how to choose the correct workpiece material being cut saw blade

1, aluminum blade:
A generally used alloy saw blade, alloy saw blade itself when it must be done inlaid alloy head; if no inlay alloy is not a blade, while just steel, not a blade; cutting aluminum partakers fine cut or rough cut (usually cut the radiator is relatively high, as is sanding paper  generally used to cut aluminum is not very high.)
B cut aluminum alloy blades toothed gear selection Ladder (also known as the high and low gear, ladder flat teeth)
D. Aluminum is also useful for some guests to high speed hacksaw to cut. (Mainly to see the guests to use the machine is high-speed steel or aluminum machine machine)
E. Selection of alloy saw blade cut sheet generally used 100T or 120T teeth; cutting plate or for slotting saw blades can be used with fewer teeth (eg 40T, 60T, 80T)
Question:
1) The difference between the alloy and carbide Where? A: Actually this is not the same name of each person; still others called the overall alloy saw this really the same thing is not concrete grinding wheel  the same name.
2) I do not know why the basic need of high-speed hacksaw to cut aluminum sheet What is the reason? Answer: D mentioned above, because the machine is not used for the same.
Cut copper, iron, aluminum and stainless steel differences:
A, class materials are selected HSS film, when a customer calls the customer needs to know is: what used to cut material that is cut iron, aluminum, copper, or stainless steel.
B, customers can now use the saw blade is what material type? By cutting the workpiece is hollow or solid? Thickness much? And the kind of cutting machine (the machine key parameter is the number of revolutions), so we  masonry blades  are considering and provide information to customers purchasing recommendations (such as cutting, be sure to use stainless steel cutting blade to cut the special stainless steel, because stainless steel hardness than high.)
C, HSS film serrated teeth usually opened by the agents, (such as wholesalers can not provide open tooth, when the offer must be reported to not open the tooth and teeth to open price, in general, should be required to open the tooth plus $ 10 per piece with teeth Fee)