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EN 1.4646 Stainless Steel vs. EN 1.7233 Steel

Both EN 1.4646 stainless steel and EN 1.7233 steel are iron alloys. They have 66% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18 to 23
Fatigue Strength, MPa 340
270 to 530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
450 to 590
Tensile Strength: Ultimate (UTS), MPa 750
700 to 960
Tensile Strength: Yield (Proof), MPa 430
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
430
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 160
53

Common Calculations

PREN (Pitting Resistance) 23
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 460
380 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
25 to 34
Strength to Weight: Bending, points 24
22 to 28
Thermal Shock Resistance, points 16
21 to 28

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.39 to 0.45
Chromium (Cr), % 17 to 19
1.2 to 1.5
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
96.2 to 97.5
Manganese (Mn), % 10.5 to 12.5
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.5 to 0.7
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035