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EN 1.4525 Stainless Steel vs. EN 1.4837 Stainless Steel

Both EN 1.4525 stainless steel and EN 1.4837 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is EN 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.6 to 13
6.8
Fatigue Strength, MPa 480 to 540
120
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
500
Tensile Strength: Yield (Proof), MPa 840 to 1120
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 860
1050
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 18
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
18
Strength to Weight: Bending, points 29 to 33
18
Thermal Diffusivity, mm2/s 4.7
3.7
Thermal Shock Resistance, points 34 to 41
11

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.5
Chromium (Cr), % 15 to 17
24 to 27
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
53.4 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.8
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
11 to 14
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030