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MP-159

סגסוגת זו המשויכת למשפחת המרובת פאזות, בעלת שילוב תכונות ייחודי של חוזק גבוה במיוחד, משיכות ועמידות בפני קורוזיה. תכונה חשובה נוספת שלה היא שמירה על חוזק ומשיכות גבוהים בהעלאת טמפ' (1100-1200°F). שימושים נפוצים: מהדקים, רכיבי מנוע-סילון, שתלים, שימושים ימיים ותעשיית הנפט.

Alloy Steels -> MP-159

     

  

General Characteristics
MP159 is an alloy of the Multiphase family of alloys possessing the unique combination of ultra-high strength, ductility and corrosion resistance. Excellent strength and ductility are also evident at elevated temperatures up to 1100 - 1200 °F. Additionally, the alloy displays exceptional corrosion resistance and resistance to crevice and stress corrosion in various hostile environments. MP159 alloy is produced by vacuum induction melting followed by VAC-ARC remelting (VIM-VAR) to provide optimum control of chemistry and preferred ingot solidification. Typical uses include: Fasteners, Jet-Engine components, Drive components, Prosthetic devices, Marine applications and Petroleum Industry applications. 

 

Typical chemical composition

 

Weight %

Ni

Co

Cr

Fe

Mo

Ti

Cb

Al

Typical Composition

25.5

35.7

19.0

9.0

7.0

3.0

0.6

0.2

 

Physical properties

Characteristics

 

English

Metric

Nominal density

77°F   /   25°C

0.301 lbs/in3

8.33 gr/cm3

Coefficient of thermal expansion – Linear

77°F – 212°F

25°C – 100°C

7.94 µ × in/in- °F

14.3 µ × m/m- °K

77°F – 392°F

25°C – 200°C

7.90 µ × in/in- °F

14.2 µ × m/m- °K

77°F – 572°F

25°C – 300°C

7.88 µ × in/in- °F

14.2 µ × m/m- °K

77°F – 752°F

25°C – 400°C

8.09 µ × in/in- °F

14.6 µ × m/m- °K

77°F    932°F

25°C    500°C

8.28 µ × in/in- °F

14.9 µ × m/m- °K

77°F  – 1112°F

25°C    600°C

8.38 µ × in/in- °F

15.1 µ × m/m- °K

77°F  – 1292°F

25°C    700°C

8.90 µ × in/in- °F

16.0 µ × m/m- °K

77°F  – 1472°F

25°C    800°C

10.13 µ × in/in- °F

18.2 µ × m/m- °K

Magnetic permeability

77°F   /   25°C

1.00265

 

Mechanical properties

Heat Treatment

Tensile

 

Ultimate

Yield

Elongation

Reduction of area

 

KSI

MPa

KSI

MPa

%

%

Annealed 1925°F / 1052°C, 4 hrs, WQ

123

850

58

400

60

69

Cold Worked 48%

230

1585

205

1415

12

46

Cold Worked 48% + 1225°F (663°C)/ 4 hrs / AC

275

1895

265

1825

8

35

 

Specifications

·       AMS – 5841, 5842, 5843

.

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