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AISI 205 Stainless Steel vs. EN 1.7706 Steel

Both AISI 205 stainless steel and EN 1.7706 steel are iron alloys. They have 68% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 51
17
Fatigue Strength, MPa 410 to 640
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
690
Tensile Strength: Yield (Proof), MPa 450 to 1100
500

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.7
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 37
32
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 23
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
110
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 29 to 52
24
Strength to Weight: Bending, points 25 to 37
22
Thermal Shock Resistance, points 16 to 29
20

Alloy Composition

Carbon (C), % 0.12 to 0.25
0.15 to 0.2
Chromium (Cr), % 16.5 to 18.5
1.2 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.6 to 68.1
94.7 to 97.1
Manganese (Mn), % 14 to 15.5
0.5 to 0.9
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 1.0 to 1.7
0 to 0.4
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3