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Cast Grade: 25-35WCo

OVERVIEW: An alloy used in petrochemical applications operating at higher temperatures and pressures than are possible with conventional heat resistant materials.  Service limit 1180 degrees Celsius (2155 degrees Fahrenheit).

TYPICAL USES: Petrochemical furnaces (particularly in riser sections).

MetalTek Grade: MTEK 25-35WCo

Similar Specifications

Cast Grade: 25-35WCo

Cast ASTM: A297 MOD.

Typical Chemical Composition (% by wt.)

Cr: 25 - 28

Mn: 1.00

Ni: 34 - 37

Si: 1.40 - 2.00

W: 4 - 6

C Max: 0.45 - 0.50

Other: Co 14 - 16

Minimum Mechanical Properties

Tensile, ksi: 70

Tensile, MPa: 480

Yield, ksi: 40

Yield, MPa: 275

Elongation %: 7

Heat Treatment: NOT HEAT TREATED