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EN 1.4057 +A Steel vs. Annealed S45500 Stainless Steel

Both EN 1.4057 +A steel and annealed S45500 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4057 +A steel and the bottom bar is annealed S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
3.4
Fatigue Strength, MPa 320
570
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 520
790
Tensile Strength: Ultimate (UTS), MPa 840
1370
Tensile Strength: Yield (Proof), MPa 530
1240

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 400
620
Maximum Temperature: Mechanical, °C 850
760
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
3.8
Embodied Energy, MJ/kg 32
57
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 16
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
45
Resilience: Unit (Modulus of Resilience), kJ/m3 700
4000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
48
Strength to Weight: Bending, points 26
35
Thermal Shock Resistance, points 30
48

Alloy Composition

Carbon (C), % 0.12 to 0.22
0 to 0.050
Chromium (Cr), % 15 to 17
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 77.7 to 83.4
71.5 to 79.2
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.5 to 2.5
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4