Inconel

UNS: N06625 DN: 2.4856

625

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Equivalent

Standards DN AMS ASME UNS
Material Designation 2.4856 5599, 5666, 5837 SB443 GR1, SB446 GR1 N06625

Chemical Composition (%)

 

C

Mn

Fe

S

Ni

Si

Cr

Mo

Co

Ti

Min

–

–

–

–

58

–

20.0

8.0

–

–

Max

0.1

0.5

5.0

0.015

–

0.5

23.0

10.0

1.0

0.4

Thermal and Electrical Properties

 Te Meal Linear
Expansion⁴
10-in/in ·F		 Thermal
Conductivityb,c
Btu · in/ft²-h-F		 Electrical
Resistivity
ohm-circ mil/ft		 Temp
℃		 Mean Linear
Expansion⁴
μm/μm · ℃		 Thermal
Conductivity be
W/m · ℃		 Electrical
Resistivity
μQ-cm
  -250  – 50  – -157  – 7.2  –
  -200  52  -129  7.5 
  -100  58  – -73  – 8.4 
0  64  -18  9.2 
70  68  776  21  9.8  129 
100  70  780  38  – 10.1  130 
200  7.1  75  794  93  12.8  10.8  132 
400  7.3  87  806  204  13.1  12.5  134 
600  7.4  98  812  316  13.3  14.1  135 
800  7.6  109  818  427  13.7  15.7  136 
1000  7.8  121  830  538  14.0  17.5  138 
1200  8.2  132  830  649  14.8  19.0  138 
1400  8.5  144  824  760  15.3  20.8  137 
1600  8.8  158  818  871  15.8  22.8  136 
1700  9.0  – – 927  16.2  – –
1800  175  812  982  – 25.2  135 
2000  – – 806  1093  – – 134 

Modulus

Tem Modulus of Elasticity,10³ksi    Poisson’s Temp.
℃		  Modulus of Elasticity,GPa
Tension Shear Ra tio Tension Shear
Annealed Solution-
Treated		 Annealed Solution-
Treated		 Annealed   Solution-
  Treated		 Annealed Solution-
Treated		 Annealed Solution-
Treated
70  30.1    29.7  11.8  11.3  0.278  0.312  21  207.5  204.8  81.4  78.0 
200  29.6    29.1  11.6  11.1  0.280  0.311  93  204.1  200.6  80.0  76.5 
400  28.7    28.1  11.1  10.8  0.286  0.303  204  197.9  193.7  76.5  74.5 
600  27.8    27.2  10.8  10.4  0.290  0.300  316  191.7  187.5  74.5  71.7 
800  26.9    26.2  10.4  10.0  0.295  0.302  427  185.5  180.6  71.7  68.9 
1000  25.9    25.1  9.9  9.6  0.305  0.312  538  178.6  173.1  68.3  66.2 
1200  24.7    24.0  9.4  9.2  0.321  0.314  649  170.3  165.5  64.8  63.4 
1400  23.3    22.8  8.7  8.8  0.340  0.305  760  160.6  157.2  60.0  60.7 
1600  21.4    21.5  8.0  8.3  0.336  0.289  871  147.5  148.2  55.2  57.2 

Mechanical Properties

Form
And
Condition		 Tensile
Strength		 Yield Strength
(0.2%Offset)
Elongation

%		 Reduction
Of Area
%		 Hardness,
Brinell
ksi MPa ksi MPa
ROD,BAR,PLATE
As-Rolled 120-160 827-1103 60-110 414-758 60-30 60-40 175-240
Annealed 120-150 827-1034 60-95 414-655 60-30 60-40 145-220
Solution-Treated 105-130 724-896 42-60 290-414 65-40 90-60 116-194
SHEET and STRIP
Annealed 120-150 827-1034 60-90 414-621 55-30 – 145-240
TUBE and PIPE,
COLD-DRAWN
Annealed 120-140 827-965 60-75 414-517 55-30 – –
Solution-Treated 100-120 689-827 40-60 276-414 60-40 – –

Available Products

  • COIL
  • SHEET/PLATE
  • STRIP
  • TUBE

Advantages

High strength: Even at high temperatures, Inconel 625 maintains high strength.

High toughness: good fracture toughness, can effectively resist stress corrosion cracking.

Good fatigue strength: when used in high temperature and high stress environments, it can effectively resist fatigue damage caused by thermal cycling or mechanical stress.

Inconel 625 has good welding performance and can be used with a variety of welding methods, including TIG, MIG and submerged arc welding. Its welding process will not appear obvious cracks or deformation, ensuring the strength and toughness of the welded joints

Applications

1.Chemical and Petrochemical Industry

2.Aerospace

3.Nuclear Energy

4.Food and Pharmaceutical

5.Etc

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