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S42030 Stainless Steel vs. EN 1.4542 Stainless Steel

Both S42030 stainless steel and EN 1.4542 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is S42030 stainless steel and the bottom bar is EN 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
5.7 to 20
Fatigue Strength, MPa 250
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 410
550 to 860
Tensile Strength: Ultimate (UTS), MPa 670
880 to 1470
Tensile Strength: Yield (Proof), MPa 410
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 780
860
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 34
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 440
880 to 4360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31 to 52
Strength to Weight: Bending, points 22
26 to 37
Thermal Diffusivity, mm2/s 7.7
4.3
Thermal Shock Resistance, points 24
29 to 49

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.070
Chromium (Cr), % 12 to 14
15 to 17
Copper (Cu), % 2.0 to 3.0
3.0 to 5.0
Iron (Fe), % 77.6 to 85
69.6 to 79
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.0 to 3.0
0 to 0.6
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015