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EN 1.7376 Steel vs. EN 1.4589 Stainless Steel

Both EN 1.7376 steel and EN 1.4589 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 30 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 1.7376 steel and the bottom bar is EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
17
Fatigue Strength, MPa 320
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710
650
Tensile Strength: Yield (Proof), MPa 460
440

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 11
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.4
Embodied Energy, MJ/kg 29
34
Embodied Water, L/kg 88
110

Common Calculations

PREN (Pitting Resistance) 12
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
96
Resilience: Unit (Modulus of Resilience), kJ/m3 560
490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 6.9
6.7
Thermal Shock Resistance, points 20
23

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.080
Chromium (Cr), % 8.0 to 10
13.5 to 15.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
78.2 to 85
Manganese (Mn), % 0.35 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0.2 to 1.2
Nickel (Ni), % 0 to 0.4
1.0 to 2.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.3 to 0.5
Vanadium (V), % 0 to 0.050
0