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S21603 Stainless Steel vs. EN 1.4742 Stainless Steel

Both S21603 stainless steel and EN 1.4742 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
17
Fatigue Strength, MPa 360
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 490
370
Tensile Strength: Ultimate (UTS), MPa 690
600
Tensile Strength: Yield (Proof), MPa 390
300

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
1000
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.6
2.2
Embodied Energy, MJ/kg 50
32
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 34
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
84
Resilience: Unit (Modulus of Resilience), kJ/m3 380
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 17.5 to 22
17 to 19
Iron (Fe), % 57.6 to 67.8
77.2 to 81.6
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
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015