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EN 1.4525 Stainless Steel vs. S64512 Stainless Steel

Both EN 1.4525 stainless steel and S64512 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.6 to 13
17
Fatigue Strength, MPa 480 to 540
540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
1140
Tensile Strength: Yield (Proof), MPa 840 to 1120
890

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 860
750
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
28
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 39
47
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
2020
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
40
Strength to Weight: Bending, points 29 to 33
31
Thermal Diffusivity, mm2/s 4.7
7.5
Thermal Shock Resistance, points 34 to 41
42

Alloy Composition

Carbon (C), % 0 to 0.070
0.080 to 0.15
Chromium (Cr), % 15 to 17
11 to 12.5
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
80.6 to 84.7
Manganese (Mn), % 0 to 1.0
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.8
1.5 to 2.0
Nickel (Ni), % 3.5 to 5.5
2.0 to 3.0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.010 to 0.050
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4