EI661

Country	Section	Category
CIS, Russia, Ukraine	Corrosion-resistant alloys and steels	Corrosion-resistant heat-resistant steel

Standard	Co, %	Cr, %	Ni, %	Al, %	C, %	Mo, %	W, %
	7.5–12	8.5–11.5	53.73–67	4–4.7	< 0.07	9–12	4–6

Property
Typical Specifications Temperature: 800 ° C; Yield strength: 750 - 900 MPa Tensile strength: 800 - 950 MPa Elongation: 4 - 6% Elongation: 8 - 10%
Typical characteristics Temperature: 800 ° С Elastic modulus (Young's modulus): 207.5 GPa Linear expansion coefficient: 13.3 (10 ^ 6) / ° С Impact strength An at 800 ° C: 30 - 40 J / cm2
Temperature: 900 ° C; Yield strength: 500 - 600 MPa; Temporary resistance: 550 - 650 MPa; Elongation: 5 - 10%
Temperature: 900 ° С Relative narrowing: 8 - 13% Linear expansion coefficient: 13.9 (10 ^ 6) / ° С
Temperature: 925 ° C; Yield strength: 470 - 600 MPa Tensile strength: 500 - 650 MPa Elongation: 4 - 10%
Relative narrowing: 7 - 10% Impact strength An at 925 ° C: 40 - 50 J / cm2
Temperature: 950 ° C; Yield strength: 440 - 550 MPa; Temporary resistance: 470 - 600 MPa; Elongation: 4 - 10%
Relative narrowing: 6 - 15% Linear expansion coefficient: 14.2 (10 ^ 6) / ° С Impact strength An at 950 ° C: 14.2 J / cm2
Calculated properties Density: 9.12 g / cm3
Calculated properties Density: 9.12 g / cm3