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Beryllium Bronze Tubes and Pipes

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.
Products Inquiry

Product Details

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

Size: Diameter OD1.1mm~300mm×Wall Thickness 0.2mm~20mm ×Length2000mm~6000mm;

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

 

 

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