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EN 1.4525 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both EN 1.4525 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 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 1.4525 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
25
Fatigue Strength, MPa 480 to 540
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
500 to 600
Tensile Strength: Yield (Proof), MPa 840 to 1120
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 860
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 130
53

Common Calculations

PREN (Pitting Resistance) 18
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 1820 to 3230
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
18 to 21
Strength to Weight: Bending, points 29 to 33
18 to 20
Thermal Diffusivity, mm2/s 4.7
11
Thermal Shock Resistance, points 34 to 41
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.070
0.050 to 0.17
Chromium (Cr), % 15 to 17
1.0 to 1.5
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
96.2 to 97.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.65
Molybdenum (Mo), % 0 to 0.8
0.45 to 0.65
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0.5 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants