STOCKIST & EXPORTERS OF ASTM A 519 4130/4140 PIPES (AN ISO 9001:2008 CERTIFIED COMPANY)
   

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AISI 4140 PROPERTIES

AISI 4140 PROPERTIES

AISI 4140

 Technical Data

AISI 4140 is a chromium molybdenum quality alloy steel. AISI 4140 is primarily supplied in the hardened and tempered condition to 18-22HRc range. AISI 4140 offers good ductility, shock resisting characteristics combined with resistancee to wear. AISI 4140 is suitable for a variety of applications in the oil and gas sector. This material can be supplied to AISI steel standards   

TYPICAL ANALYSIS

 

 

C.

Si.

Mn.

Cr.

Mo.

0.40%

0.25%

0.85%

1.00%

0.25%


 
     AISI 4140 18-22HRc Typical Mechanical Properties 

Yield
(psi)

UTS
(psi)

%
Elongation


Reduction of Area 

Hardness
HRC

Charpy
room temperature
(average of 3)

min 80k

min 100k

min 20%

min 40%

18-22

50J

max 110k

 

 

 

 

 

 


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