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S45000 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S45000 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 (6, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8 to 14
14 to 34
Fatigue Strength, MPa 330 to 650
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 590 to 830
510 to 680
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
760 to 1130
Tensile Strength: Yield (Proof), MPa 580 to 1310
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 840
910
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
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 2.8
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 50
28 to 41
Strength to Weight: Bending, points 28 to 36
24 to 31
Thermal Shock Resistance, points 33 to 47
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 14 to 16
17 to 19
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
61.2 to 69
Manganese (Mn), % 0 to 1.0
11.5 to 14.5
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
2.3 to 3.7
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