MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 9 Steel vs. EN 1.3961 Alloy

Both ASTM A387 grade 9 steel and EN 1.3961 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
31
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
72
Shear Strength, MPa 310 to 380
300
Tensile Strength: Ultimate (UTS), MPa 500 to 600
450
Tensile Strength: Yield (Proof), MPa 230 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.1
4.8
Embodied Energy, MJ/kg 28
66
Embodied Water, L/kg 87
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 310
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 18 to 21
15
Strength to Weight: Bending, points 18 to 20
16
Thermal Shock Resistance, points 14 to 17
130

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 8.0 to 10
0 to 0.25
Iron (Fe), % 87.1 to 90.8
60.7 to 65
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0 to 1.0
Nickel (Ni), % 0
35 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0 to 0.040
0