C19400 copper strip is copper-iron-phosphorus alloy, it has good electrical and thermal conductivity, as well as high strength and hardness, high internal softening temperature resistance, corrosion resistance, stress corrosion resistance, etc. The strip has high precision, good plate shape, and no residual stress.

C17500/C17510 offers a combination of high electrical and thermal conductivity with good strength compared to most copper based alloys. C17500 alloy is the mirror image of alloy C17510 in terms of its properties and characteristics. The beryllium copper differ in that C175 specifies a cobalt alloying addition (2.40-2.70%) and alloy 17510 specifies a nickel alloying addition (1.40-2.20%), but their performance are the same.

Typical Uses for C17200 Beryllium Copper:

Sizes Available From NBM

SOLID BAR: 1/4″ . 6″ diameter

RECTANGLES: 3/8″ x 1/2″ . 1″ x 3″ thickness x width

SQUARES: 3/8″ . 3″ square

PLATES: 2″ . 5″ thickness

DISCS & RINGS: orged to size

HONED TUBES: up to 4″ OD

Specifications

Alloy 25 c17200 CuBe2 beryllium copper

C17200 CuBe2 beryllium copper

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 .

Physical properties

Mechanical Properties

Chemical composition

Typical application for C17200 beryllium copper alloys:
Electrical industry: Electrical Switch and relay blades, fuse clips, switch parts, relay parts, connectors, spring connectors, 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, mining parts
Available sizes:
Custom diameter & sizes, random mill lengths
Available products (forms):
Round tube, pipes, hollow bars
Custom shapes are available upon request.
B). 
CuBe2 – C17200 (Alloy 25) Beryllium Copper Tubes
Chemical Composition:
Be: 1.85-2.10%
Co+Ni: 0.20% Min.
Co+Ni+Fe: 0.60% Max.
Cu: Balance
Note: Copper plus additions equal 99.5% minimum.
C).
CuBe2 – C17200 (Alloy 25) beryllium copper tubes
Typical physical properties:
Density (g/cm3): 8.36
Density before age hardening (g/cm3): 8.25
Elastic modulus (kg/mm2 (103)): 13.40
Thermal expansion Coefficient (20 °C to 200 °C m/m/°C): 17 x 10-6
Thermal conductivity (cal/(cm-s-°C)): 0.25
Melting range (°C): 870-980
Note: 
1). the units are based upon Metric.
2). the typical physical properties apply to age hardened products.
D).
CuBe2 – C17200 (Alloy 25) Beryllium Copper Alloys
International Specification
Pipes/Tubes: ASTM B196,251,463; SAE J461,463; AMS 4533,4534,4535; AMS4650,4651;
RWMA Class 4
European standards: CuBe2, Alloy 25, QBe2, BrB2, DIN 2.1247, CW101C to EN

Material Grade

Product Specification

Chemical Composition

We wrap the stainless steel products with anti-rust paper and steel rings to prevent damage.

 Identification labels are tagged accordingto standard specification or customer’s instructions. 

Special packing is available as per customer’s requirement.

Stainless Steel Coil Package

Stainless Steel Sheet / Stainless Steel Plate Package

Stainless Steel Strip Package

Shipment Package

Our company is based in Wuxi,  gathering city of industrial stainless steel in China.

We specialized in stainless coils, sheets and plate, stainless steel pipe and fittings, stainless steel tubes, and also aluminum products and copper products.

Our products have been highly praised by our clients from Europe, America, the Middle East, African and Southeast Asia. We will offer competitive products and comprehensive service to customers. 

Stainless Steel Grade: 201, 202, 202cu, 204, 204cu, 303, 304, 304L, 308, 308L, 309, 309s, 310, 310s, 316, 316L, 321, 347, 410, 416, 420, 430, 430F, 440, 440c,

Alloy Grade :Monel, Inconel, Hastolley, Duplex, Super Duplex, Titanium, Tantalum, High Speed Steel, Mild Steel, Aluminium, Alloy Steel, Carbon Steel, Special Nickel Alloys

In form of : Round Bars, Square Bars, Hexagonal Bars, Flat Bars, Angles, Channels, Profiles, Wires, Wire Rods, Sheets, Plates, Seamless Pipes, ERW Pipes, Flanges, Fittings,etc.

Q1: What is stainless?

A: Stainless means no marks on the steel surface, or a kind of steel that is not damaged by air or water and that does not change color, spotless, resistant to staining, rusting, the corrosive effect of chemicals.

Q2: Does stainless mean no rusting?

A: No, stainless means not easy to get stained or rusty, it has speical ability to reisist staining, rusting and corrosion.

Q3: Do you supply stainless steel sheets?

A: Yes, we supply different types of stainless steel sheets, with thickness ranges from 0.3-3.0mm. and in different finishes.

Q4: Do you accept cut to length service?

A: Of course, customer’s satisfaction is our top priority.

Q5: If i have a small order, do you accept small order?

A: Not a problem, your concern is our concern, small quantities are accepted.

Q6: How can you guarantee your product quality?

A: First, from the very start, we have already implemented a spirit to their mind, that is quality is life, our professional workers and staffs will follow up every step till the goods packed well and shipped out.

Q7: Will you pack the products?

A: Professional people do professional packing, we have different types of packing optional to customers, economic one or better one.

Q8: What do you need to know from customer before accurate quotation?

A: For an accurate quotation, we need to know grade, thickness, size, surface finish, color and quantity of your order, and also the destination of the goods. Customized product information will be needed more, like drawing, layout and plan. Then we will offer competitive quotation with the above information.

Q9: What kind of payment term you accpet?

A: We accept T/T, West union, L/C.

Q10: If this is a small order, will you delivery the goods to our agent?

A: Yes, we are born to solve problems of our customers, we will get the goods safely to your agent’s warehouse and send you the pictures.

Q11: Do you just make flat sheet? I want to make a fabrication for my new project.

A:  No, we mainly produce stainless steel flat sheet surface treatment, at the same time, we manufacture customized metal finished product as per customer’s drawing and plan, our technician will take care of the rest.

Q12: How many coutries you already exported ?
A: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran,
      Turkey, Jordan, etc.
Q13: How can I get some samples?
A: Small samples in store and can provide the samples for free. Catalgue is available, most
      patterns we have ready samples in stock. Customized samples will take about 5-7days.
Q14: What is the delivery ?
A: Sample order’s delivery time is 5- 7 days. Container orders are about 15-20 days.

Q15: What is the application about your Products?
A:  1.elevator door/cabin or and escalator’s side-wall.
      2.Wall cladding inside or outside meeting room/ restaurant.
      3.Facade when cladding over something, like columns in the lobby.
      4.Ceiling in the supermarket. 5.Decorative draws in some entertainment places.
Q16: How long Can You Guarantee for This Product/Finish?
A: Color guarantee for more than 10 years. Original materials quality certificate can
       be provided.