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EN 1.4901 Stainless Steel vs. S21603 Stainless Steel

Both EN 1.4901 stainless steel and S21603 stainless steel are iron alloys. They have 73% 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 EN 1.4901 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
45
Fatigue Strength, MPa 310
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 460
490
Tensile Strength: Ultimate (UTS), MPa 740
690
Tensile Strength: Yield (Proof), MPa 490
390

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Corrosion, °C 380
420
Maximum Temperature: Mechanical, °C 650
990
Melting Completion (Liquidus), °C 1490
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.6
Embodied Energy, MJ/kg 40
50
Embodied Water, L/kg 89
160

Common Calculations

PREN (Pitting Resistance) 14
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
270
Resilience: Unit (Modulus of Resilience), kJ/m3 620
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 23
15

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0 to 0.030
Chromium (Cr), % 8.5 to 9.5
17.5 to 22
Iron (Fe), % 85.8 to 89.1
57.6 to 67.8
Manganese (Mn), % 0.3 to 0.6
7.5 to 9.0
Molybdenum (Mo), % 0.3 to 0.6
2.0 to 3.0
Nickel (Ni), % 0 to 0.4
5.0 to 7.0
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0.25 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0