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EN 1.4570 Stainless Steel vs. EN 1.4035 Stainless Steel

Both EN 1.4570 stainless steel and EN 1.4035 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4570 stainless steel and the bottom bar is EN 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
18
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 610
690
Tensile Strength: Yield (Proof), MPa 210
400

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 930
760
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.0
7.8
Thermal Shock Resistance, points 14
25

Alloy Composition

Carbon (C), % 0 to 0.080
0.43 to 0.5
Chromium (Cr), % 17 to 19
12.5 to 14
Copper (Cu), % 1.4 to 1.8
0
Iron (Fe), % 65 to 73.5
82.1 to 86.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 8.0 to 10
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0.15 to 0.35