Re: ASME mechanical properties of AISI 4130

From: <elie>
Date: Tue Nov 13 2007 - 21:53:00 EST

Reference: http://www.stanford.edu/~jbower/Materials%20Selection.pdf

   AISI 4130 Steel, annealed at 865°C (1590°F) (1585°F), furnaced cooled 11°C
(20°F)/hour to 680°C (1255°F), air cooled, 25 mm (1 in.) round

   Subcategory: AISI 4000 Series Steel; Ferrous Metal; Low Alloy Steel; Medium Carbon Steel; Metal

             Key Words: alloy steels, UNS G41300, AMS 6350, AMS 6356, AMS 6360,
AMS 6361, AMS 6372, AMS 6370, AMS 6371, AMS 6373, ASTM A322, ASTM A331, ASTM
A505, ASTM A513, ASTM A519, ASTM A646, JIS SCM 2, JIS SCCrM 1, SS14 2225

(Sweden), B.S. CDS 110 (UK), medium carbon steels, chromium-molybdenum,

chrome-moly, MIL SPEC MIL-S-16974, SAE J404, SAE J412, SAE J770, DIN 1.7218,
AFNOR 25 CD 4 (France), MIL-S-6758 (flat and round bar), MIS-S-18729 ANN and
NORM (sheet and plate), QQS-624 (round bar)

   Component
   Wt. %
   C
   0.28 - 0.33
   Cr
   0.8 - 1.1
   Fe
   97.3 - 98.22
   Mn
   0.4 - 0.6
   Mo
   0.15 - 0.25
   P
   Max 0.035
   S
   Max 0.04
   0.15 - 0.35
   Si

   Physical Properties

     Metric
     English
     Comments
       Density
     7.85 g/cc
     0.284 lb/in³
       Mechanical Properties
       Tensile Strength, Ultimate
     560 MPa
     81200 psi
       Tensile Strength, Yield
     460 MPa
     66700 psi
       Elongation at Break
     21.5 %
     21.5 %
     in 50 mm
       Reduction of Area
     59.6 %
     59.6 %
       Modulus of Elasticity
     205 GPa
     29700 ksi
     Typical for steel
       Bulk Modulus
     140 GPa
     20300 ksi
     Typical for steel
       Poisson's Ratio
     0.29
     0.29
     Calculated
       Machinability
     70 %
     70 %
     annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.
       Shear Modulus
     80 GPa
     11600 ksi
     Typical for steel

   Thermal Properties
       Specific Heat Capacity
     0.477 J/g-°C
     0.114 BTU/lb-°F
     50-100°C
       Specific Heat Capacity at Elevated Temperature
     0.523 J/g-°C
     0.125 BTU/lb-°F
     150-200°C
       Specific Heat Capacity at Elevated Temperature
     0.837 J/g-°C
     0.2 BTU/lb-°F
     750-800°C
       Thermal Conductivity
     42.7 W/m-K
     296 BTU-in/hr-ft²-°F
     100°C
       Thermal Conductivity at Elevated Temperature
     30.1 W/m-K
     209 BTU-in/hr-ft²-°F
     1200°C
       Thermal Conductivity at Elevated Temperature
     40.7 W/m-K
     282 BTU-in/hr-ft²-°F
     300°C

Afshin <afshin@propipemanufacturing.com> wrote:
           Hello Dears,

Is there anybody knows the ultimate or yield strength or ASME allowable stresses of ASTM A-519 or AISI 4130 for temperature range from -20F to 250F for ASME (secVIII D1 or B31) pressure calculation purposes. Thanks,
Afshin

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[Non-text portions of this message have been removed] Received on Tue Nov 13 21:53:00 2007