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EN 1.4517 Stainless Steel vs. S44700 Stainless Steel

Both EN 1.4517 stainless steel and S44700 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4517 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
23
Fatigue Strength, MPa 380
300
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
82
Tensile Strength: Ultimate (UTS), MPa 730
600
Tensile Strength: Yield (Proof), MPa 550
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.6
Embodied Energy, MJ/kg 53
49
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 38
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 740
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 24.5 to 26.5
28 to 30
Copper (Cu), % 2.8 to 3.5
0 to 0.15
Iron (Fe), % 56.7 to 65.1
64.9 to 68.5
Manganese (Mn), % 0 to 1.5
0 to 0.3
Molybdenum (Mo), % 2.5 to 3.5
3.5 to 4.2
Nickel (Ni), % 5.0 to 7.0
0 to 0.15
Nitrogen (N), % 0.12 to 0.22
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 0.025
0 to 0.020