing
Elongation:
Up to 55% (2-inch gauge length), elongation for different hardness grades in ASTM standards varies with diameter.
Hardness:
Rockwell B hardness ranges from 48-87, Rockwell Superficial 30T hardness ranges from 51-77; hardness values vary in different annealing states.
Other Parameters:
Modulus of Elasticity: Approximately 110-117 GPa.
Poisson's Ratio: 0.33-0.34.
Shear Strength: 220-340 MPa.



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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