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AISI 304 Stainless Steel vs. EN 1.4658 Stainless Steel

Both AISI 304 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 85% 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 360
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 8.0 to 43
28
Fatigue Strength, MPa 210 to 440
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 400 to 690
580
Tensile Strength: Ultimate (UTS), MPa 580 to 1180
900
Tensile Strength: Yield (Proof), MPa 230 to 860
730

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.5
Embodied Energy, MJ/kg 43
61
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 20
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 250
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1870
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 42
32
Strength to Weight: Bending, points 20 to 32
26
Thermal Diffusivity, mm2/s 4.2
4.3
Thermal Shock Resistance, points 12 to 25
24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 66.5 to 74
50.9 to 63.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 8.0 to 10.5
5.5 to 9.5
Nitrogen (N), % 0 to 0.1
0.3 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010