WD-Co21

PRODUCT

INTRODUCTION

WISDOM WD-Co21 is recommended for applications involving cavitation, erosion, corrosion and/or high temperatures, such as valve trim for petrochemical and power generation. Due to its good impact resistance, it has been widely used in the building up of forging or hot stamping dies.

Common Names: Stellite 21 Polystel 21

Standard: AWS 5.21-2001 ERCoCr-E

CHEMICAL COMPOSITION(%)

C

Si

Mn

Mo

Cr

W

Ni

Fe

Co

0.25

1.5

≤0.5

5.5

27.3

≤0.5

2.0

1.5

Rest

CHARACTERISTIC

Abrasion Resistance

Moderate

Impact Resistance

Excellent

Corrosion Resistance  

Good

Hardness

HRC 20-40

Deposit Layers

Multiple

Deposit Cross Checks

No

Magnetic  

No

Hot Wear Hardness  

Good

Machinability

Carbide Tools

 

Length (mm)

350, 500, 1000, 2000 or customized

Other Forms

Powder, Electrode

PRODUCTION PROCESS

Smelting

Horizontal continuous casting

Cooling

Straightening

Cutting

WELDING PROCESS

OAW (OXY, OFW)

   

TIG (GTAW)

   

ERW(Electric Resistance Welding)

Other Automation System

  

Robotic

APPLICATION

liquid valves

Water turbine blade

Hot forging die

Hot shear

PACKING AND SHIPPING

Packaging

For different forms we use different packing as pictures below

1meter pack in 5kg per tube 4 tubes in one carton Exporting wooden box
350mm length packing 350mm carton packing 2 meter length packing

Label

WISDOM Brand, Neutral or Customized

Lead time

Less than 500kg: 7-10 working days

500-1000kg: 10-15 working days

More than 1000kg: 15-20 working days

Delivery

Courier/Air/Sea

Leave message

Please Feel free to give your inquiry in the form below.We will reply you in 24 hours.

  • *