SMLease Design

Mechanical Product Design & Development Partner

Blog posts : "material selection"

Sheet Metal Materials

Various types of materials are available for the manufacturing of sheet metals parts. Selection of type of material and grade is done depending on required strength, corrosion resistance, assembly process  and overall cost. 

You can contact us for any kind of mechanical design services and for any support in selection of material for your sheet metal product.


CRCA (Cold Rolled close annealed Steel Sheets)

  • After hot rolling and pickling, the steel is cold rolled to a reduced thickness (which makes it brittle and not too useful), which is then followed by annealing in a closed atmosphere of nitrogen or other non-oxidizing gases (which softens it back up while protecting it from oxidation).
  • CRCA steel is highly prone to rusting. Oil is applied after the annealing,…

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Plastic Material Selection Guidelines - SMLease Design

Selection of plastic material for any specific application is a very complicated task. In the initial phase of plastic part design complete requirements for product application, physical properties and the environment conditions need to be identified to avoid any design failure. Complete Product requirements affects part design and material selection.

Today we will discuss about the considerations need to be looked at before the selection of plastic material. Feel free to Contact Us for any support related to material selection for Injection moulding part Plastic Enclosure Design Services

Mechanical Loads

All types of loads that plastic part will encounter during its complete lifecycle need to be considered

Part Design

Part structure, thickness and size also affects s…

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Hot Rolled Vs Cold Rolled Steel - SMLease Design

Manufacturing Temperature

Process of hot rolling involves rolling steel at a temp above recrystallization temp. During the cooling process steel will shrink and the size and shape of the steel will be less predictable. While cold rolling involves at a temp below recrystallization temp (at around room temp). So there is no chance of steel shrinkage

Manufacturing Cost

Hot rolled steel is cheaper to manufacture as compared with cold rolled steel.


Yield and tensile strength of Cold rolled steel will be higher than hot rolled which makes cold rolled less likely to fracture under pressure

Sheet Quality & Finish

Cold Rolled steel will have closed thickness profile and good surface texture & flatness compared with Hot Rolled Steel. Cold rolled has a smooth and s…

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