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EN 1.7233 Steel vs. EN 1.4307 Stainless Steel

Both EN 1.7233 steel and EN 1.4307 stainless steel are iron alloys. They have 73% 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 EN 1.7233 steel and the bottom bar is EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
180 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
14 to 46
Fatigue Strength, MPa 270 to 530
190 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 450 to 590
410 to 550
Tensile Strength: Ultimate (UTS), MPa 700 to 960
590 to 900
Tensile Strength: Yield (Proof), MPa 380 to 780
200 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.0
Embodied Energy, MJ/kg 21
43
Embodied Water, L/kg 53
140

Common Calculations

PREN (Pitting Resistance) 3.3
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
100 to 810
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
21 to 32
Strength to Weight: Bending, points 22 to 28
20 to 27
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 21 to 28
13 to 20

Alloy Composition

Carbon (C), % 0.39 to 0.45
0 to 0.030
Chromium (Cr), % 1.2 to 1.5
17.5 to 19.5
Iron (Fe), % 96.2 to 97.5
66.8 to 74.5
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015

Comparable Variants