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EN 1.4419 Stainless Steel vs. S42030 Stainless Steel

Both EN 1.4419 stainless steel and S42030 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4419 stainless steel and the bottom bar is S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 17
16
Fatigue Strength, MPa 230 to 680
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 410 to 950
410
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
670
Tensile Strength: Yield (Proof), MPa 370 to 1240
410

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 790
780
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
28
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.5
Embodied Energy, MJ/kg 30
34
Embodied Water, L/kg 110
110

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
92
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 57
24
Strength to Weight: Bending, points 22 to 39
22
Thermal Diffusivity, mm2/s 8.1
7.7
Thermal Shock Resistance, points 23 to 55
24

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.3
Chromium (Cr), % 13 to 14.5
12 to 14
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 82 to 86
77.6 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.6 to 1.0
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030