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S21800 Stainless Steel vs. EN 1.4057 Stainless Steel

Both S21800 stainless steel and EN 1.4057 stainless steel are iron alloys. They have 82% 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 S21800 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 40
11 to 17
Fatigue Strength, MPa 330
320 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 510
520 to 580
Tensile Strength: Ultimate (UTS), MPa 740
840 to 980
Tensile Strength: Yield (Proof), MPa 390
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 900
850
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.2
Embodied Energy, MJ/kg 45
32
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 390
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 27
30 to 35
Strength to Weight: Bending, points 24
26 to 28
Thermal Shock Resistance, points 17
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.1
0.12 to 0.22
Chromium (Cr), % 16 to 18
15 to 17
Iron (Fe), % 59.1 to 65.4
77.7 to 83.4
Manganese (Mn), % 7.0 to 9.0
0 to 1.5
Nickel (Ni), % 8.0 to 9.0
1.5 to 2.5
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015