Tin Plating
Tin plating provides a low contact-resistance surface, to protect against corrosion, to facilitate soldering and provides anti-galling properties. Tin plating has applications in a large variety of copper products including busbars, electrical terminals, battery connectors or any other copper component used in the passing of current.
We offer matte as well as bright tin plating by using jigs, barrel method to produce either full or selective plated parts. Our tin plating meet a wide range of industry standard, some of which include MIL-T-10727C and ASTM B545.
Tin Plating Specifications
MIL-T-10727C
Type I | Thickness | Comments |
.0001″-.00025″ | For contacts and bus bars. | |
.0002″-.0004″ | Flash for soldering. | |
.0003″ min. | To prevent galling and seizing. | |
.0002-.0006″ | Where corrosion resistance is important. |
ASTM B545
Class | Minimum Thickness | Typical Application |
A | 2.5 μm – 0.0001” | Electrical Contact (Not to be soldered) |
B | 5.0 μm – 0.0002” | For mild service conditions To facilitate Soldering |
C | 8.0 μm – 0.00031″ 10 μm – .00039 for steel substrate | Electrical Hardware, Frames, Chassis |
D | 15 μm – 0.00059″
20 μm – .00078 for steel substrate | Electrical connectors for severe services, automotive accessories |
E | 30 μm – 0.00118″ | Very severe conditions, high temperatures, abrasion and corrosive atmospheres or gases. |
