General alloy material performance advantages and disadvantages

Shell Technology

CT-110

CT-220

CT-330

CT-350

CT-880

CT-890

Apply Property

Wear Resistant

Wear Resistant

Corrosion resistance

Hydrofluoric acid-resistant

High intensity resistance and corrosion resistance

Higher intensity resistance and higher corrosion resistance

Hardness

55-65

58-61

48-54

55-62

55-64

58-66

Alloy

Steel-Nickel-Boron

High-chromium alloy

Nickel-Cobalt-Chrome-Boron

Nickel-Low Steel

Nickel-Tungsten-Chrome-Boron

Nickel-Tungsten-Chrome-Boron

Ultimate tensile strength

52,000

52,000

51,000

50,000

58,000

59,000

Stretching to the breakdown%

0.20

0.19

0.21

0.16

0.18

0.19

Density

0.274

0.282

0.302

0.302

0.360

0.365

Melting range

2000ìF-
2050ìF

2025ìF-
2095ìF

1900ìF-
1970ìF

1920ìF-
1980ìF

1800ìF-
1890ìF

1810ìF-
1910ìF

weight

7.57

7.68

7.94

7.96

9.80

10.04

Thermal conductivity Coefficient

7.4 BTU/hr/sq ft/ft/ìF

7.6 BTU/hr/sq ft/ft/ìF

18.1 BTU/hr/sq ft/ft/ìF

18.3 BTU/hr/sq ft/ft/ìF

18.7 BTU/hr/sq ft/ft/ìF

18.9 BTU/hr/sq ft/ft/ìF

Coefficient of thermal expansion

6 x 10(-6)/ìF

6.1 x 10(-6)/ìF

6.4 x 10(-6)/ìF

6.6 x 10(-6)/ìF

5.55 x 10(-6)/ìF

5.56 x 10(-6)/ìF