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EN 1.7233 Steel vs. EN 1.4109 Stainless Steel

Both EN 1.7233 steel and EN 1.4109 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7233 steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
19
Fatigue Strength, MPa 270 to 530
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 450 to 590
480
Tensile Strength: Ultimate (UTS), MPa 700 to 960
770
Tensile Strength: Yield (Proof), MPa 380 to 780
420

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
820
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
30
Embodied Water, L/kg 53
110

Common Calculations

PREN (Pitting Resistance) 3.3
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
28
Strength to Weight: Bending, points 22 to 28
24
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 21 to 28
28

Alloy Composition

Carbon (C), % 0.39 to 0.45
0.6 to 0.75
Chromium (Cr), % 1.2 to 1.5
14 to 16
Iron (Fe), % 96.2 to 97.5
80.7 to 85
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.7
0.4 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.015