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EN 1.8888 Steel vs. S44700 Stainless Steel

Both EN 1.8888 steel and S44700 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
23
Fatigue Strength, MPa 470
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
82
Shear Strength, MPa 510
380
Tensile Strength: Ultimate (UTS), MPa 830
600
Tensile Strength: Yield (Proof), MPa 720
450

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 26
49
Embodied Water, L/kg 54
180

Common Calculations

PREN (Pitting Resistance) 2.0
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Shock Resistance, points 24
19

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.010
Chromium (Cr), % 0 to 1.5
28 to 30
Copper (Cu), % 0 to 0.3
0 to 0.15
Iron (Fe), % 91.9 to 100
64.9 to 68.5
Manganese (Mn), % 0 to 1.7
0 to 0.3
Molybdenum (Mo), % 0 to 0.7
3.5 to 4.2
Nickel (Ni), % 0 to 2.5
0 to 0.15
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.2
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0