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AISI 304 Stainless Steel vs. EN 1.6580 Steel

Both AISI 304 stainless steel and EN 1.6580 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 AISI 304 stainless steel and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
220 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.0 to 43
11 to 19
Fatigue Strength, MPa 210 to 440
310 to 610
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 690
450 to 700
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
720 to 1170
Tensile Strength: Yield (Proof), MPa 230 to 860
460 to 990

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 710
450
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
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.8
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 20
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
560 to 2590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 42
26 to 41
Strength to Weight: Bending, points 20 to 32
23 to 31
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 12 to 25
21 to 34

Alloy Composition

Carbon (C), % 0 to 0.080
0.26 to 0.34
Chromium (Cr), % 18 to 20
1.8 to 2.2
Iron (Fe), % 66.5 to 74
93.7 to 95.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 8.0 to 10.5
1.8 to 2.2
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035

Comparable Variants