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ASTM A387 Grade 11 Steel vs. EN 1.6982 Stainless Steel

Both ASTM A387 grade 11 steel and EN 1.6982 stainless steel are iron alloys. They have 84% 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 ASTM A387 grade 11 steel and the bottom bar is EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
17
Fatigue Strength, MPa 200 to 250
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 500 to 600
800
Tensile Strength: Yield (Proof), MPa 270 to 350
570

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 430
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.4
Embodied Energy, MJ/kg 21
33
Embodied Water, L/kg 53
110

Common Calculations

PREN (Pitting Resistance) 3.1
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
28
Strength to Weight: Bending, points 18 to 20
25
Thermal Diffusivity, mm2/s 11
6.6
Thermal Shock Resistance, points 15 to 18
29

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.050
Chromium (Cr), % 1.0 to 1.5
12 to 13.5
Iron (Fe), % 96.2 to 97.6
78.7 to 84.5
Manganese (Mn), % 0.4 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.7
Nickel (Ni), % 0
3.5 to 5.0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.5 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015