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AWS 5.21 ERCoCr-E/Stellite 25/Polystel cobalt based welding rod for hardfacing

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Allotech Co.Ltd

AWS 5.21 ERCoCr-E/Stellite 25/Polystel cobalt based welding rod for hardfacing

Country/Region china
City & Province shanghai shanghai
Categories Welding Rods
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Product Details

Description

Co 25, is resistant to oxidation and carburization up to 1900°F. The alloy resists wet chlorine at ambient temperatures and is resistant to nitric and hydrochloric acids under certain conditions. Exposure testing is recommended to verify performance. It equivalent to: Stellite 25.

 

Applications

Metal working tools where a combination of metal-onmetal wear, thermal fatigue and hot corrosion resistanceare required, such as piercing points, forming tools, and extrusion dies. Also used for furnace hardware.

 

Product Details

Chemical composition:

Grade

Chemical composition(%)

Co

Cr

W

Ni

    C

Mn

Si

Mo

Fe

Co 25

Bal

20

15

10

0.05

≤1.5

1

≤1.0

≤2

 

Physical Properties

Grade

Density

Melting Point

Co 25

 

8.31g/cm3

1329~1410°C

 

Typical Characteristics:

 Hardness

Abrasion Resistance

Deposit Layers

Corrosion Resistance

Machilityineab

HRC 20~45

Good

Multiple

Good

Carbide Tools

 

Standard Sizes:

Diameter

Diameter

      Diameter

1/8” (3.2mm)

5/32” (4.0mm)

3/16” (4.8mm)

Note that special sizes, or packing requirements are available on all requests.

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