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S21603 Stainless Steel vs. EN 1.4373 Stainless Steel

Both S21603 stainless steel and EN 1.4373 stainless steel are iron alloys. They have a moderately high 95% 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 S21603 stainless steel and the bottom bar is EN 1.4373 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 360
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 490
530
Tensile Strength: Ultimate (UTS), MPa 690
750
Tensile Strength: Yield (Proof), MPa 390
370

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
910
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
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 50
40
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
290
Resilience: Unit (Modulus of Resilience), kJ/m3 380
340
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 17.5 to 22
17 to 19
Iron (Fe), % 57.6 to 67.8
63 to 71.5
Manganese (Mn), % 7.5 to 9.0
7.5 to 10.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
4.0 to 6.0
Nitrogen (N), % 0.25 to 0.5
0.050 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015