The bi-metal band saw blade mainly refers to the high-speed steel or other high-performance steel material, and the saw band material is a metal cutting band saw blade of low-alloy spring steel.
The material of the bi-metal band saw blade is mainly made up of two kinds of metals, such as a self-lubricating steel sleeve and a back, which are connected by an electron beam (or laser) welding oil-free bearing factory. Band saw blade tooth material: In the initial period, the bimetal band saw blade material is M2 and M4. Because its hardness is too low, it is gradually eliminated. Nowadays, the common tooth material on the market is generally M42. Alloy steel is the main one, and there is also a high-tungsten-cobalt alloy tool steel. The more advanced material is the tooth material and M51.
Band saw blade back material: Due to the different standards of bimetal bearings in the world, the grades of the materials are different, mainly divided into: X32, B318, RM80, B313, D6A, 505 and so on. But these are all part of the 46CrNiMoVA material series. The material of the band saw blade has high hardness, high wear resistance, high red hardness (the ability to maintain its hardness regardless of the high temperature environment), etc. The band saw blade M42 tooth material contains cobalt component up to 8 Above %, it is an ideal alloy high speed steel material. The back material has very good fatigue resistance.
Bi-metal band saw blade is widely used: The main purpose of bi-metal band saw blade is to cut ordinary ferrous metals, such as cast iron, cast steel, rolled round steel, square steel, pipe and section steel. It can also be used to cut alloy tool steel and alloy structure. Hard, sticky metal such as steel, die steel, bearing steel, stainless steel; can also cut non-ferrous metals such as copper and aluminum. If you want to choose a suitable and reasonable tooth shape (jumping tooth), it can be used to cut frozen fish, frozen meat, and hard frozen materials. After some special processing, the larger metal tooth saw blade is also widely used for cutting redwood and elm. Hard and precious wood such as iron pear wood.
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