What are the common materials for cold heading bolts/cold heading nuts?

#Non-standard precision machining #Turned machining parts

#Non-standard precision machining #Turned machining parts

1. Carbon steel 

such as Q235, 45 steel and so on. Carbon steel has good strength and toughness, relatively low cost, widely used in general mechanical connections. 2.

2. Alloy steel

such as 40Cr, 35CrMo and so on. Alloy steel has higher strength and abrasion resistance, suitable for occasions with high requirements for strength and fatigue resistance. 3.

3. Stainless steel

common 304, 316 and so on. Stainless steel has good corrosion resistance and is suitable for use in wet, corrosive environments.

4. Copper and copper alloy

such as brass, bronze, etc.. With good electrical and thermal conductivity, commonly used in the electrical field.

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