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EN 1.4306 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both EN 1.4306 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4306 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 45
25
Fatigue Strength, MPa 190 to 330
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400 to 550
320 to 390
Tensile Strength: Ultimate (UTS), MPa 580 to 900
500 to 600
Tensile Strength: Yield (Proof), MPa 210 to 570
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 960
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 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.6
Embodied Energy, MJ/kg 45
21
Embodied Water, L/kg 150
53

Common Calculations

PREN (Pitting Resistance) 20
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
18 to 21
Strength to Weight: Bending, points 20 to 27
18 to 20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.17
Chromium (Cr), % 18 to 20
1.0 to 1.5
Iron (Fe), % 64.8 to 72
96.2 to 97.6
Manganese (Mn), % 0 to 2.0
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 10 to 12
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 0.015
0 to 0.025

Comparable Variants