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S82012 Stainless Steel vs. EN 1.4951 Stainless Steel

Both S82012 stainless steel and EN 1.4951 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
38
Fatigue Strength, MPa 480
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
79
Shear Strength, MPa 550
430
Tensile Strength: Ultimate (UTS), MPa 800
630
Tensile Strength: Yield (Proof), MPa 560
220

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
4.3
Embodied Energy, MJ/kg 35
61
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 24
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
190
Resilience: Unit (Modulus of Resilience), kJ/m3 790
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 23
14

Alloy Composition

Carbon (C), % 0 to 0.050
0.040 to 0.080
Chromium (Cr), % 19 to 20.5
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
49.1 to 57
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 0.8 to 1.5
19 to 22
Nitrogen (N), % 0.16 to 0.26
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.015