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EN 1.4588 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4588 stainless steel and S44700 stainless steel are iron alloys. They have 70% 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 1.4588 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
23
Fatigue Strength, MPa 190
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
82
Tensile Strength: Ultimate (UTS), MPa 540
600
Tensile Strength: Yield (Proof), MPa 240
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
18
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
3.6
Embodied Energy, MJ/kg 84
49
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 44
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 19 to 21
28 to 30
Copper (Cu), % 0.5 to 1.5
0 to 0.15
Iron (Fe), % 41.2 to 50.4
64.9 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 6.0 to 7.0
3.5 to 4.2
Nickel (Ni), % 24 to 26
0 to 0.15
Nitrogen (N), % 0.1 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.020
0 to 0.020