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                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.

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