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 pride ourselves in crafting an exquisite range of copper and brass tubes with unmatched precision. Our expertise is not confined to standard offerings; instead, we excel in bespoke solutions to meet your unique specifications.
Packing method: Choose our versatile packaging options: Standard export packages are available, or we can tailor to your specific requirements.
Delivery cycle:Experience prompt delivery that respects your timeline-our commitment is to dispatch your order within a swift 5-10 days post-payment.
Our Services:
1. Our state-of-the-art automatic production lines guarantee punctual delivery, ensuring that your projects proceed without delay.
2. Discover the perfect blend of quality and value as we present top-notch products tailored to individual client needs, alongside our dedicated professional service.
3. Manufactured by skilled craftsmen, our products are backed by a diligent foreign trade team dedicated to delivering exemplary service you can trust.
4. 4. With an extensive export experience, we deeply value each order from our esteemed clients, ensuring a seamless and gratifying experience.
Transportation: We offer a spectrum of transportation solutions, including sea, air, and land options, to efficiently navigate your logistical needs. Additionally, we provide a variety of express delivery methods to suit your urgency.
Payment: We accommodate a range of payment methods: L/C, T/T, Western Union, MoneyGram, and more, for your convenience.
FAQ:
Q: Can you send samples?
A: Absolutely, we offer global sample dispatch, ensuring you experience our quality firsthand.
Q: What are the shipping ports?
A: Typically, we ship from Shanghai, Tianjin, and Qingdao ports, though we accommodate other ports based on your preference.
Q: What are the certifications for your products?
A: Our products are certified by prestigious bodies, including ISO 9001,SGS etc.
Q: How long does your delivery time take?
A: Generally, our delivery ranges between 7-15 days. In cases of large volumes or special conditions, a slight delay might occur.
Q: Can I go to your factory to visit?
A: Absolutely, we warmly invite international visitors to explore our state-of-the-art facilities and witness our craftsmanship.
Q: Does the product have quality inspection before loading?
A: Certainly, each product undergoes rigorous quality control pre-packaging, ensuring only the finest are dispatched.
Q: How to pack the products?
A: Our meticulous packaging involves a moisture-resistant inner layer, reinforced by iron and stabilized with fumigation wooden pallets, safeguarding against oceanic corrosion.