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Common raw materials of the excavator segment bolt

hits:1648    date:2015-10-17

  As general, production manufacturers always choose the carbon steel materials to produce the excavator segment bolt products, such as the common Q215, Q235, No 25 and No 45 steel materials, to some special working condition needs, which need the important or the special uses thread connection method, production manufacturers also can use the 40CR,20CR and 15CR materials to produce the excavator segment bolt, the common character of these raw materials is that they all belongs to the high mechanical property alloy steel raw materials.

  According to the different uses, production manufacturer also can use the stainless steel to produce the excavator segment bolt, for example, if we find the head marking of the excavator segment bolt is A2-70, then we can confirm the raw material of this excavator segment bolt is 304 stainless steel material, and the strength grade is about 70. And the A4 head marking means the excavator segment bolt is makes up by 316 stainless steel.
 

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