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EN 1.4903 +NT Steel vs. EN 1.7336 +NT Steel

Both EN 1.4903 +NT steel and EN 1.7336 +NT steel are iron alloys. Both are furnished in the normalized and tempered condition. They have a moderately high 92% 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 1.4903 +NT steel and the bottom bar is EN 1.7336 +NT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
22
Fatigue Strength, MPa 320
240
Impact Strength: V-Notched Charpy, J 42
39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 420
370
Tensile Strength: Ultimate (UTS), MPa 680
590
Tensile Strength: Yield (Proof), MPa 500
340

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 650
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 26
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 36
21
Embodied Water, L/kg 88
53

Common Calculations

PREN (Pitting Resistance) 13
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 650
310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 7.0
11
Thermal Shock Resistance, points 23
17

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0 to 0.17
Chromium (Cr), % 8.0 to 9.5
1.0 to 1.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 87.1 to 90.5
95.6 to 97.7
Manganese (Mn), % 0.3 to 0.6
0.4 to 0.65
Molybdenum (Mo), % 0.85 to 1.1
0.45 to 0.65
Nickel (Ni), % 0 to 0.4
0 to 0.3
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0.5 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0050
Vanadium (V), % 0.18 to 0.25
0