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S44700 Stainless Steel vs. EN 1.4557 Stainless Steel

Both S44700 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 77% 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 S44700 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 300
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 600
560
Tensile Strength: Yield (Proof), MPa 450
300

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
5.6
Embodied Energy, MJ/kg 49
76
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 42
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 480
210
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.020
Chromium (Cr), % 28 to 30
19.5 to 20.5
Copper (Cu), % 0 to 0.15
0.5 to 1.0
Iron (Fe), % 64.9 to 68.5
49.5 to 56.3
Manganese (Mn), % 0 to 0.3
0 to 1.2
Molybdenum (Mo), % 3.5 to 4.2
6.0 to 7.0
Nickel (Ni), % 0 to 0.15
17.5 to 19.5
Nitrogen (N), % 0 to 0.020
0.18 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010