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Standard Tolerance Beryllium Copper Strips C1720R 0.35mmt X 38mmw

  • Standard Tolerance Beryllium Copper Strips C1720R 0.35mmt X 38mmw
  • Standard Tolerance Beryllium Copper Strips C1720R 0.35mmt X 38mmw
Place of Origin China
Brand Name CUBERYLLIUM®
Certification ISO,SGS
Model Number C1720R
Minimum Order Quantity 50
Price 30USD
Packaging Details Coil+plywood case
Delivery Time 10~15days
Payment Terms L/C, T/T, Western Union
Supply Ability 200T/Month

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Product Details
Name Beryllium Copper Strips Max Coil Wt. 2T
Thinnest Thick. 0.35mm Width 38mm
Standard ASTM B194, SAE J463, J461 Hardness 260~310HV
Safe Handling No Special Health Risk. Machining Property Good
Surface Bright/Polished Flatness Good
Temper 1/2H
High Light

Bright Beryllium Copper Strips

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2T Beryllium Copper Strips

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Strips C17200 Beryllium Copper
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Product Description

Beryllium Copper Strips C1720R-1/2H Size 0.35mmt x 38mmw with Standard Tolerance

Product Normal Description:

 

Product Name Beryllium copper strips
Grade C1720R
End Product Form in form strip
Standard ASTM B194
State of product 1/2H
Specification

Thickness: 0.35mm

Width: 38mm
Application Electrical industry

 

Introduction of Beryllium Copper Alloy C1720:

Standards: ASTM B196, AMS 4533, SAE J461, RWMA CLASS IV, CuBe2 2.1247

C17200 is also known as Alloy 25 and is the most commonly utilized beryllium copper alloy and is notable for exhibiting the highest strength and hardness compared to commercial copper alloys. Its strength and hardness is similar to that of steel. C17200 copper's ultimate tensile and Rockwell hardness properties in a peak aged condition are in the 200 ksi range and RC 45 respectively (electrical conductivity 22% IACS minimum).

 

Chemical Composition of Beryllium Copper Alloy C1720:

Numbering Be Co+Ni Cu Fe Pb Si Al
C17200 1.8-2.0 ≥0.2 Margin 0.15 - 0.15 0.15

 

Tipical Application of Beryllium Copper Alloy C1720:

ELECTRICAL:
Electrical Switch / Relay Blades Fuse Clips Switch Parts
Relay Parts Connectors Spring Connectors
Current Carrying Contact Bridges Belleville Washers
Navigational Instruments Clips  
FASTENERS:
Washers Fasteners Lock Washers
Retaining Rings Roll Pins Screws
Bolts    
INDUSTRIAL:
Pumps Springs Electrochemical
Shafts Non Sparking Safety Tools Flexible Metal Hose
Housings for Instruments Bearings Bushings
Valve Seats Valve Stems Diaphragms
Springs Welding Equipment Rolling Mill Parts
Spline Shafts Pump Parts Valves
Bourdon Tubes Wear Plates on Heavy Equipment Bellows
ORDINANCE:
Firing Pins    
OTHER:
Tools

Standard Tolerance of Beryllium Copper Alloy C1720:

Tolerance Sheet
(MM)
Strip
Thickness		 CuBeryllium®
Standard Tolerance
over incl. plus or minus
0.03 0.08 0.003
0.08 0.1 0.004
0.1 0.15 0.005
0.15 0.2 0.006
0.2 0.25 0.007
0.25 0.4 0.008
0.4 0.55 0.009
0.55 0.7 0.01
0.7 0.9 0.015
0.9 1.5 0.025
Note: Tolerances apply to rolled and mill hardened strip.

 

Product Photo of Beryllium Copper Alloy C1720R:

Standard Tolerance Beryllium Copper Strips C1720R 0.35mmt X 38mmw 0

 

 

Key Technology of Beryllium Copper(Heat treatment)

Age Hardening

Age hardening significantly enhances the material’s strength. This reaction is generally carried out at temperatures between 260°C and 540°C depending on alloy and desired characteristics. This cycle causes the dissolved beryllium to precipitate as a beryllium rich (gamma) phase in the matrix and at the grain boundaries. It is the formation of this precipitate which causes the large increase in material strength. The level of mechanical properties attained is determined by the temperature and time at temperature. It should be recognized that beryllium copper has no room temperature aging characteristics.

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