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EN 1.4410 Stainless Steel vs. EN 1.7703 Steel

Both EN 1.4410 stainless steel and EN 1.7703 steel are iron alloys. They have 66% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4410 stainless steel and the bottom bar is EN 1.7703 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 24
20
Fatigue Strength, MPa 410
320 to 340
Impact Strength: V-Notched Charpy, J 90
46
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 540
420 to 430
Tensile Strength: Ultimate (UTS), MPa 850
670 to 690
Tensile Strength: Yield (Proof), MPa 600
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
4.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
2.5
Embodied Energy, MJ/kg 56
35
Embodied Water, L/kg 180
61

Common Calculations

PREN (Pitting Resistance) 42
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 880
570 to 650
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 23
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.11 to 0.15
Chromium (Cr), % 24 to 26
2.0 to 2.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 58.1 to 66.8
94.6 to 96.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.5
0.9 to 1.1
Nickel (Ni), % 6.0 to 8.0
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0.24 to 0.35
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35