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SAE-AISI 9260 Steel vs. EN 1.0070 Steel

Both SAE-AISI 9260 steel and EN 1.0070 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is SAE-AISI 9260 steel and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
9.1
Fatigue Strength, MPa 260
210
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 420
440
Tensile Strength: Ultimate (UTS), MPa 660
740
Tensile Strength: Yield (Proof), MPa 380
350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 45
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
56
Resilience: Unit (Modulus of Resilience), kJ/m3 380
320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
23

Alloy Composition

Carbon (C), % 0.56 to 0.64
0
Iron (Fe), % 96.1 to 96.9
99.876 to 100
Manganese (Mn), % 0.75 to 1.0
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0 to 0.035
0 to 0.055
Silicon (Si), % 1.8 to 2.2
0
Sulfur (S), % 0 to 0.040
0 to 0.055