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S41050 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both S41050 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S41050 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
25
Fatigue Strength, MPa 160
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 300
320 to 390
Tensile Strength: Ultimate (UTS), MPa 470
500 to 600
Tensile Strength: Yield (Proof), MPa 230
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 720
430
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 97
53

Common Calculations

PREN (Pitting Resistance) 12
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
18 to 21
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 17
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.040
0.050 to 0.17
Chromium (Cr), % 10.5 to 12.5
1.0 to 1.5
Iron (Fe), % 84.2 to 88.9
96.2 to 97.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0.6 to 1.1
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025