Mild steel is a low carbon steel that is an economical option for fabrication due to its versatility and strength. Low carbon steel comes in both hot rolled or cold rolled form.
(+) Most cost-effective
(+) Most weldability
(+) Good ductility
(+/-) Very machinable, equally comparable to other materials
(+/-) Lower range of tensile/yield strength
Stainless steel is an alloy that has a silvery sheen with slight graining on its surface. Corrosion and heat resistance are the main reasons behind this material's popularity.
(+) Highest tensile/yield strength
(+) Very Ductile, comparable to copper
(+/-) Mid-range weldability
(+/-) Very machinable, equally comparable to other materials
(-) Least cost-effective
Aluminum alloys have an impressive range of properties, making them comparable to steel. Its light weight and ability to anodize has helped increase its popularity in today’s market.
(+/-) Very machinable, equally comparable to other materials
(-) Lowest tensile strength
(-) Lowest weldability
(-) Lowest ductility
(-) Not as cost-effective as other materials (except stainless steel)
Copper is beyond a doubt the most ductile material to work with. While copper manufacturing can be expensive or difficult for an inexperienced shop to work with, its conductivity and ductility are well worth it for the right project.
(+) Good weldability
(+) Great ductility
(-) Lowest machinability
(-) relatively not cost-effective (price drastically fluctuates)
(-) Low range tensile/yield strength
Structural metals are available in any material type and are becoming more commonly used in metal products. With forms like square tubing or square bars being ideal for stronger metal frames, it’s no wonder the popularity is growing.
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