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EN 1.4371 Stainless Steel vs. S21600 Stainless Steel

Both EN 1.4371 stainless steel and S21600 stainless steel are iron alloys. They have a moderately high 92% 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 EN 1.4371 stainless steel and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45 to 51
46
Fatigue Strength, MPa 290 to 340
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 520 to 540
500
Tensile Strength: Ultimate (UTS), MPa 740 to 750
710
Tensile Strength: Yield (Proof), MPa 320 to 340
390

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
990
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 38
50
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
270
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16 to 17.5
17.5 to 22
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
57.6 to 67.8
Manganese (Mn), % 6.0 to 8.0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.5 to 5.5
5.0 to 7.0
Nitrogen (N), % 0.15 to 0.25
0.25 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030