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ASTM A387 Grade 9 Steel vs. EN 1.4876 Stainless Steel

Both ASTM A387 grade 9 steel and EN 1.4876 stainless steel are iron alloys. They have 55% 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 ASTM A387 grade 9 steel and the bottom bar is EN 1.4876 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 21
33
Fatigue Strength, MPa 160 to 240
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 310 to 380
370
Tensile Strength: Ultimate (UTS), MPa 500 to 600
570
Tensile Strength: Yield (Proof), MPa 230 to 350
190

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
5.3
Embodied Energy, MJ/kg 28
76
Embodied Water, L/kg 87
200

Common Calculations

PREN (Pitting Resistance) 12
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18 to 21
20
Strength to Weight: Bending, points 18 to 20
19
Thermal Diffusivity, mm2/s 6.9
3.2
Thermal Shock Resistance, points 14 to 17
14

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 8.0 to 10
19 to 23
Iron (Fe), % 87.1 to 90.8
38.6 to 50.7
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
30 to 34
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0 to 0.040
0