There are lots of sorts of pipes available for pipefitting trades. I've worked with them all. As you might think that you have seen one kind of pipe, think again. Incorrect pipes installed at the incorrect location can cause financial and structural disaster.
This type of pipe is available in various wall thicknesses, called"schedules". The normal thickness for black steel pipe is 40, which will be more than steel to permit machine threading. You can contact a reputable firm to get the best and affordable pipefitters services in CA.
In the past several years, the high cost of steel has given rise to some thin schedule pipe that is less expensive to manufacture but nevertheless permits machine threading. While thin timetable piping can save considerably on material costs (especially when installing a new system in a tall building or an equally large structure), there have been cases when thinner piping machines could not handle threading.
Most contractors (and installers) prefer to use the schedule 40 pipe, even though it's more expensive to purchase. Reduced schedule (thinner) piping is perfectly fine for machine-grooved setups that need the use of mechanical couplings.
PVC vinyl – the most frequent piping used for drain lines indoors and outside. This type of piping is easy to work with and apparently can survive forever. When used on supply lines, additional care has to be taken during installation because PVC joints are proven to fail during prolonged usage under pressure.
CPVC is significantly more affordable than buying and installing copper piping. When working inside, CPVC is the easiest piping to operate with. But, not all cities have adopted CPVC for residential usage. Check with the local planning department to find out if this kind of piping is qualified for use in your city.