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EN 1.4525 Stainless Steel vs. AISI 302B Stainless Steel

Both EN 1.4525 stainless steel and AISI 302B stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 AISI 302B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.6 to 13
45
Fatigue Strength, MPa 480 to 540
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
580
Tensile Strength: Yield (Proof), MPa 840 to 1120
230

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 860
930
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 18
17
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
21
Strength to Weight: Bending, points 29 to 33
20
Thermal Diffusivity, mm2/s 4.7
4.4
Thermal Shock Resistance, points 34 to 41
13

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 15 to 17
17 to 19
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
65.7 to 73
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
8.0 to 10
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.8
2.0 to 3.0
Sulfur (S), % 0 to 0.025
0 to 0.030