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Beryllium Bronze Plate

A No Tin bronze with beryllium as the main alloy component. It contains 1.7-2.5% beryllium and a small amount of nickel, chromium, titanium and other elements. After quenching and aging treatment, the strength limit can reach 1250-1500MPa, which is close to the level of medium-strength steel. In the quenched state, it has good plasticity and can be processed into various semi-finished products. Beryllium bronze has high hardness, elastic limit, fatigue limit and wear resistance. It also has good corrosion resistance, thermal conductivity and electrical conductivity. It does not produce sparks when impacted. It is widely used as important elastic components and wear-resistant parts. And explosion-proof tools, etc.

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Product Details

Hard Condition: M (soft state), Y2 (1/2 hard), Y (hard);

Size: Thickness0.5mm~80mm×Width10mm~1200mm×Length2000mm~mm;

Grade comparison table

China	Russia	USA	British	France	Germany	Japan
QBe2	БPБHT2	C17200 C17300		CuBe2	CuBe2	C1720
QBe1.7	БPБHT1-7	C17000	CB101	CuBe1.7	CuBe1.7	C1700
QBe1.9	БPБHT1-9	C17200		CuBe1.9

Chemical composition table

	Alloy Grade	Al	Be	Si	Ni	Fe	Pb	Ti	Cu	Total impurities
High-strength beryllium bronze	QB2	0.15	1.80-2.1	0.15	0.2-0.5	0.15	0.005		Balance	0.5
	QBe1.7	0.15	1.6-1.85	0.15	0.2-0.4	0.15	0.005	0.1-0.25	Balance	0.5
	QBe1.9	0.15	1.85-2.1	0.15	0.2-0.4	0.15	0.005	0.1-0.25	Balance	0.5

Grades, characteristics and applications;

Alloy Grade	Main features	Application examples
QB2	Widely used high-strength processed beryllium bronze, the highest tensile strength can exceed 1400MPa, and the hardness is about Rockwell hardness HRC45, which is the highest among commercial copper-based alloy processing materials	For aerospace navigation instruments, non-sparking tools
QB1.7	It has good thermoformability, can be hot-extruded, hot-rolled and forged, and has superplasticity at 530-550℃	Firing pins, bushes, valve pumps, shafts, mechanical parts, etc.
QB1.9	Similar to alloy QBe2 in chemical composition, the difference is that a small amount of Ti (0.1%-0.25%) is added on this basis, which can refine the as-cast, hot-worked and solution-treated grains and hinder discontinuity Precipitation, which covers the uniformity of the alloy structure, improves the fatigue strength, and makes the alloy have good elasticity and small elastic hysteresis after aging treatment	Various springs, clips, washers, buckles

Beryllium Bronze Plate

Product Details

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