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EN 1.7380 Steel vs. S44635 Stainless Steel

Both EN 1.7380 steel and S44635 stainless steel are iron alloys. They have 69% 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 170
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19 to 20
23
Fatigue Strength, MPa 200 to 230
390
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 330 to 350
450
Tensile Strength: Ultimate (UTS), MPa 540 to 550
710
Tensile Strength: Yield (Proof), MPa 290 to 330
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
4.4
Embodied Energy, MJ/kg 23
62
Embodied Water, L/kg 59
170

Common Calculations

PREN (Pitting Resistance) 5.6
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 98
150
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
810
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 20
25
Strength to Weight: Bending, points 19
23
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 15 to 16
23

Alloy Composition

Carbon (C), % 0.080 to 0.14
0 to 0.025
Chromium (Cr), % 2.0 to 2.5
24.5 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 96.6
61.5 to 68.5
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0 to 0.012
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8