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Nitralloy 135

פלדה זו היא פלדה דלת סגסוג הניתנת לניטרציה בעלת כושר חיסום סביר. הניטרציה מאפשרת קבלת חוזק פני שטח גבוה וחוזק גבוה בליבה. באמצעות המסה בוואקום (VAR-ARC) ניתן להגיע לניקיון מירבי.

Alloy Steels -> Nitralloy 135

 

 

 

General Characteristics

135 MODIFIED VAC-ARC steel is a low alloy nitriding grade with moderate hardenability. It has been designed to provide a high case hardness and to maintain its core strength during the nitriding cycle. VAC-ARC remelting is employed to provide preferred ingot solidification and superior microcleanliness. Nitralloy 135 Modified Vac-Arc steel is also produced by vacuum induction melting followed by vacuum arc remelting (VIM-VAR).

 

 

Typical chemical composition 

Weight % 

C 

Mn 

Si 

Cr 

Al 

Mo 

Fe 

Typical Analysis 

0.40 

0.60 

0.30 

1.60 

1.20 

0.20 

reminder 

Alloy Steels -> Nitralloy 135 -> Bars & Tubes

 

Typical Mechanical properties (core) 

 

Tensile 

Hardness 

Size of Section  

Ultimate 

Yield 

Elongation  

Reduction in Area 

Brinell 

 

KSI 

MPa 

KSI 

MPa 

% 

% 

 

Up to 1½''

(3.8 cm) 

135 

930 

100 

690 

16 

50 

280-340 

1½'' to 3''

(3.8 to 7.6 cm) 

125 

860 

90 

620 

15 

40 

280-340 on surface         269-321 on Test speciman

3'' to 5''

(7.6 to 12.7 cm) 

110 

760 

85 

580 

15 

40 

269-321 on Surface         240-300 on Test speciman

 
 

Specifications

 

·       AMS – 6470 (Air melt), 6471

·       Military Standards – MIL-S-6709 (Air melt)

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