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AISI 304 Stainless Steel vs. EN 1.8898 Steel

Both AISI 304 stainless steel and EN 1.8898 steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is EN 1.8898 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 43
18
Fatigue Strength, MPa 210 to 440
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 690
370
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
600
Tensile Strength: Yield (Proof), MPa 230 to 860
490

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 710
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
22
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 42
21
Strength to Weight: Bending, points 20 to 32
20
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 25
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.080
0 to 0.16
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 66.5 to 74
96.7 to 99.98
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 8.0 to 10.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.1
0 to 0.025
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12