copper Alloy |
Chemical Composition |
Temper |
Mechanical Property |
Copper % |
Phosphorus % |
Tensile Strength MPa |
Elongation % |
Hardness HV |
Cu-DHP |
≥ 99.90 |
0.015-0.040 |
R220 |
≥ 220 |
≥ 40 |
40-70 |
Cu-DHP |
≥ 99.90 |
0.015-0.040 |
R250 |
≥ 250 |
≥ 30 |
75-100 |
Cu-DHP |
≥ 99.90 |
0.015-0.040 |
R290 |
≥ 290 |
≥ 3 |
≥ 100 |
Cleanness Requirement - Air Conditioner and Refrigeration Copper Tube
Copper Alloy |
Temper |
Cleanness |
Standard |
Cu-DHP |
R220 |
≤ 38mg/m² |
EN 12735-1 |
Cu-DHP |
R2250 |
≤ 38mg/m² |
EN 12735-1 |
Cu-DHP |
R290 |
≤ 38mg/m² |
EN 12735-1 |
At Shandong Tongmao Special Steel Co., Ltd., we are masters in creating copper tubes and brass tubes that cater to a wide array of specifications. Our expertise extends to offering customized services that perfectly align with your unique requirements.Experience the excellence of our brass pipes, a distinguished type of non-ferrous metal pipe. These pipes are skillfully crafted into seamless forms through meticulous pressing and drawing techniques. Our copper pipes are renowned for their robust, corrosion-resistant properties, making them the premier choice for contemporary contractors. Ideal for installation in residential and commercial spaces, they serve as superior water, heating, and cooling conduits. For water supply needs, our brass pipes are unmatched.With 16 years of expertise in foreign trade, we boast our own processing plant. Our products not only adhere to international standards but are also offered at competitive prices, ensuring value and quality.
Discover our bespoke aluminum coil processing services, tailored to meet your specific needs.
Packing method: We provide a standard export package, which can be customized according to your preferences to ensure safe and secure delivery.
Delivery cycle:Your order will be dispatched swiftly, within 5-10 days post-payment, ensuring a prompt and reliable delivery experience.
Our Services:
1. With multiple automatic production lines, we guarantee timely delivery, ensuring your satisfaction with our efficiency.
2. We are committed to offering premium products at fair prices. Our professional services are crafted to suit the unique needs of every customer.
3. Our seasoned craftsmen create each product with precision, backed by a high-performing foreign trade team. Trust in our top-notch service.
4. Our extensive export experience means we value and honor each order with utmost dedication.
Transportation: Enjoy flexible shipping options with our support for sea, air, land transportation, complemented by a variety of express delivery services to suit your logistics needs.
Payment: Choose from L/C, T/T, Western Union, MoneyGram, and other convenient payment methods for seamless transactions.
FAQ:
Q: Can you send samples?
A: Absolutely, we are delighted to send samples worldwide, ensuring you experience our quality firsthand.
Q: What are the shipping ports?
A: Typically, we dispatch from Shanghai, Tianjin, and Qingdao ports. However, other ports are available depending on your preference.
Q: What certifications do your products hold?
A: Our products are certified by ISO 9001, SGS, EWC, among others, ensuring quality and compliance.
Q: How long does your delivery time take?
A: Generally, delivery spans 7-15 days. This can extend if demand is high or in special circumstances.
Q: Can I visit your factory?
A: We warmly welcome visitors from all corners of the globe to tour our factory and witness our operations firsthand.
Q: Is there a quality inspection before loading the products?
A: Absolutely, each product undergoes rigorous quality testing before packaging. Any item not meeting our standards is discarded.
Q: How are the products packed?
A: Products are carefully packed with a waterproof paper inner layer, iron packaging outer layer, and secured on a fumigated wooden pallet to prevent corrosion during ocean transport. Contact us for further details.