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EN 1.4424 Stainless Steel vs. S30815 Stainless Steel

Both EN 1.4424 stainless steel and S30815 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4424 stainless steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
45
Fatigue Strength, MPa 350 to 370
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
480
Tensile Strength: Ultimate (UTS), MPa 800
680
Tensile Strength: Yield (Proof), MPa 480 to 500
350

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 960
1020
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.3
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 29
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
260
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 640
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 23
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 18 to 19
20 to 22
Iron (Fe), % 68.6 to 72.4
62.8 to 68.4
Manganese (Mn), % 1.2 to 2.0
0 to 0.8
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 4.5 to 5.2
10 to 12
Nitrogen (N), % 0.050 to 0.1
0.14 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 1.4 to 2.0
1.4 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030