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EN 1.8888 Steel vs. EN 1.4922 Stainless Steel

Both EN 1.8888 steel and EN 1.4922 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 EN 1.8888 steel and the bottom bar is EN 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16
Fatigue Strength, MPa 470
330
Impact Strength: V-Notched Charpy, J 110
38
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 510
470
Tensile Strength: Ultimate (UTS), MPa 830
770
Tensile Strength: Yield (Proof), MPa 720
550

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 420
720
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.8
Embodied Energy, MJ/kg 26
40
Embodied Water, L/kg 54
100

Common Calculations

PREN (Pitting Resistance) 2.0
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
770
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 11
6.5
Thermal Shock Resistance, points 24
27

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.17 to 0.23
Chromium (Cr), % 0 to 1.5
10 to 12.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
83.5 to 88.2
Manganese (Mn), % 0 to 1.7
0.3 to 1.0
Molybdenum (Mo), % 0 to 0.7
0.8 to 1.2
Nickel (Ni), % 0 to 2.5
0.3 to 0.8
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0.2 to 0.35
Zirconium (Zr), % 0 to 0.15
0