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S21600 Stainless Steel vs. EN 1.4618 Stainless Steel

Both S21600 stainless steel and EN 1.4618 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21600 stainless steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
51
Fatigue Strength, MPa 360
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 500
480 to 500
Tensile Strength: Ultimate (UTS), MPa 710
680 to 700
Tensile Strength: Yield (Proof), MPa 390
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
900
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 50
39
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 370
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24 to 25
Strength to Weight: Bending, points 23
22 to 23
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 17.5 to 22
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 57.6 to 67.8
62.7 to 72.5
Manganese (Mn), % 7.5 to 9.0
5.5 to 9.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
4.5 to 5.5
Nitrogen (N), % 0.25 to 0.5
0 to 0.15
Phosphorus (P), % 0 to 0.045
0 to 0.070
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010