MakeItFrom.com
Menu (ESC)

EN 1.3956 Stainless Steel vs. S82121 Stainless Steel

Both EN 1.3956 stainless steel and S82121 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 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 EN 1.3956 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
28
Fatigue Strength, MPa 240
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 650
730
Tensile Strength: Yield (Proof), MPa 330
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1080
1020
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
40
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 34
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 18
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.035
Chromium (Cr), % 20.5 to 23.5
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 51.9 to 62.1
66.7 to 75.4
Manganese (Mn), % 4.0 to 6.0
1.0 to 2.5
Molybdenum (Mo), % 1.5 to 3.0
0.3 to 1.3
Nickel (Ni), % 11.5 to 13.5
2.0 to 4.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0