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S82012 Stainless Steel vs. EN 1.4903 Stainless Steel

Both S82012 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20 to 21
Fatigue Strength, MPa 480
320 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Shear Strength, MPa 550
420
Tensile Strength: Ultimate (UTS), MPa 800
670 to 680
Tensile Strength: Yield (Proof), MPa 560
500

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 420
380
Maximum Temperature: Mechanical, °C 950
650
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
36
Embodied Water, L/kg 140
88

Common Calculations

PREN (Pitting Resistance) 24
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 790
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 3.9
7.0
Thermal Shock Resistance, points 23
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.050
0.080 to 0.12
Chromium (Cr), % 19 to 20.5
8.0 to 9.5
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 71.3 to 77.9
87.1 to 90.5
Manganese (Mn), % 2.0 to 4.0
0.3 to 0.6
Molybdenum (Mo), % 0.1 to 0.6
0.85 to 1.1
Nickel (Ni), % 0.8 to 1.5
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.16 to 0.26
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25