Spezilla Tube Co., Ltd. (Shanghai)
| Payment Terms | T/T or L/C |
| Supply Ability | 1000 TONS / MONTH |
| Delivery Time | 10 DAYS |
| Packaging Details | PLY-WOODEN CASE / BUNDLE WITH PLASTIC CAP |
| Product Name | Copper Nickel Seamless Tubing |
| UNS No. | C44300 – BSI No. CZ111 ISO Name CuZn28Sn1 |
| ASME Spec. | SB111, SB395 |
| Thickness | 0.25MM - 4.0MM |
| Standard Length | 6000MM |
| Temper | O61 |
| Shape | Round |
| Package | Wooden Case |
| Application | Heat Exchanger |
| Brand Name | SPEZILLA |
| Model Number | CuNi30Mn1Fe, CuNi 70/30, C71500 |
| Certification | ISO9001:2008, PED 97/23/EC |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T or L/C | Supply Ability | 1000 TONS / MONTH |
| Delivery Time | 10 DAYS | Packaging Details | PLY-WOODEN CASE / BUNDLE WITH PLASTIC CAP |
| Product Name | Copper Nickel Seamless Tubing | UNS No. | C44300 – BSI No. CZ111 ISO Name CuZn28Sn1 |
| ASME Spec. | SB111, SB395 | Thickness | 0.25MM - 4.0MM |
| Standard Length | 6000MM | Temper | O61 |
| Shape | Round | Package | Wooden Case |
| Application | Heat Exchanger | Brand Name | SPEZILLA |
| Model Number | CuNi30Mn1Fe, CuNi 70/30, C71500 | Certification | ISO9001:2008, PED 97/23/EC |
| Place of Origin | CHINA | ||
| High Light | welded finned tubes ，aluminium extruded finned tubes | ||
CuZn20Al2As Aluminum Brass Tube , ASME SB395 copper heat exchanger Welding CZ110
Aluminum brass tube, C68700, is a copper zinc alloy with additions of aluminum and arsenic. Aluminum brass tube has excellent corrosion and erosion resistance, making it ideal for use in marine environments. It is specified for the manufacture of ships condensers, oil coolers, and other heat exchangers used in aggressive conditions where reliability is essential.
The most popular specifications in Europe and America are CZ110, C68700, CW702R and CuZn20Al2As. These Specifications are most commonly used within the Oil and Gas and Shipbuilding industries.
Common Specifications:
1. CZ110
2. C68700
3. CW702R
4. CuZn20Al2As
5. BS 2871: Part 2 for General Engineering and Decorative Purposes
6. BS 2871: Part 3 for Heat Exchangers
7. ASTM B187
8. ASTM B152
Aluminum Brass Tube Applications:
1. Condenser Tube
2. Evaporator Tube
3. Ferrules
4. Heat Exchanger Tube
5. Refrigeration Tube
Aluminum Brass Tube Equivalent Specifications:
| SPECIFICATIONS | DESIGNATION | |||||||||
| ISO | CuZn20Al2 | |||||||||
| Europen | CuZn20Al2 | |||||||||
| BS | CZ 110 | |||||||||
| JIS | C6870 | |||||||||
| Russian | LAMs77-2-0.05 | |||||||||
Chemical Composition:
| Al | As | Cu | Fe | Pb | Zn | |||||
| Min/Max | 1.8 - 2.5 | 0.02 - 0.06 | 76.0 - 79.0 | 0.06 | 0.07 | Rem | ||||
| Nominals | 2 | 0.04 | 77.5 | - | - | 20.5 | ||||
Specifications:
| End Product | Specification | |||||||||
| Tube, Condenser | ASME SB111, ASTM B111 | |||||||||
| Tube, Finned | ASME SB359, ASTM B359 | |||||||||
| Tube, Finned | ASME SB543, ASTM B543 | |||||||||
| Tube, U-bend | ASME SB395, ASTM B395 | |||||||||
Fabrication:
| Joining Technique | Suitability | |||||||||
| Brazing | Good | |||||||||
| Butt Weld | Good | |||||||||
| Capacity for Being Cold Worked | Excellent | |||||||||
| Capacity for Being Hot Formed | Fair | |||||||||
| Coated Metal Arc Welding | Not Recommended | |||||||||
| Gas Shielded Arc Welding | Fair | |||||||||
| Machinability Rating | 30 | |||||||||
| Oxyacetylene Welding | Fair | |||||||||
| Seam Weld | Fair | |||||||||
| Soldering | Fair | |||||||||
| Spot Weld | Good | |||||||||
Physical Properties:
| Product Property | US Customary | Metric | ||||||||
| Coefficient of Thermal Expansion | 10.3 ·10-6 per oF (68-572 F) | 18.5 ·10-6 per oC (20-300 C) | ||||||||
| Density | 0.301 lb/in3 at 68 F | 8.33 gm/cm3 @ 20 C | ||||||||
| Electrical Conductivity | 23 %IACS @ 68 F | 0.135 MegaSiemens/cm @ 20 C | ||||||||
| Electrical Resistivity | 45.1 ohms-cmil/ft @ 68 F | 7.5 microhm-cm @ 20 C | ||||||||
| Melting Point - Liquidus | 1780 F | 971 C | ||||||||
| Melting Point - Solidus | 1710 F | 932 C | ||||||||
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa | ||||||||
| Modulus of Rigidity | 6000 ksi | 41370 MPa | ||||||||
| Specific Gravity | 8.33 | 8.33 | ||||||||
| Specific Heat Capacity | 0.09 Btu/lb/oF at 68 F | 377.1 J/kg/ · oK at 293 K | ||||||||
| Thermal Conductivity | 58.0 Btu · ft/(hr · ft2·oF)at 68F | 100.4 W/m · oK at 20 C | ||||||||
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
>3000000.00
Ecer Certification：
Verified Supplier
Spezilla specialise in manufacturing high quality precision stainless steel tube and other corrosion resistant alloy tubes that are designed to industry and customer specifications. Our products are manufactured to the highest quality standards and are very competitively priced. Our mission is to pr... Spezilla specialise in manufacturing high quality precision stainless steel tube and other corrosion resistant alloy tubes that are designed to industry and customer specifications. Our products are manufactured to the highest quality standards and are very competitively priced. Our mission is to pr...
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