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EN 1.4962 Stainless Steel vs. SAE-AISI 8645 Steel

Both EN 1.4962 stainless steel and SAE-AISI 8645 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4962 stainless steel and the bottom bar is SAE-AISI 8645 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 34
12 to 23
Fatigue Strength, MPa 210 to 330
280 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 440
380 to 400
Tensile Strength: Ultimate (UTS), MPa 630 to 690
600 to 670
Tensile Strength: Yield (Proof), MPa 260 to 490
390 to 560

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.6
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 59
20
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
77 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 610
420 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
21 to 24
Strength to Weight: Bending, points 20 to 21
20 to 22
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 14 to 16
18 to 20

Alloy Composition

Boron (B), % 0.0015 to 0.0060
0
Carbon (C), % 0.070 to 0.15
0.43 to 0.48
Chromium (Cr), % 15.5 to 17.5
0.4 to 0.6
Iron (Fe), % 62.1 to 69
96.5 to 97.7
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 12.5 to 14.5
0.4 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.4 to 0.7
0
Tungsten (W), % 2.5 to 3.0
0