4343/3003 Aluminum Alloy Brazing Strip Coil

• Application: Air Cooling Fin
• Certification: ISO9001, ASTM, GB
• Technique: Hot Rolled/Cast Rolled
• Grade: 3000 Series 4000 Series
• Temper: O/H14
• Surface Treatment: Mill Finish
• Model NO.: 4343/3003
• Alloy: Alloy
• Transport Package: Export Standard Wooden Pallet
• Specification: According to Customer Requirement
• Trademark: Chalco Aluminum
• Origin: Henan China
• HS Code: 7606119000
• Production Capacity: 10000mt/Month

Product Description

4343/3003 aluminum strip coil for Air Cooling Fin

3003 aluminum strip coil foil for Charge Air cooler

Of all the methods available for metal joining, brazing may be the most versatile. Brazed joints have great tensile strength - they are often stronger than the two metals being bonded together. Brazed joints repel gas and liquid, withstand vibration and shock and are unaffected by normal changes in temperature. Because the metals being joined are not themselves melted, they are not warped or otherwise distorted and retain their original metallurgical characteristics.

*Various kinds of specification for fin

*Excellent collapse resistance during brazing
 

Performance index of charge air cooler fin material
Alloy	Temper	Thickness (mm)	Tolerance (mm)	Clad rate(%)	Mechanical property
					Tensile Strength (MPa)	Yield Strength (MPa)		Elongation Min.(%)
4343/3003/4343	H14	0.1~0.12	±0.005	8~12	150~200	≥120	1
4345/3003/4345	H14	0.1~0.12	±0.005	8~12	150~200	≥120	1
3003	H14	0.08~0.12	±0.005	None	150~200	≥120	1
*4343 can be replaced by 4045/4047/4104/4004etc, according to customer's requirement. *Alloy,specification and mechanical property can be customized according to different requirement.

Method of brazing:
The step by step procedure for brazing is as follows:
1.The metal parts which are to be brazed must be thoroughly cleaned.
2.The flux must be applied to the surface.  
3.The parts are to be clamped in the required position.
4. The flux ha to be applied on the surfaces.  
5.The job has to be heated using the blow torch or the furnace etc.
6. The molten spelter has to be allowed to flow by capillary action into the joint.  
7.The job has to be allowed to cool slowly.

*Perfect brazing feature, fit for any furnace    

*Good consistency for any fin mill

*Excellent collapse resistance during brazing

 

Performance index of air cooling fin materials
Alloy	Thickness(mm)	Tolerance(mm)	Clad rate (%)
4343/3003	0.25-8.3	±0.007	13~17
4343/SA-7/4343	0.25-8.3	±0.007	13~17
*OD: 1800max; *Width tolerance:±0.02mm;  *Alloy,specification and mechanical property can be customized according to different requirement.