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EN 1.4742 Stainless Steel vs. S30530 Stainless Steel

Both EN 1.4742 stainless steel and S30530 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4742 stainless steel and the bottom bar is S30530 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 180
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 370
410
Tensile Strength: Ultimate (UTS), MPa 600
590
Tensile Strength: Yield (Proof), MPa 300
230

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 1000
970
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 19
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
18
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 32
48
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
210
Resilience: Unit (Modulus of Resilience), kJ/m3 230
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 5.1
4.1
Thermal Shock Resistance, points 21
13

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 17 to 19
17 to 20.5
Copper (Cu), % 0
0.75 to 3.5
Iron (Fe), % 77.2 to 81.6
58.4 to 72.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0.75 to 1.5
Nickel (Ni), % 0
8.5 to 11.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.7 to 1.4
0.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030