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EN 1.4959 Stainless Steel vs. EN 1.7380 Steel

Both EN 1.4959 stainless steel and EN 1.7380 steel are iron alloys. They have 48% 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 1.4959 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
19 to 20
Fatigue Strength, MPa 170
200 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 430
330 to 350
Tensile Strength: Ultimate (UTS), MPa 630
540 to 550
Tensile Strength: Yield (Proof), MPa 190
290 to 330

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
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
1.8
Embodied Energy, MJ/kg 76
23
Embodied Water, L/kg 200
59

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 96
230 to 280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
19 to 20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
0
Carbon (C), % 0.050 to 0.1
0.080 to 0.14
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), % 39.4 to 50.5
94.6 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 34
0
Nitrogen (N), % 0 to 0.030
0 to 0.012
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.25 to 0.65
0