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EN 1.8509 Steel vs. S46910 Stainless Steel

Both EN 1.8509 steel and S46910 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 28 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 EN 1.8509 steel and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
270 to 630
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
2.2 to 11
Fatigue Strength, MPa 580
250 to 1020
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 680
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 1130
680 to 2470
Tensile Strength: Yield (Proof), MPa 940
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
810
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
18
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.1
Embodied Energy, MJ/kg 22
55
Embodied Water, L/kg 65
140

Common Calculations

PREN (Pitting Resistance) 2.6
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 2340
510 to 4780
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 40
24 to 86
Strength to Weight: Bending, points 31
22 to 51
Thermal Shock Resistance, points 33
23 to 84

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0.15 to 0.5
Carbon (C), % 0.38 to 0.45
0 to 0.030
Chromium (Cr), % 1.5 to 1.8
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 95.5 to 97.1
65 to 76
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.35
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2