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EN 1.4526 Stainless Steel vs. EN 1.4508 Stainless Steel

Both EN 1.4526 stainless steel and EN 1.4508 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 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 1.4526 stainless steel and the bottom bar is EN 1.4508 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 540
570
Tensile Strength: Yield (Proof), MPa 330
260

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 490
420
Maximum Temperature: Mechanical, °C 880
1000
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.0
Embodied Energy, MJ/kg 41
55
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 21
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 8.1
4.1
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16 to 18
18 to 20
Iron (Fe), % 77.4 to 83.1
61.2 to 69.9
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.4
3.0 to 3.5
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030