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EN 1.4646 Stainless Steel vs. SAE-AISI 94B30 Steel

Both EN 1.4646 stainless steel and SAE-AISI 94B30 steel are iron alloys. They have 65% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 340
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
320
Tensile Strength: Ultimate (UTS), MPa 750
500
Tensile Strength: Yield (Proof), MPa 430
300

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 160
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 16
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.020 to 0.1
0.28 to 0.33
Chromium (Cr), % 17 to 19
0.3 to 0.5
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
97 to 98.1
Manganese (Mn), % 10.5 to 12.5
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.080 to 0.15
Nickel (Ni), % 3.5 to 4.5
0.3 to 0.6
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040