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S21460 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S21460 stainless steel and EN 1.4378 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is S21460 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
14 to 34
Fatigue Strength, MPa 390
340 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 580
510 to 680
Tensile Strength: Ultimate (UTS), MPa 830
760 to 1130
Tensile Strength: Yield (Proof), MPa 430
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 920
910
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
12
Density, g/cm3 7.6
7.6
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
39
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 25
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 460
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
28 to 41
Strength to Weight: Bending, points 26
24 to 31
Thermal Shock Resistance, points 17
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 57.3 to 63.7
61.2 to 69
Manganese (Mn), % 14 to 16
11.5 to 14.5
Nickel (Ni), % 5.0 to 6.0
2.3 to 3.7
Nitrogen (N), % 0.35 to 0.5
0.2 to 0.4
Phosphorus (P), % 0 to 0.060
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030