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How to Choose a Solder
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From All-Spec Industries
The first step in choosing a solder is to decide what metals are going to be bonded, because the type of metal used will greatly influence the type of solder used. Soft solders are often used with copper, tin and brass. These solders have a low melting point and are made of tin (Sn) and lead (Pb). Soft solders also come in different proportions of tin and lead. Common ratios are 60/40, 50/50 and 63/37. The first number is always the amount of tin in the solder. Lead-free solder is another variety of solder that is becoming more popular. Electronics products that contain lead (as well as other hazardous materials) are banned from the European Union as part of the Restriction of Hazardous Substances (RoHS). Lead-free solder may contain many metals including silver, copper, tin, bismuth, indium, zinc and antimony. Hard solders have a high melting point and are usually made with a high proportion of the metal being soldered. Also, lead is not used in hard soldering. Hard soldering is often used for jewelry making. Because of the high melting point, a hand held torch is usually used in place of a soldering iron. Products & Services
Solders include low melting point metal alloys usually in wire, powder, preform or paste forms. Solders are metal alloys with low melting points that are used to join metals together.
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Welding alloys are used to melt and fuse pieces of metal together.
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Welders and welding machines include all manner of devices used for welding, brazing and soldering.
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Filler metal alloys and consumables used in welding, brazing or soldering include items in rod sheet, wire spool, coated stick, weld stud, powder, preform or paste forms.
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Industrial workbenches and industrial workstations are locations where personnel perform work. Products range from economy workbenches to cleanroom and electronic assembly benches.
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Topics of Interest
5.4.1 Electric Actuators
Electric motors installed on process valves were one of the first types of actuators used in the process industry. Such electric actuators have been used since the 1920s,...
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An actuator is the mechanism by which an agent acts upon an environment. The agent can be either an artificial intelligent agent or any other autonomous being.
The common forms of actuators are...
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The chief advantage of diaphragm actuators is that they are relatively inexpensive to produce and are commonly seen through the entire process industry. Although limited in high-thrust requirements,...
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A control valve actuator is a fluid or electrically powered device that supplies the required force to position a valve shaft or stem.
Distinct from an isolation valve actuator, a control valve...
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Appendix E: Valve Glossary
There are a variety of terms used in the valve industry and the purpose of this appendix is to assist the reader. This valve glossary is a list of definitions, describing...
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