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EN 1.4526 Stainless Steel vs. EN 1.4570 Stainless Steel

Both EN 1.4526 stainless steel and EN 1.4570 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4526 stainless steel and the bottom bar is EN 1.4570 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
40
Fatigue Strength, MPa 230
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
410
Tensile Strength: Ultimate (UTS), MPa 540
610
Tensile Strength: Yield (Proof), MPa 330
210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 880
930
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 280
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 16 to 18
17 to 19
Copper (Cu), % 0
1.4 to 1.8
Iron (Fe), % 77.4 to 83.1
65 to 73.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.4
0 to 0.6
Nickel (Ni), % 0
8.0 to 10
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0 to 0.040
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35