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EN 1.1203 Steel vs. EN 1.6570 Steel

Both EN 1.1203 steel and EN 1.6570 steel are iron alloys. They have a very high 97% 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 EN 1.1203 steel and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 15
11 to 17
Fatigue Strength, MPa 210 to 310
500 to 660
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 690 to 780
910 to 1130
Tensile Strength: Yield (Proof), MPa 340 to 480
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
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 48
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
23
Embodied Water, L/kg 47
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 100
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 610
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 28
32 to 40
Strength to Weight: Bending, points 22 to 24
27 to 31
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 22 to 25
27 to 33

Alloy Composition

Carbon (C), % 0.52 to 0.6
0.28 to 0.35
Chromium (Cr), % 0 to 0.4
1.0 to 1.4
Iron (Fe), % 97.1 to 98.9
94 to 96.2
Manganese (Mn), % 0.6 to 0.9
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.3 to 0.5
Nickel (Ni), % 0 to 0.4
1.6 to 2.1
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.015