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AISI 430 Stainless Steel vs. EN 1.4658 Stainless Steel

Both AISI 430 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 430 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 24
28
Fatigue Strength, MPa 180
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 320
580
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 260
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.1
4.5
Embodied Energy, MJ/kg 30
61
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 17
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 6.7
4.3
Thermal Shock Resistance, points 18
24

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 16 to 18
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 79.1 to 84
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.75
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010