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EN 1.4646 Stainless Steel vs. EN 1.1151 Steel

Both EN 1.4646 stainless steel and EN 1.1151 steel are iron alloys. They have 64% 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 1.4646 stainless steel and the bottom bar is EN 1.1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
21 to 26
Fatigue Strength, MPa 340
180 to 240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
300 to 330
Tensile Strength: Ultimate (UTS), MPa 750
460 to 520
Tensile Strength: Yield (Proof), MPa 430
240 to 340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
98 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460
160 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
16 to 18
Strength to Weight: Bending, points 24
17 to 18
Thermal Shock Resistance, points 16
15 to 16

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.17 to 0.24
Chromium (Cr), % 17 to 19
0 to 0.4
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
97.7 to 99.43
Manganese (Mn), % 10.5 to 12.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 3.5 to 4.5
0 to 0.4
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035