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EN 1.4912 Stainless Steel vs. EN 1.5522 Steel

Both EN 1.4912 stainless steel and EN 1.5522 steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4912 stainless steel and the bottom bar is EN 1.5522 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 21
Fatigue Strength, MPa 200
210 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420
320 to 380
Tensile Strength: Ultimate (UTS), MPa 610
450 to 1490
Tensile Strength: Yield (Proof), MPa 230
300 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 55
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
45 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 130
250 to 720
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
16 to 53
Strength to Weight: Bending, points 20
17 to 37
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 14
13 to 44

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.040 to 0.1
0.2 to 0.24
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 64.6 to 73.6
98 to 98.9
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025