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EN 1.4508 Stainless Steel vs. S30435 Stainless Steel

Both EN 1.4508 stainless steel and S30435 stainless steel are iron alloys. They have a moderately high 92% 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 1.4508 stainless steel and the bottom bar is S30435 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
51
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 570
510
Tensile Strength: Yield (Proof), MPa 260
170

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.9
Embodied Energy, MJ/kg 55
40
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 32
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
77
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 17
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 18 to 20
16 to 18
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 61.2 to 69.9
66.9 to 75.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
7.0 to 9.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030