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Size range
Diameter: Different data show slight differences. The general rod diameter is 1-200 mm, or 6-500 mm, and the imperial specification is 0.25-4.5 inches (about 6.35-114.3 mm). Specific applications such as valve parts are smaller (such as 1/2"-4").
Length: The standard length range is 500-6000 mm, and 10-16 feet (about 3-4.8 meters) of rods can be provided, or customized to 30 meters.
Shape: Including round, square, hexagonal and special-shaped sections.
International standards
Material standards: Conform to ASTM B124 (forged brass rods), B981 (processed brass), as well as GB/T 5231, JIS H3300, etc.
Application standards: Involving ASTM B111 (copper-nickel alloy tubes), MSS SP-80 (valves), etc.
Other certifications: Some products comply with European standards such as EN (CW612N), DIN 1785, etc.
Chemical composition
C37700 belongs to lead brass (forged brass), the main components are:
Copper (Cu): 58.0%~61.0%
Lead (Pb): 1.5%~2.5%
Zinc (Zn): balance (about 36%~40%)
Iron (Fe): ≤0.3%
Other trace elements (such as Sn, Ni, etc.): total ≤0.5%
Physical properties
Density: 8.4 g/cm³
Melting point:
Solidus: 880°C
Liquidus: 890°C
Thermal conductivity: 69~120 W/m·K
Electrical conductivity: 26%~27% IACS (International Annealed Copper Standard)
Coefficient of thermal expansion: 21 µm/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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