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AISI 430 Stainless Steel vs. EN 1.6957 Steel

Both AISI 430 stainless steel and EN 1.6957 steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 430 stainless steel and the bottom bar is EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
18
Fatigue Strength, MPa 180
530
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
46
Shear Modulus, GPa 77
73
Shear Strength, MPa 320
570
Tensile Strength: Ultimate (UTS), MPa 500
930
Tensile Strength: Yield (Proof), MPa 260
780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
450
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.1
Embodied Energy, MJ/kg 30
29
Embodied Water, L/kg 120
60

Common Calculations

PREN (Pitting Resistance) 17
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
33
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 6.7
13
Thermal Shock Resistance, points 18
27

Alloy Composition

Carbon (C), % 0 to 0.12
0.22 to 0.32
Chromium (Cr), % 16 to 18
1.2 to 1.8
Iron (Fe), % 79.1 to 84
92.7 to 94.7
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0 to 0.75
3.4 to 4.0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0070
Vanadium (V), % 0
0.050 to 0.15