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EN 1.4762 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4762 stainless steel and S21800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% 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 1.4762 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13
40
Fatigue Strength, MPa 180
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 370
510
Tensile Strength: Ultimate (UTS), MPa 620
740
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1150
900
Melting Completion (Liquidus), °C 1410
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 490
500
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.6
7.5
Embodied Carbon, kg CO2/kg material 2.5
3.1
Embodied Energy, MJ/kg 37
45
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
250
Resilience: Unit (Modulus of Resilience), kJ/m3 250
390
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
26
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 22
17

Alloy Composition

Aluminum (Al), % 1.2 to 1.7
0
Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 23 to 26
16 to 18
Iron (Fe), % 69.7 to 75.1
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0.7 to 1.4
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030