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EN 1.7365 Steel vs. SAE-AISI 8630 Steel

Both EN 1.7365 steel and SAE-AISI 8630 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7365 steel and the bottom bar is SAE-AISI 8630 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
12 to 24
Fatigue Strength, MPa 320
260 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 700
540 to 680
Tensile Strength: Yield (Proof), MPa 470
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 70
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 580
340 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
19 to 24
Strength to Weight: Bending, points 22
19 to 22
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 20
18 to 23

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.28 to 0.33
Chromium (Cr), % 4.0 to 6.0
0.4 to 0.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
96.8 to 97.9
Manganese (Mn), % 0.5 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040
Vanadium (V), % 0 to 0.050
0