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S15500 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S15500 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
14 to 34
Fatigue Strength, MPa 350 to 650
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
510 to 680
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
760 to 1130
Tensile Strength: Yield (Proof), MPa 590 to 1310
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
910
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
28 to 41
Strength to Weight: Bending, points 26 to 37
24 to 31
Thermal Shock Resistance, points 30 to 50
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.080
Chromium (Cr), % 14 to 15.5
17 to 19
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
61.2 to 69
Manganese (Mn), % 0 to 1.0
11.5 to 14.5
Nickel (Ni), % 3.5 to 5.5
2.3 to 3.7
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030