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S44625 Stainless Steel vs. EN 1.4542 Stainless Steel

Both S44625 stainless steel and EN 1.4542 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is S44625 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, % 22
5.7 to 20
Fatigue Strength, MPa 240
370 to 640
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 370
550 to 860
Tensile Strength: Ultimate (UTS), MPa 590
880 to 1470
Tensile Strength: Yield (Proof), MPa 360
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 14
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 39
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 310
880 to 4360
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
31 to 52
Strength to Weight: Bending, points 20
26 to 37
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 19
29 to 49

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.070
Chromium (Cr), % 25 to 27.5
15 to 17
Copper (Cu), % 0 to 0.2
3.0 to 5.0
Iron (Fe), % 69.4 to 74.3
69.6 to 79
Manganese (Mn), % 0 to 0.4
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.6
Nickel (Ni), % 0 to 0.5
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.015