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ASTM A372 Grade G Steel vs. EN 1.4986 Stainless Steel

Both ASTM A372 grade G steel and EN 1.4986 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade G steel and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 22
18
Fatigue Strength, MPa 310 to 380
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 410 to 570
460
Tensile Strength: Ultimate (UTS), MPa 650 to 910
750
Tensile Strength: Yield (Proof), MPa 430 to 550
560

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
940
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.8
Embodied Energy, MJ/kg 20
67
Embodied Water, L/kg 49
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
26
Strength to Weight: Bending, points 21 to 27
23
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 19 to 27
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0.25 to 0.35
0.040 to 0.1
Chromium (Cr), % 0.4 to 0.65
15.5 to 17.5
Iron (Fe), % 97.4 to 98.4
59.4 to 66.6
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030