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EN 1.4405 Stainless Steel vs. EN 1.7361 Steel

Both EN 1.4405 stainless steel and EN 1.7361 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 81% of their average alloy composition in common. There are 31 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 1.4405 stainless steel and the bottom bar is EN 1.7361 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11
Fatigue Strength, MPa 370
480
Impact Strength: V-Notched Charpy, J 68
31
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 860
1010
Tensile Strength: Yield (Proof), MPa 610
780

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
470
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.7
Embodied Energy, MJ/kg 39
22
Embodied Water, L/kg 130
60

Common Calculations

PREN (Pitting Resistance) 20
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 950
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
36
Strength to Weight: Bending, points 26
29
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 29
29

Alloy Composition

Carbon (C), % 0 to 0.060
0.28 to 0.35
Chromium (Cr), % 15 to 17
2.8 to 3.3
Iron (Fe), % 73.6 to 80.3
94.1 to 96.2
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0.7 to 1.5
0.3 to 0.5
Nickel (Ni), % 4.0 to 6.0
0 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035