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EN 1.4434 Stainless Steel vs. S30530 Stainless Steel

Both EN 1.4434 stainless steel and S30530 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4434 stainless steel and the bottom bar is S30530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
46
Fatigue Strength, MPa 270
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 450
410
Tensile Strength: Ultimate (UTS), MPa 660
590
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 980
970
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 57
48
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 32
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 16.5 to 19.5
17 to 20.5
Copper (Cu), % 0
0.75 to 3.5
Iron (Fe), % 59.2 to 69.9
58.4 to 72.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0.75 to 1.5
Nickel (Ni), % 10.5 to 14
8.5 to 11.5
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030