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EN 1.4982 Stainless Steel vs. S39274 Stainless Steel

Both EN 1.4982 stainless steel and S39274 stainless steel are iron alloys. 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 (3, 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 S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
17
Fatigue Strength, MPa 420
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 490
560
Tensile Strength: Ultimate (UTS), MPa 750
900
Tensile Strength: Yield (Proof), MPa 570
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 540
450
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.9
4.3
Embodied Energy, MJ/kg 71
60
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 19
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 830
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 3.4
4.2
Thermal Shock Resistance, points 17
25

Alloy Composition

Boron (B), % 0.0030 to 0.0090
0
Carbon (C), % 0.070 to 0.13
0 to 0.030
Chromium (Cr), % 14 to 16
24 to 26
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 61.8 to 69.7
57 to 65.6
Manganese (Mn), % 5.5 to 7.0
0 to 1.0
Molybdenum (Mo), % 0.8 to 1.2
2.5 to 3.5
Nickel (Ni), % 9.0 to 11
6.0 to 8.0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0 to 0.1
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Vanadium (V), % 0.15 to 0.4
0