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EN 1.8888 Steel vs. EN 1.3975 Stainless Steel

Both EN 1.8888 steel and EN 1.3975 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 27 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 EN 1.8888 steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
27
Fatigue Strength, MPa 470
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 830
660
Tensile Strength: Yield (Proof), MPa 720
320

Thermal Properties

Latent Heat of Fusion, J/g 260
340
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.9
3.3
Embodied Energy, MJ/kg 26
47
Embodied Water, L/kg 54
150

Common Calculations

PREN (Pitting Resistance) 2.0
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 24
15

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.050
Chromium (Cr), % 0 to 1.5
16 to 18
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
58.2 to 65.4
Manganese (Mn), % 0 to 1.7
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 0 to 2.5
8.0 to 9.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.080 to 0.18
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.8
3.5 to 4.5
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0