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S30530 Stainless Steel vs. EN 1.4578 Stainless Steel

Both S30530 stainless steel and EN 1.4578 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 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 S30530 stainless steel and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
51
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 410
400
Tensile Strength: Ultimate (UTS), MPa 590
550
Tensile Strength: Yield (Proof), MPa 230
200

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 970
930
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.4
3.7
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 22
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 17 to 20.5
16.5 to 17.5
Copper (Cu), % 0.75 to 3.5
3.0 to 3.5
Iron (Fe), % 58.4 to 72.5
62.3 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
2.0 to 2.5
Nickel (Ni), % 8.5 to 11.5
10 to 11
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015