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EN 1.4958 Stainless Steel vs. EN 1.7383 Steel

Both EN 1.4958 stainless steel and EN 1.7383 steel are iron alloys. They have 49% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20 to 23
Fatigue Strength, MPa 170
210 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 430
350 to 380
Tensile Strength: Ultimate (UTS), MPa 630
560 to 610
Tensile Strength: Yield (Proof), MPa 190
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1090
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.9
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
1.8
Embodied Energy, MJ/kg 75
23
Embodied Water, L/kg 200
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 95
240 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
20 to 22
Strength to Weight: Bending, points 20
19 to 20
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
16 to 18

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0 to 0.040
Carbon (C), % 0.030 to 0.080
0.080 to 0.15
Chromium (Cr), % 19 to 22
2.0 to 2.5
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 41.1 to 50.6
94.3 to 96.6
Manganese (Mn), % 0 to 1.5
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 30 to 32.5
0 to 0.3
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.2 to 0.5
0