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EN 1.4982 Stainless Steel vs. S44725 Stainless Steel

Both EN 1.4982 stainless steel and S44725 stainless steel are iron alloys. They have 82% 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 1.4982 stainless steel and the bottom bar is S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
22
Fatigue Strength, MPa 420
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 490
320
Tensile Strength: Ultimate (UTS), MPa 750
500
Tensile Strength: Yield (Proof), MPa 570
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 540
500
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.9
3.1
Embodied Energy, MJ/kg 71
44
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 19
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
99
Resilience: Unit (Modulus of Resilience), kJ/m3 830
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 3.4
4.6
Thermal Shock Resistance, points 17
16

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.015
Chromium (Cr), % 14 to 16
25 to 28.5
Iron (Fe), % 61.8 to 69.7
67.6 to 73.5
Manganese (Mn), % 5.5 to 7.0
0 to 0.4
Molybdenum (Mo), % 0.8 to 1.2
1.5 to 2.5
Nickel (Ni), % 9.0 to 11
0 to 0.3
Niobium (Nb), % 0.75 to 1.3
0 to 0.26
Nitrogen (N), % 0 to 0.1
0 to 0.018
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.26
Vanadium (V), % 0.15 to 0.4
0