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ASTM A387 Grade 12 Steel vs. EN 1.4828 Stainless Steel

Both ASTM A387 grade 12 steel and EN 1.4828 stainless steel are iron alloys. They have 67% 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 12 steel and the bottom bar is EN 1.4828 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
33
Fatigue Strength, MPa 190 to 230
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 330
430
Tensile Strength: Ultimate (UTS), MPa 470 to 520
650
Tensile Strength: Yield (Proof), MPa 260 to 310
260

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.4
Embodied Energy, MJ/kg 21
48
Embodied Water, L/kg 51
150

Common Calculations

PREN (Pitting Resistance) 2.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
23
Strength to Weight: Bending, points 17 to 18
22
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 14 to 15
14

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.2
Chromium (Cr), % 0.8 to 1.2
19 to 21
Iron (Fe), % 97 to 98.2
61.1 to 68.5
Manganese (Mn), % 0.4 to 0.65
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
11 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.4
1.5 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.015