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ASTM A372 Grade G Steel vs. EN 1.4865 Stainless Steel

Both ASTM A372 grade G steel and EN 1.4865 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 30 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 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 22
6.8
Fatigue Strength, MPa 310 to 380
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 650 to 910
470
Tensile Strength: Yield (Proof), MPa 430 to 550
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1020
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.8
Embodied Energy, MJ/kg 20
81
Embodied Water, L/kg 49
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
27
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
16
Strength to Weight: Bending, points 21 to 27
17
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 19 to 27
11

Alloy Composition

Carbon (C), % 0.25 to 0.35
0.3 to 0.5
Chromium (Cr), % 0.4 to 0.65
18 to 21
Iron (Fe), % 97.4 to 98.4
34.4 to 44.7
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0
36 to 39
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.15 to 0.35
1.0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030