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EN 1.4525 Stainless Steel vs. SAE-AISI 1070 Steel

Both EN 1.4525 stainless steel and SAE-AISI 1070 steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
10 to 13
Fatigue Strength, MPa 480 to 540
270 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
640 to 760
Tensile Strength: Yield (Proof), MPa 840 to 1120
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
19
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
23 to 27
Strength to Weight: Bending, points 29 to 33
21 to 24
Thermal Diffusivity, mm2/s 4.7
14
Thermal Shock Resistance, points 34 to 41
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.070
0.65 to 0.75
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
98.3 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants