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EN 1.4313 Stainless Steel vs. EN 1.4557 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
40
Fatigue Strength, MPa 340 to 510
260
Impact Strength: V-Notched Charpy, J 55 to 70
56
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
560
Tensile Strength: Yield (Proof), MPa 580 to 910
300

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 780
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.6
Embodied Energy, MJ/kg 34
76
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 15
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 36
19
Strength to Weight: Bending, points 23 to 28
19
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 27 to 36
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 12 to 14
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 78.5 to 84.2
49.5 to 56.3
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0.3 to 0.7
6.0 to 7.0
Nickel (Ni), % 3.5 to 4.5
17.5 to 19.5
Nitrogen (N), % 0 to 0.020
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010