Welded 4.76x0.5 Steel Bundy Tube Low Carbon Zinc Coated

Refrigerator Part 4.76*0.5 Low Carbon Steel Tube Zinc Coated Steel Bundy Tube

Description:

1. With smooth surface, the average roughness Ra is 0.6µm≤Ra≤1.9µm
2. Inner cleanliness is 0.1948/m² Max.
3. Various ways of bending and cutting fabrication is possible
4. Zinc, copper plating is available following customer’s request. The hot galvanizing thickness can be above 8 µm
5. Clean inner wall with industrial alcohol to guaranty the cleanliness
6. Salt spray test for hot galvanizing tube is above 72 hours
7. Packing: antirust paper for inner packing and cloth for outer packing

2. Steel Grade

BHG1, SPCC, SPCD, SPCEN, ST14, ST15, ST16, DC04, DC05, DC06

3. Heat Treatment

BK or NBK

4. Specification

5. Production Process

Tube welding– Cold drawing (reduce diameter)– Annealing in Protected Atmosphere— Cleaning-- Leakage detection– Zinc/Copper Plating– Keep pressure (Airtightness) – Packing

6. Surface Treatment

7. Packing: In coil, in wooden box with seaworthy packing

8. Application

Fluid carrying system for automobiles

Fluid carrying system for refrigerators

Wire condenser for chillers, showcase

Vending machine, ice machine etc.

Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is specialized in producing and selling high-end bearing tubes, auto alloy tubes, titanium and titanium alloy tubes, nickel and nickel-based alloy tubes, refrigerator condenser tubes, aluminum and aluminum alloy tubes and the like.
The company focuses on the development of new products, and has successively developed high diameter-wall ratio titanium-molybdenum-nickel alloy seamless steel tubes, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tubes, auto critical components used alloy steel tubes, high-end refrigerator used corrosion-resistance galvanized condenser tubes, marine engineering and complex environment oilfield used high-strength corrosion-resistance G3 tubes, among which, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tube has obtained high-tech product certificate of the province.
At present, the company has obtained authorization for 7 patents for invention, and 8 patents for utility model.