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EN 1.7710 Steel vs. S21603 Stainless Steel

Both EN 1.7710 steel and S21603 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7710 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
45
Fatigue Strength, MPa 500 to 620
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
690
Tensile Strength: Yield (Proof), MPa 800 to 1060
390

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 440
990
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 30
50
Embodied Water, L/kg 57
160

Common Calculations

PREN (Pitting Resistance) 4.5
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
25
Strength to Weight: Bending, points 27 to 30
22
Thermal Shock Resistance, points 27 to 31
15

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.030
Chromium (Cr), % 1.3 to 1.8
17.5 to 22
Iron (Fe), % 95.1 to 97
57.6 to 67.8
Manganese (Mn), % 0.6 to 1.0
7.5 to 9.0
Molybdenum (Mo), % 0.8 to 1.0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0