There are multiple ways to cut steel and multiple technologies and processes to coincide with them. Determining the most appropriate method to a set type of steel can be difficult. Some methods are fast, some take time. Some are designed for thick steel; some can cut razor-thin steel with the perfect precision. The following guidelines will assist in determining the best method for the most accurate and desirable cut. http://www.shapecut.com.au/blog/how-to-select-the-best-method-for-cutting-steel/

1. HOW TO SELECT THE BEST
METHOD FOR CUTTING STEEL
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August 2017 ShapeCUT HOW TO SELECT THE BEST METHOD FOR CUTTING STEEL
ANALYSE THE
THICKNESS OF THE STEEL
Plasma cutting is usually the most accurate method for steel
fabrication. If heat is not desired (used with oxyfuel, plasma and
laser) the waterjet method is an ideal option.
There are multiple ways to cut steel and determining the most appropriate
method to a set type of steel can be difficult. Some are designed for thick
steel; some can cut razor-thin steel with the perfect precision.
S T E P O N E
DETERMINE THE DESIRED EDGE
QUALITY AND ACCURACY
S T E P T W O
COST ANALYSIS
S T E P T H R E E
Waterjet steel cutting is often the most expensive form of steel
cutting. Oxyfuel is usually the most cost-effective.
Using multiple plasma torches (common in laser or plasma cutting)
can cost more, whereas waterjet cutting can run multiple nozzles
from one intensifier pump, which allows the quote is finalised
prior to starting the job.
Laser cutting is perfect for steel that is thinner than 0.080”
Laser or plasma cutting is suitable for steel thinner than 0.125”
Laser, plasma or waterjet methods will suit steel that is
thinner than 0.250”
Oxyfuel will cut anything over 8” with perfect precision
Oxyfuel or waterjet cutting is adequate for steel thicker than 2”
MULTI PROCESS METHODS
O T H E R O P T I O N S
Some complex steel cuts require multi-process methods of cutting.
Plasma and waterjet cutting are often used together as are
waterjet steel cutting coinciding with oxyfuel cutting.
Multi-process cutting allows for accurate and slower precision for
intricate contours and can achieve a quick, cost effective,
and productive result.