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EN 1.4301 Stainless Steel vs. ASTM A387 Grade 5 Steel

Both EN 1.4301 stainless steel and ASTM A387 grade 5 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 1.4301 stainless steel and the bottom bar is ASTM A387 grade 5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
20 to 21
Fatigue Strength, MPa 200 to 330
160 to 240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 430 to 550
310 to 380
Tensile Strength: Ultimate (UTS), MPa 610 to 900
500 to 600
Tensile Strength: Yield (Proof), MPa 220 to 570
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.7
Embodied Energy, MJ/kg 43
23
Embodied Water, L/kg 140
69

Common Calculations

PREN (Pitting Resistance) 19
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 220
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 820
140 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 32
18 to 21
Strength to Weight: Bending, points 20 to 27
18 to 20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14 to 20
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 17.5 to 19.5
4.0 to 6.0
Iron (Fe), % 66.8 to 74.5
92.1 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants