Seek help! Beryllium copper C17300 heat treatment

C17300 leaded beryllium copper alloy is a free-cutting beryllium copper alloy

C17300 Features:High strength, high electrical conductivity, high fatigue resistance, high wear resistance, non-magnetic.

Use of C17300:Probes, coaxial connectors, multipliers, high-precision instrumentation, military aerospace.

C17300 Key Specifications:C17300 seamless pipe, C17300 steel plate, C17300 round bar, C17300 ring, C17300 welded pipe, C17300 steel strip, C17300 straight bar, C17300 wire, C17300 round cake, C17300 flat bar, C17300 hexagonal bar, C17300 machining parts, C17300 microwire.

<>C17300 Beryllium Cobalt Copper Application: Medium strength and high conductivity parts, such as fuse fasteners, springs, connectors, resistance spot welding heads, seam welding rollers, die-casting machine dies, plastic molding molds, etc.

Application of C17300 Beryllium Cobalt Copper in Mold Manufacturing Industry: Beryllium Cobalt Copper C17300 is widely used in the manufacture of inserts and cores in injection molds or steel molds. When used as an insert in plastic molds, C17300 beryllium cobalt copper can effectively reduce the temperature of the heat concentration area, simplifying or eliminating the cooling channel design.

The excellent thermal conductivity of beryllium cobalt copper is about 3 4 times better than that of mold steel, which can ensure that the plastic products are cooled quickly and uniformly, reducing the deformation of the product, unclear shape details and similar defects, and in most cases can significantly shorten the production cycle of the product. Therefore, beryllium cobalt copper C17300 can be widely used in molds, cores and inserts that require fast and uniform cooling, especially the requirements of high thermal conductivity, corrosion resistance and good polishability.

Chemical composition: Ni+Co+Fe: Ni+Co: is equal to Be: PB:

First of all, we need to figure out what is the status of C17300 before aging? Secondly, according to this process and the uneven effect obtained, it can be seen that the upper temperature of the furnace temperature is high, and the uniformity of the furnace temperature is not very good.

To control this hardness range, the furnace temperature uniformity requirements are very high, the general furnace is difficult to guarantee, and the high temperature furnace, the temperature control in the low temperature area is generally not accurate, the low temperature furnace with a working range of about 300 degrees should be selected, and the temperature should be calibrated more!

C17300 Beryllium copper.

Standard: ASTM Year B Edition).

Features & Applications:

C17300 beryllium copper has the same properties and uses as C17200, with excellent cold working performance and good hot working performance, and is mainly used as diaphragm, diaphragm, bellows and spring. C17300 beryllium copper and has good cutting performance.

Chemical Composition: Copper + Prescribed Element Cu:

Nickel + Cobalt Ni+Co: where Ni + Co

Beryllium Be: Lead Pb:

Refer to the heat treatment of C17200 315 degrees for 2 hours, and the temperature is recommended to be controlled at 300 degrees plus or minus 5 degrees for 2 hours. In addition: the product should not be stacked too high, and it should be fully and evenly conducted.

<> Shanghai Bingzheng Industrial Beryllium Copper is a copper alloy with beryllium as the main alloying element, also known as beryllium bronze. It is a high-grade elastic material with the best performance in copper alloy, with a series of excellent physical, chemical and mechanical properties such as high strength, elasticity, hardness, fatigue strength, small elastic hysteresis, corrosion resistance, wear resistance, cold resistance, high conductivity, non-magnetism, impact and no sparks.

There are two types of processed beryllium bronze and cast beryllium bronze.

Commonly used cast beryllium bronze are, , , etc. The beryllium content of processed beryllium bronze is controlled below 2%, and nickel is added to domestic beryllium copper, or cobalt is added.

Commonly used processing beryllium bronze are: , etc.

Beryllium bronze is a heat-treated, strengthened alloy.

Processed beryllium bronze is mainly used as a variety of high-grade elastic components, especially various components that require good conductivity, corrosion resistance, wear resistance, cold resistance, and non-magnetism, and is widely used as diaphragm boxes, diaphragms, bellows, micro switches, etc.

Cast beryllium bronze is used in explosion-proof tools, various molds, bearings, bearings, bushings, gears and various electrodes.

The oxides and dust of beryllium are harmful to the human body, and attention should be paid to protection in production and use.

Beryllium copper is an alloy with good mechanical, physical and chemical comprehensive properties, after quenching and tempering, it has high strength, elasticity, wear resistance, fatigue resistance and heat resistance, at the same time, beryllium copper also has high electrical conductivity, thermal conductivity, cold resistance and non-magnetic, no spark when impacting, easy to weld and brazing, excellent corrosion resistance in the atmosphere, fresh water and seawater. Beryllium copper alloy corrosion resistance rate in seawater: (years.

Depth of corrosion: (years.) After corrosion, the strength and elongation do not change, so it can be maintained in seawater for more than 40 years, and it is an irreplaceable material for the structure of submarine cable repeaters.

In sulfuric acid medium: in sulfuric acid with a concentration of less than 80% (at room temperature), the annual corrosion depth is, and the corrosion is slightly accelerated if the concentration is greater than 80%.

Beryllium copper is a supersaturated solid solution copper-based alloy, is a non-ferrous alloy with good combination of mechanical properties, physical properties, chemical properties and corrosion resistance, after solid solution and aging treatment, it has the same high strength limit, elastic limit, yield limit and fatigue limit as special steel, and has high electrical conductivity, thermal conductivity, high hardness and wear resistance, high creep resistance and corrosion resistance, widely used in the manufacture of various types of mold inserts, replacing steel production precision and complex shape molds, welding electrode materials, Die-casting machine, injection molding machine punch, wear-resistant and corrosion-resistant work, etc. Beryllium copper strip is used in micro-motor brushes, mobile phones, batteries, and products, and is an indispensable and important industrial material for national economic construction.

C17200 beryllium copper, a full range of beryllium copper is known as the "king of non-ferrous metal elasticity" for all kinds of micromotor brushes, switches, relays, connectors that require high strength, high elasticity, high hardness and high wear resistance.

Beryllium copper alloy integrates excellent mechanical, physical and chemical properties, and after heat treatment (solution treatment and aging treatment), it has the same high strength limit, elastic limit, yield limit and fatigue resistance limit as special steel, and at the same time has high electrical conductivity, thermal conductivity, high hardness, corrosion resistance, wear resistance, good casting performance, non-magnetic and impact non-spark characteristics, and has been widely used in mold manufacturing, machinery, electronics and other industries.

No sand holes, well-balanced hardness, dense structure, high strength, good thermal conductivity, good electrical conductivity, corrosion resistance, excellent wear resistance, good processing performance, stable performance under high pressure conditions, non-magnetic, excellent polishing performance, good anti-adhesion performance.

Chemical Composition: Beryllium Cobalt Nickel Copper Cu: Balance Silicon Si: Fe: < Aluminum Al: < Comparison Standard: AISI C17200

Tensile strength (mpa): 1105

Specific gravity (g cm3).

Yield strength (: 1035

Softening temperature ( ) 930

Elongation (%)1

Modulus of elasticity (GPA): 128

Hardness (HRC): 38-44

Thermal conductivity (w: 105

Conductivity (IACS%): 18

Beryllium bronze grades:

1.China: QBE2,2United States (ASTM): C17200, C170003United States (CDA): CDA172, CDA1704Germany (DIN): QBE2,5Germany (Digital System), 6Japan: C1720, C1700

Tensile strength (mpa): 1105

Specific gravity (g cm3).

Yield strength (: 1035

Softening temperature ( ) 930

Elongation (%)1

Modulus of elasticity (GPA): 128

Hardness (HRC): 38-44

Thermal conductivity (w: 105

Conductivity (IACS%): 18

C17200 is a typical precipitation-strengthened copper alloy. In addition to high strength, elasticity, hardness, corrosion resistance, high and low temperature resistance, non-magnetic, no sparks during impact and other characteristics. C17200 has very good machinability and can be processed into complex shapes using various molding methods.

C17200 has high strength after quenching and tempering. Hardness. Elasticity.

Abrasion resistance. high fatigue limit and heat resistance; At the same time, it also has high electrical conductivity. Thermal conductivity and cold resistance, non-magnetic, no sparks on impact, easy to weld and fiber weld, in atmosphere.

Excellent corrosion resistance in both freshwater and seawater. C17200 Beryllium Copper Product Characteristics: High-performance copper alloy, after solution and aging hardening, with high hardness, high wear resistance, high yield and fatigue high limit, good corrosion resistance, high conductivity and excellent heat dissipation performance.

It is easy to process and has excellent cooling effect.

C17200 Chemical Composition:

Aluminum Al: Iron Fe:

Lead PB:Beryllium BE:

Nickel Ni: Silicon Si:

Copper cu: Margin.

Impurities titanium ti:

C17200 Physical Properties:

Density: Specific heat capacity:

C17200 Mechanical Properties:

Tensile Strength ( b mpa): 590-830

Elongation (δ10 %): 2

Note: Mechanical properties of the bar.

C17200 Chemical Properties:

C17200 has better oxidation resistance than copper. It has high chemical stability in the atmosphere, fresh water and seawater, small intergranular corrosion tendency, and can resist impact corrosion, and has good corrosion resistance in dilute acid and phosphoric acid and other media, but the corrosion rate is fast in moist ammonia, nitric acid and luoic acid solution.

C17200 Process Performance:

1. Forming performance: It has good hot formability, and can be hot-extruded, hot-rolled and forged. It has good cold workability, and can be cold rolled, stamped, bent, spinned, and hydroformed.

2. Soldering performance: It has good weldability, easy to braze and fusion welding, including soldering, resistance welding, plasma welding, electron beam welding and laser welding. Vacuum or high-pressure components are easy to weld with electron beams.

C17200 Cutting Performance:

Machinability 20%. Pre-aging or post-aging can improve its machinability.

C17200 is widely used in high-strength copper, with a tensile strength of 1400MPa and a hardness of about HRC45, which is the highest among commercial copper alloy processing materials. It is mainly used in various springs, metal hoses, clips, washer buckles, and aerospace navigation instruments.

C17200 Beryllium Bronze

C17200 Product Features:

a. High strength: high hardness, very excellent elastic material.

b. Heat resistance: good heat resistance, small stress relaxation, can be applied to thermostats, relays, sockets, etc., to improve the reliability of products.

c. High conductivity: the higher the conductivity, the better the heat dissipation, the lower the heat generation, suitable for the miniaturization of parts, high-current design components, etc., such as high-current connectors, oil drilling heads, mine tools, etc.

d. Fatigue resistance: the better the performance, the higher the tensile strength, and the longer the product life, but this has a lot to do with surface stress.

e. Processability: The smaller the r t value, the better the formability, which is related to the thickness, width and r angle value of the material.

f. Corrosion resistance.

C17200 Usage:

It can be used for all kinds of micro-motor brushes, relays, mobile phone batteries, springs, connectors, and spring sheets of temperature controllers that require high strength, high elasticity, high hardness, and high wear resistance.

C17200 Main Specifications:

C17200 seamless pipe, C17200 steel plate, C17200 round bar, C17200 ring, C17200 welded pipe, C17200 steel strip, C17200 straight bar, C17200 wire, C17200 round cake, C17200 flat bar, C17200 hexagonal bar, C17200 machining parts, C17200 microwire.

C17200 Beryllium Copper Chemical Composition: Beryllium Cobalt.

Nickel-copper cu: margin.

Silicon SI: <

Iron FE: <

Al: <

Comparison standard: AISI C17200

Beryllium bronze grades:

1.China: QBE2,2United States (ASTM): C17200, C170003United States (CDA): CDA172, CDA1704Germany (DIN): QBE2,5Germany (Digital System), 6Japan: C1720, C1700

Beryllium Cobalt-Nickel-Copper Cu: Margin.

Silicon SI: <

Iron FE: <

Al: <

Comparison standard: AISI C17200

ASTMB197 C17200 Beryllium Copper.

C17200 Chemical Composition (WT%)

beni+co

ni+co+fe

cu+be+ni+co+fe

Executive standard: ASTMB197 C17200

Main features: high strength, fatigue resistance, high electrical conductivity, wear resistance, non-magnetic.