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EN 1.4557 Stainless Steel vs. AISI 316 Stainless Steel

Both EN 1.4557 stainless steel and AISI 316 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 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 1.4557 stainless steel and the bottom bar is AISI 316 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
160 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
8.0 to 55
Fatigue Strength, MPa 260
210 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 560
520 to 1180
Tensile Strength: Yield (Proof), MPa 300
230 to 850

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1090
590
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 29
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
3.9
Embodied Energy, MJ/kg 76
53
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 45
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
85 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130 to 1820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
18 to 41
Strength to Weight: Bending, points 19
18 to 31
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 12
11 to 26

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19.5 to 20.5
16 to 18
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
62 to 72
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 6.0 to 7.0
2.0 to 3.0
Nickel (Ni), % 17.5 to 19.5
10 to 14
Nitrogen (N), % 0.18 to 0.24
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030