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S21603 Stainless Steel vs. S41050 Stainless Steel

Both S21603 stainless steel and S41050 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common. There are 30 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 S21603 stainless steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 360
160
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
77
Shear Modulus, GPa 79
76
Shear Strength, MPa 490
300
Tensile Strength: Ultimate (UTS), MPa 690
470
Tensile Strength: Yield (Proof), MPa 390
230

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 990
720
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 17
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 50
27
Embodied Water, L/kg 160
97

Common Calculations

PREN (Pitting Resistance) 34
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
98
Resilience: Unit (Modulus of Resilience), kJ/m3 380
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 22
17
Thermal Shock Resistance, points 15
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 17.5 to 22
10.5 to 12.5
Iron (Fe), % 57.6 to 67.8
84.2 to 88.9
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0.6 to 1.1
Nitrogen (N), % 0.25 to 0.5
0 to 0.1
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 0.030