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EN 1.7336 Steel vs. EN 1.8201 Steel

Both EN 1.7336 steel and EN 1.8201 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7336 steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
20
Fatigue Strength, MPa 240 to 310
310
Impact Strength: V-Notched Charpy, J 39 to 46
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 370
390
Tensile Strength: Ultimate (UTS), MPa 590
630
Tensile Strength: Yield (Proof), MPa 340 to 440
450

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
450
Melting Completion (Liquidus), °C 1460
1500
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
7.0
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
2.5
Embodied Energy, MJ/kg 21
36
Embodied Water, L/kg 53
59

Common Calculations

PREN (Pitting Resistance) 3.2
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 510
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.17
0.040 to 0.1
Chromium (Cr), % 1.0 to 1.5
1.9 to 2.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.6 to 97.7
93.6 to 96.2
Manganese (Mn), % 0.4 to 0.65
0.1 to 0.6
Molybdenum (Mo), % 0.45 to 0.65
0.050 to 0.3
Nickel (Ni), % 0 to 0.3
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0 to 0.012
0 to 0.015
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0.5 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3