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EN 1.7233 Steel vs. EN 1.7338 Steel

Both EN 1.7233 steel and EN 1.7338 steel are iron alloys. Their average alloy composition is basically identical. 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 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 23
23
Fatigue Strength, MPa 270 to 530
220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 450 to 590
310
Tensile Strength: Ultimate (UTS), MPa 700 to 960
490
Tensile Strength: Yield (Proof), MPa 380 to 780
300

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 430
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
21
Embodied Water, L/kg 53
53

Common Calculations

PREN (Pitting Resistance) 3.3
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
97
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
240
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 34
17
Strength to Weight: Bending, points 22 to 28
18
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 21 to 28
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.39 to 0.45
0 to 0.15
Chromium (Cr), % 1.2 to 1.5
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.2 to 97.5
95.4 to 97.8
Manganese (Mn), % 0.4 to 0.7
0.3 to 0.6
Molybdenum (Mo), % 0.5 to 0.7
0.45 to 0.65
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.5 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.010