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S21603 Stainless Steel vs. EN 1.4369 Stainless Steel

Both S21603 stainless steel and EN 1.4369 stainless steel are iron alloys. They have a moderately high 94% 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 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 360
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 490
580
Tensile Strength: Ultimate (UTS), MPa 690
850
Tensile Strength: Yield (Proof), MPa 390
390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 990
940
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
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 50
43
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
280
Resilience: Unit (Modulus of Resilience), kJ/m3 380
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.15
Chromium (Cr), % 17.5 to 22
17.5 to 19.5
Iron (Fe), % 57.6 to 67.8
63 to 70.2
Manganese (Mn), % 7.5 to 9.0
5.0 to 7.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
6.5 to 8.5
Nitrogen (N), % 0.25 to 0.5
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015