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EN 1.7380 Steel vs. S44536 Stainless Steel

Both EN 1.7380 steel and S44536 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 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 1.7380 steel and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
22
Fatigue Strength, MPa 200 to 230
190
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Shear Strength, MPa 330 to 350
290
Tensile Strength: Ultimate (UTS), MPa 540 to 550
460
Tensile Strength: Yield (Proof), MPa 290 to 330
280

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
990
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 59
140

Common Calculations

PREN (Pitting Resistance) 5.6
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
89
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 11
5.6
Thermal Shock Resistance, points 15 to 16
16

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.015
Chromium (Cr), % 2.0 to 2.5
20 to 23
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
72.8 to 80
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.8
Nitrogen (N), % 0 to 0.012
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0 to 0.8