PC Strand - Post Tesnion - Beta trading & Technical.

PC Strand (Pre-Stressed Concrete’s Strands)
are formed with seven steel wires. 

For more information, please visit our website.

one central wire called a core or
king wire around which the other six are wrapped.

They are generally supplied already stabilized
(low relaxation) and certified according to
the regulations by an independent laboratory,
in coils weighing kg -.

All strand should be Grade MPa.
Low relaxation, seven-wire strand
conforming to the requirements
of ASTM A416 or BS-
“Standard Specification for Steel Strand,
Un-coated Seven Wire Strand for Pre-Stressed Concrete.

Strands is most commonly available
in two nominal sizes. – 12.7mm (0.5in) diameter
& 15.24mm (0.6in) diameter according to ASTM A416.

– 15.7mm (0.6in) diameter according to BS-.
Strands may also be greased or waxed strands,
encased in a HDPE sheath.

Hello. I'm making a purchase online for a project I'm planning, that will include Nano, 2 relays, 2, transistors, 4 diodes, 2 push buttons, and IR sensor and a motor. Maybe a few more stuff but that's generally. I'm planning solder all the stuff to a soldering board, and I was wondering which type of wire is better for circuit boards- regular-flexible or the harder-sturdier type? in both of them I was going for 22-24 AWG.
Thanks.

I think you will get many answers to this question.
I'm an amateur compared to many here but I prefer solid core bread board wires because you can bend the leads to hold them in place, route them easily, and I believe the lowered surface area of the solid core helps to minimize capacitance issues within the wire.

This is a long thread, but it has so much good info in it and an index:
Share tips you have come across - Using Arduino / General Electronics - Arduino Forum

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True enough but ...

The primary consideration is - will these wires be moved?

Solid (single) core wire is used for connections that will never be moved - apart from the construction cycle. That may be a wire from one point to another on the same PCB.

Single core wire is used for cabling and house wiring - though the ground wire is often multi-strand. These get moved for re-wiring very occasionally so are unlikely to break from repeated bending (and the termination point is often considered to be expendable ). Nevertheless even there the use of multi-strand wire for a ground wire is specifically to ensure that it is far less likely to break from re-work (or indeed, any other reason) as it it critical to safety.

Wires from one part of your assembly to another generally should be multi-strand as they tend to be moved around quite a surprising amount as you assemble and re-work it. But they are more difficult to solder and the attachment point where they are stiffened by the solder tends to be a stress point and needs to be carefully managed - that is a contentious issue.

For your application of soldering onto protoboard PCB, sold wire is by far the cheapest and most convenient way to go. You can buy solid breadboard jumper wire packs that are cut and stripped ready to use in breadboard or solder easily into protoboard PCB. Use some needle nose pliers to bend these at right angles to route them neatly around your PCB and color code them for the different signal types for a professional looking prototype. For example; red for V+, black for GND, blue for digital, etc.

In more complex applications there are things such as frequency response and current carrying capability you should consider when choosing wire types but they don't seem to apply in this specific case. I think the biggest concern for you is price and ease of use.

If you need to make off PCB connections use a PCB screw header and switch to stranded wire to allow you the flexibility to route wires without them breaking.

Here is an example of a jumper wire pack that are really useful:

For more information, please visit PC Strand Wire(de,fr,es).