Copper Forging

Copper forgings are a process to obtain forging products with certain mechanical properties, certain shape and size by applying pressure to brass billet by forging machinery and making it produce plastic deformation. Forging is one of the two components of forging and stamping. By forging, the defects such as loose in the casting state produced in the smelting process of brass can be eliminated, and the microstructure of brass can be optimized. At the same time, the mechanical properties of forged brass are generally better than the castings of the same material because the complete brass streamline is preserved.

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Grade list of copper and copper alloys by country
Classification	China	Germany	America	Japan	England	Europe	International
oxygen free copper	TU1	2.0076	C10200	C1020R	C103
	TU2	Cu-OF-H110	C11000	c1011	C101
	Vacuum oxygen free copper	E-Cu58	TU00	c1020	6N
	high purity	copper-OFE	c10500	c10700
Silver copper	TAg 0.1	CuAg 0.1	C10400	C1040		CuAg 0.1
brass	H90	CuZn10	C22000	C2200	CZ101	CuZn10	CW501L
	H70	CuZn30	C26000	C2600	CZ106	CuZn30	CW505L
	H68		C26200	C2620		CuZn33	CW506L
	H65	CuZn35	C27000	C2700	CZ107	CuZn36	CW507L
	H63	CuZn37	C27200	C2720	CZ108	CuZn37	CW508L
	H62	CuZn40	C28000	C2800	CZ109		CW509L
bronze	QSn4-0.3	CuSn4	C51100	C5111	PB101	CuSn4	CW450K
	QSn4-0.3	CuSn5	C51000	C5101		CuSn5	CW451K
	QSn6.5-0.1	CuSn6	C51900	C5191	PB103	CuSn6	CW452K
	QSn8-0.3	CuSn8	C52100	C5210		CuSn8	CW453K
	QSn6.5-0.4
copper-nickel	BZn18-18	CuNi18Zn20	C75200	C7521	NS106	CuNi18Zn20
	BZn18-26	CuNi18Zn27	C77000	C7701	NS107	CuNi18Zn27	CW410J
	BZn15-20		C7541		CW409J
	BZn18-10			C7350
pure copper	TU2	OF-Cu58	C10100	C1011	C101	CW008A	copper oxide
	T2	SW——copper	C11000	C1100	C101		copper - FRHC
	TP2	SF-Cu	C12200	C1220	C106	CW024A	copper - DHP
	TP1	SW-copper	C12000	C1201		CW023A	copper DLP

Red Copper
As a copper material with high content, red copper has better stability, corrosion resistance and oxidation resistance, and excellent electrical conductivity compared with brass, bronze, zinc and copper. It is one of the ideal materials for copper bar profiles.

Copper Electrode
Good plasticity, machining forming, forging forming, electroforming forming and wire cutting forming, fine texture, good processing stability, relatively small electrode loss, wide adaptability.

Mould Copper
The main material of die copper waste is copper, which is a metal material of alloy. The ductility of alloy copper used in die casting die is low, the linear expansion coefficient is small, and the mold made of it is stable in performance and specification. Mold cavity selection of investment casting, aluminum die casting or hot forging and other forming process, short manufacturing cycle, low cost. Used in die casting moulds.

1. Wide range of weight. Forgings range from a few grams to hundreds of tons.

2. Higher quality than castings. The mechanical properties of forgings are better than those of castings, which can withstand large impact force and other heavy loads. Therefore, some important parts with large forces are used for forgings.

3. The lightest. On the premise of ensuring the design strength, the weight of the forgings is lighter than that of the castings, which reduces the weight of the machine itself, which is of great significance to the vehicles, aircraft, vehicles and airborne lifting equipment.

4. Save materials. For example, when the crankshaft with a static weight of 17kg is used in the car, the chip takes up 189% of the weight of the crankshaft when the rolling cutting forging is adopted, while the chip takes up only 30% when the die forging is adopted, and the machining time is shortened by 1/6.

5. High productivity. For example, 30 automatic cutting machines can be replaced by two hot die forging press die forging radial thrust bearings. The productivity of 6-axis automatic lathe is 17.5 times of M24 nut production by using push forging automaton.

6. Free forging is flexible, so it is widely used in some repair factories to produce various accessories.