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 excel in producing a diverse range of copper and brass tubes. Our expansive product line supports customization to meet your unique specifications, ensuring solutions that are tailored perfectly to your needs.
Packing method: We offer standard export packaging, and can also accommodate specific packaging requests to suit your unique preferences.
Delivery cycle:Experience the efficiency of our delivery system, as we ensure your order is completed within 5 to 10 days following your payment.
Our Services:
1. Equipped with multiple automatic production lines, we guarantee timely delivery for every order, ensuring your needs are met promptly.
2. We offer top-tier products at competitive prices, delivering professional, personalized services to cater to the individual needs of each customer.
3. Our products are crafted by skilled professionals and supported by our expert foreign trade team, ensuring you can fully trust in our service excellence.
4. With years of export experience, we value every order from esteemed clients, aiming for excellence in each interaction.
Transportation: We offer comprehensive transportation options, including sea, air, land, and various express delivery services, to suit your logistical needs. Various express delivery methods.
Payment: We accept a variety of payment methods including L/C, T/T, Western Union, and MoneyGram, offering flexibility for your convenience.
FAQ:
Q: Can you send samples?
A: Absolutely, we are pleased to send samples globally to demonstrate the high quality of our offerings.
Q: What are the shipping ports?
A: Typically, shipments depart from Shanghai, Tianjin, and Qingdao ports. However, we can accommodate other port preferences based on your requirements.
Q: What certifications do your products have?
A: Our products are certified with ISO 9001, SGS, EWC, among others, affirming our commitment to quality and compliance.
Q: How long does your delivery time take?
A: Generally, our delivery time spans 7 to 15 days. In cases of exceptionally high demand or special scenarios, there might be slight delays.
Q: Can I visit your factory?
A: We warmly welcome global clients to visit our factory and witness our operations and quality processes first-hand.
Q: Is there a quality inspection before loading the products?
A: Absolutely, each product undergoes rigorous quality testing before packaging. Any products not meeting our standards are discarded to ensure only the best reach you.
Q: How are the products packed?
A: The products are meticulously packed, featuring an inner waterproof layer, an iron outer layer, and secured with a fumigation wooden pallet to prevent corrosion during ocean transport. Send your message to this supplier.