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S20910 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both S20910 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 60% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
25
Fatigue Strength, MPa 310 to 460
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 500 to 570
320 to 390
Tensile Strength: Ultimate (UTS), MPa 780 to 940
500 to 600
Tensile Strength: Yield (Proof), MPa 430 to 810
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
430
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.6
Embodied Energy, MJ/kg 68
21
Embodied Water, L/kg 180
53

Common Calculations

PREN (Pitting Resistance) 34
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
18 to 21
Strength to Weight: Bending, points 24 to 27
18 to 20
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 17 to 21
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.17
Chromium (Cr), % 20.5 to 23.5
1.0 to 1.5
Iron (Fe), % 52.1 to 62.1
96.2 to 97.6
Manganese (Mn), % 4.0 to 6.0
0.4 to 0.65
Molybdenum (Mo), % 1.5 to 3.0
0.45 to 0.65
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0.5 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants