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EN 1.1221 Steel vs. SAE-AISI 9310 Steel

Both EN 1.1221 steel and SAE-AISI 9310 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is SAE-AISI 9310 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
540 to 610
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
17 to 19
Fatigue Strength, MPa 240 to 340
300 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
510 to 570
Tensile Strength: Ultimate (UTS), MPa 730 to 870
820 to 910
Tensile Strength: Yield (Proof), MPa 390 to 550
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.8
Embodied Energy, MJ/kg 19
24
Embodied Water, L/kg 47
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
120 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
540 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
29 to 32
Strength to Weight: Bending, points 23 to 26
25 to 27
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 23 to 28
24 to 27

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.080 to 0.13
Chromium (Cr), % 0 to 0.4
1.0 to 1.4
Iron (Fe), % 97.1 to 98.8
93.8 to 95.2
Manganese (Mn), % 0.6 to 0.9
0.45 to 0.65
Molybdenum (Mo), % 0 to 0.1
0.080 to 0.15
Nickel (Ni), % 0 to 0.4
3.0 to 3.5
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.4
0.2 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.012

Comparable Variants