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ASTM A372 Grade J Steel vs. EN 1.0255 Steel

Both ASTM A372 grade J steel and EN 1.0255 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 A372 grade J steel and the bottom bar is EN 1.0255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 310
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 22
27
Fatigue Strength, MPa 310 to 570
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 630
280
Tensile Strength: Ultimate (UTS), MPa 650 to 1020
430
Tensile Strength: Yield (Proof), MPa 430 to 850
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
40
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 51
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 1930
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 36
15
Strength to Weight: Bending, points 21 to 29
16
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 30
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0.35 to 0.5
0 to 0.16
Chromium (Cr), % 0.8 to 1.2
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.7 to 97.8
94.1 to 99.98
Manganese (Mn), % 0.75 to 1.1
0 to 1.2
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020