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EN 1.7383 Steel vs. EN 1.4988 Stainless Steel

Both EN 1.7383 steel and EN 1.4988 stainless steel are iron alloys. They have 70% 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 1.7383 steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 23
34
Fatigue Strength, MPa 210 to 270
230
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 350 to 380
430
Tensile Strength: Ultimate (UTS), MPa 560 to 610
640
Tensile Strength: Yield (Proof), MPa 300 to 400
290

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
920
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.8
6.0
Embodied Energy, MJ/kg 23
89
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 5.6
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
23
Strength to Weight: Bending, points 19 to 20
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 16 to 18
14

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0.040 to 0.1
Chromium (Cr), % 2.0 to 2.5
15.5 to 17.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.3 to 96.6
62.1 to 69.5
Manganese (Mn), % 0.4 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
1.1 to 1.5
Nickel (Ni), % 0 to 0.3
12.5 to 14.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Vanadium (V), % 0
0.6 to 0.85