MakeItFrom.com
Menu (ESC)

EN 1.6570 Steel vs. ASTM A387 Grade 12 Steel

Both EN 1.6570 steel and ASTM A387 grade 12 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6570 steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 340
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
25
Fatigue Strength, MPa 500 to 660
190 to 230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 910 to 1130
470 to 520
Tensile Strength: Yield (Proof), MPa 760 to 1060
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 440
430
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 56
51

Common Calculations

PREN (Pitting Resistance) 2.5
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 140
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1520 to 3010
180 to 250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32 to 40
16 to 18
Strength to Weight: Bending, points 27 to 31
17 to 18
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 27 to 33
14 to 15

Alloy Composition

Carbon (C), % 0.28 to 0.35
0.050 to 0.17
Chromium (Cr), % 1.0 to 1.4
0.8 to 1.2
Iron (Fe), % 94 to 96.2
97 to 98.2
Manganese (Mn), % 0.6 to 1.0
0.4 to 0.65
Molybdenum (Mo), % 0.3 to 0.5
0.45 to 0.6
Nickel (Ni), % 1.6 to 2.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.6
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants