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Inconel 600 vs Inconel 625

Inconel 600 vs Inconel 625

Table of Content


Equivalent Grades Of Inconel 600 & Inconel 625

Equivalent Grades Of Inconel 600 & Inconel 625
Equivalent Grades INCONEL 625 INCONEL 600
EN – DIN NiCr 22 Mo 9 Nb NiCr 15 Fe
ASTM – UNS N06625 N06600
W. Nr 2.4856 2.4816
AFNOR NC 22 DNb NC 15 Fe 7 TA

Refer Inconel vs Monel Below Before Buying the Materials

Comparision Of Inconel & Monal Properties


Comparision Of Inconel & Monal Properties
Properties Inconel Monal
INCONEL 625 INCONEL 600 Monal 400
Mechanical Properties Elongation at Break 3.4 to 35% 33 to 34% 20 to 40%
Poisson's Ratio 0.29 0.29 0.32
Shear Strength 430 to 570 MPa (62 to 83 x 103psi) 530 to 600 MPa (77 to 87 x 103psi) 370 to 490 MPa (53 to 71 x 103psi)
Shear Modulus 75 GPa (11 x 106psi) 79 GPa (11 x 106psi) 62 GPa (9.0 x 106psi)
Thermal Properties Curie Temperature -120°C (-190°F) -200°C (-320°F) 40°C (100°F)
Latent Heat of Fusion 310 J/g 330 J/g 270 J/g

Find Difference Between Inconel and Stainless Steel Below

Properties of Inconel and Stainless Steel


Properties of Inconel and Stainless Steel
Properties Inconel Stainless Steel
INCONEL 625 INCONEL 600 AISI 304 AISI 316 AISI 410
Mechanical Properties Elastic Modulus 190 GPa (28 x 106 psi) 200 GPa (30 x 106 psi) 200 GPa (29 x 106 psi) 200 GPa (29 x 106 psi) 190 GPa (28 x 106 psi)
Fatigue Strength 220 to 300 MPa (32 to 44 x 103 psi) 240 to 320 MPa (34 to 47 x 103 psi) 210 to 440 MPa (30 to 63 x 103 psi) 210 to 430 MPa (30 to 63 x 103 psi) 190 to 350 MPa (28 to 50 x 103 psi)
Tensile Strength 650 to 990 MPa (94 to 140 x 103 psi) 790 to 910 MPa (120 to 130 x 103 psi) 580 to 118 0MPa (84 to 170 x 103 psi) 520 to 118 0MPa (76 to 170 x 103 psi) 520 to 770 MPa (76 to 110 x 103 psi)
Yield Strength 270 to 760 MPa (39 to 110 x 103 psi) 320 to 450 MPa (47 to 65 x 103 psi) 230 to 860 MPa (34 to 120 x 103 psi) 230 to 850 MPa (33 to 120 x 103 psi) 290 to 580 MPa (42 to 84 x 103 psi)
Thermal Properties Specific Heat Capacity 460J/kg-K (0.11BTU/lb-°F) 440J/kg-K (0.1BTU/lb-°F) 480J/kg-K (0.11BTU/lb-°F) 470J/kg-K (0.11BTU/lb-°F) 480J/kg-K (0.11BTU/lb-°F)
Thermal Expansion 13µm/m-K 13µm/m-K 17µm/m-K 16µm/m-K 11µm/m-K
Thermal Conductivity 14W/m-K (8.2BTU/h-ft-°F) 11W/m-K (6.4BTU/h-ft-°F) 16W/m-K (9.2BTU/h-ft-°F) 15W/m-K (8.9BTU/h-ft-°F) 30W/m-K (17BTU/h-ft-°F)

Refer How Application Wise Alloy 600 and 625 Differ With Each Other

Application Wise Difference Between Alloy 600 and 625


Application Inconel 600 Inconel 625
High-Temperature Uses Alloy 600 vs 625
  • Furnace components
  • heat-treating equipment
  • Jet engines
  • heat shields
  • exhaust systems
Chemical Processing Chemical Processing
  • Heat exchangers
  • evaporators
  • gas turbines
  • Acid scrubbers
  • pollution control systems
Marine Applications Marine Applications
  • Not commonly used
  • Seawater piping
  • subsea equipment
Power Generation Power Generation
  • Reactor components
  • steam generators
  • Flue gas scrubbers
  • heat exchangers
  • steam lines
General Industrial General Industrial
  • Food processing
  • industrial heating
  • Mining
  • petrochemical
  • extreme durability

Refer Chemical Composition Wise Inconel 600 and 625 Difference Here

Chemical Composition Of Nickel 600 & 625

Chemical Composition Of Nickel 600 & 625
Properties INCONEL 625 INCONEL 600
Sulfur (S) 0 to 0.015 0 to 0.015
Carbon (C) 0 to 0.1 0 to 0.15
Aluminum (Al) 0 to 0.4 -
Manganese (Mn) 0 to 0.5 0 to 1.0
Iron (Fe) 0 to 5.0 6.0 to 10
Molybdenum (Mo) 8.0 to 10 -
Nickel (Ni) 58 to 68.9 72 to 80
Chromium (Cr) 20 to 23 14 to 17
Niobium (Nb) 3.2 to 4.2 -
Cobalt (Co) 0 to 1.0 -
Silicon (Si) 0 to 0.5 0 to 0.5
Titanium (Ti) 0 to 0.4 -
Phosphorus (P) 0 to 0.015 -
Copper (Cu) - 0 to 0.5

Check Difference Between Inconel 600 Round Bar and Inconel 625 Round Bar Below

Inconel 600 & 625 Round Bar Weight Per Meter


Inconel 600 & 625 Round Bar Weight Per Meter
INCONEL 600 ROUND BAR
Diameter mm KG P/Mtr
80 42.88
50.8 17.29
22.23 3.31
9.53 0.61
75 37.69
44.45 13.24
20 2.68
160 171.52
63.5 27.02
38.1 9.73
19.05 2.43
130 113.23
57.15 21.88
25 4.19
12.7 1.08
12.7 1.08

INCONEL 625 ROUND BAR
INCONEL 625 ROUND BAR
Diameter mm KG P/Mtr
101.6 (4”) 68.42
50.8 (2”) 38.49
31.75 (1-1/4”) 6.68
100 66.28
50 16.57
16 1.7
203 273.15
76.2 (3”) 38.49
40 10.61
114.3 (4-1/2”) 86.6
70 32.48
35 8.12

Inco 625 vs 600 Properties


Inco 625 vs 600 Properties
Properties Annealed Inconel 625 Solution Treated 625
Elongation at Break 33% 34%
Poisson's Ratio 0.29 0.29
Shear Strength 600 MPa (87 x 103 psi) 530 MPa (77 x 103 psi)
Yield Strength 450 MPa (65 x 103 psi) 320 MPa (47 x 103 psi)
Elastic Modulus 200 GPa (30 x 106 psi) 200 GPa (30 x 106 psi)
Fatigue Strength 320 MPa (47 x 103 psi) 240 MPa (34 x 103 psi)
Shear Modulus 79 GPa (11 x 106 psi) 79 GPa (11 x 106 psi)
Tensile Strength: Ultimate (UTS) 910 MPa (130 x 103 psi) 790 MPa (120 x 103 psi)
Mechanical 980 °C (1800 °F) 980 °C (1800 °F)
Melting Onset 1290 °C (2350 °F) 1290 °C (2350 °F)
Thermal Conductivity 11 W/m-K (6.4 BTU/h-ft-°F) 11 W/m-K (6.4 BTU/h-ft-°F)
Latent Heat of Fusion 330 J/g 330 J/g
Melting Completion 1350 °C (2460 °F) 1350 °C (2460 °F)
Specific Heat Capacity 440 J/kg-K (0.1 BTU/lb-°F) 440 J/kg-K (0.1 BTU/lb-°F)
Thermal Expansion 13 µm/m-K 13 µm/m-K
Curie Temperature -200 °C (-320 °F) -200 °C (-320 °F)
Molybdenum 8.0 to 10 8.0 to 10
Iron 0 to 5.0 0 to 5.0
Manganese 0 to 0.5 0 to 0.5
Aluminum 0 to 0.4 0 to 0.4
Carbon 0 to 0.1 0 to 0.1
Sulfur 0 to 0.015 0 to 0.015
Chromium 20 to 23 20 to 23
Niobium 3.2 to 4.2 3.2 to 4.2
Cobalt 0 to 1.0 0 to 1.0
Silicon 0 to 0.5 0 to 0.5
Titanium 0 to 0.4 0 to 0.4
Phosphorus 0 to 0.015 0 to 0.015
Nickel 58 to 68.9 58 to 68.9

Nickel Alloy 600 & 625 Temperature Range


Nickel Alloy 600 & 625 Temperature Range
Grades Heat Treatment Temperature Range
600 Annealed 1350 °C (2470 °F)
600 Full-Hard 1350 °C (2470 °F)
600 Half-Hard 1350 °C (2470 °F)
600 Hot Worked 1350 °C (2470 °F)
625 Annealed 1290 °C (2350 °F)
625 Solution Treated 1290 °C (2350 °F)

Alloy 600 vs 625 Melting Point


Alloy 600 vs 625 Melting Point
Grades Heat Treatment Melting Onset Melting Completion
600 Annealed 1350 °C (2470 °F) 1410 °C (2580 °F)
600 Full-Hard 1350 °C (2470 °F) 1410 °C (2580 °F)
600 Half-Hard 1350 °C (2470 °F) 1410 °C (2580 °F)
600 Hot Worked 1350 °C (2470 °F) 1410 °C (2580 °F)
625 Annealed 1290 °C (2350 °F) 1350 °C (2460 °F)
625 Solution Treated 1290 °C (2350 °F) 1350 °C (2460 °F)

Nickel 600 vs 625 Hardness HRC


Nickel 600 vs 625 Hardness HRC
Material Hardness, Rockwell
Alloy 600 rod and bar 65-85B
Alloy 600 Plate 65-85B
Alloy 600 Sheet 88B max
Alloy 625 Bar ≤ 287 HB
Alloy 625 Sheet 145-240

In625 vs 600 Density


In625 vs 600 Density
Grades Heat Treatment Density
600 Annealed 8.5 g/cm3 530 lb/ft3
600 Full-Hard 8.5 g/cm3 530 lb/ft3
600 Half-Hard 8.5 g/cm3 530 lb/ft3
600 Hot Worked 8.5 g/cm3 530 lb/ft3
625 Annealed 8.6 g/cm3 540 lb/ft3
625 Solution Treated 8.6 g/cm3 540 lb/ft3