Phosphor Bronze Tube

Product Details

Product Description

The phosphor bronze tube has excellent soldering and brazing characteristics combined with good strength properties for a copper alloy. EO phosphor bronze tube also has a very attractive silver appearance due to the relatively high nickel content.

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Product Data

Grade Chart
China	Russia	United States	United Kingdom	France	Germany	Japan
QBe2	БPБHT2	C17200 C17300		CuBe2	CuBe2	C1720
QBe1.9	БPБHT1-9	C17200		CuBe1.9
QBe1.7	БPБHT1-7	C17000	CB101	CuBe1.7	CuBe1.7	C1700

Chemical Composition
Type	Alloy	Al	Be	Si	Ni	Fe	Pb	Ti	Mg	Co	Ag	Cu	Impurities
High-strength beryllium bronze	QB2	0.15	1.80-2.1	0.15	0.2-0.5	0.15	0.005					Rest	0.5
	QBe1.9	0.15	1.85-2.1	0.15	0.2-0.4	0.15	0.005	0.1-0.25				Rest	0.5
	QBe1.9-0.1	0.15	1.85-2.1	0.15	0.2-0.4	0.15	0.005	0.1-0.25	0.07-0.13			Rest	0.5
	QBe1.7	0.15	1.6-1.85	0.15	0.2-0.4	0.15	0.005	0.1-0.25				Rest	0.5
High-conductivity beryllium bronze	QBe0.6-2.5	0.20	0.4-0.7	0.20		0.10				2.4-2.7		Rest
	QBe0.4-1.8	0.20	0.20-0.6	0.20	1.4-2.2	0.10				0.3		Rest
	QBe0.3-1.5	0.20	0.25-0.5	0.20		0.10				1.4-1.7	0.9-1.1	Rest

Performance	Alloy
	BFe30-1-1 Iron white copper
Liquid point /℃	1231.7
Solid point /℃	1171.6
Specific heat capacity /J·（kg·K）-1
20-100℃Linear expansion coefficient /℃-1	16x10-6
Thermal conductivity（20℃）/W·（m·K）-1	37.3
Density /kg·m-3	8900
Resistivity（20℃）/μΩ·m	420
Resistance temperature coefficient /℃-1	20.012
Elastic Modulus /GPa	154

Product Application

Phosphor bronze is used for springs, bolts, and various other items used in situations where resistance to fatigue, wear, and chemical corrosion are required (e.g., a ship's propellers in a marine environment). The alloy is also used in some dental bridges.