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EN 1.4411 Stainless Steel vs. EN 1.7376 Steel

Both EN 1.4411 stainless steel and EN 1.7376 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 88% 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 1.4411 stainless steel and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 370
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 870
710
Tensile Strength: Yield (Proof), MPa 600
460

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 880
600
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
26
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.1
Embodied Energy, MJ/kg 41
29
Embodied Water, L/kg 130
88

Common Calculations

PREN (Pitting Resistance) 22
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 920
560
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
25
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.6
6.9
Thermal Shock Resistance, points 28
20

Alloy Composition

Carbon (C), % 0 to 0.060
0.12 to 0.19
Chromium (Cr), % 15 to 17
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 73.1 to 79.5
86.2 to 90.6
Manganese (Mn), % 0 to 1.0
0.35 to 0.65
Molybdenum (Mo), % 1.5 to 2.0
0.9 to 1.2
Nickel (Ni), % 4.0 to 6.0
0 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0
0 to 0.050