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EN 1.4021 Stainless Steel vs. ASTM A356 Grade 10

Both EN 1.4021 stainless steel and ASTM A356 grade 10 are iron alloys. They have 89% of their average alloy composition in common. There are 30 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 1.4021 stainless steel and the bottom bar is ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 240 to 380
300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 630 to 880
670
Tensile Strength: Yield (Proof), MPa 390 to 670
430

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 760
460
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.8
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 100
59

Common Calculations

PREN (Pitting Resistance) 13
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
480
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 31
24
Strength to Weight: Bending, points 21 to 26
22
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 22 to 31
19

Alloy Composition

Carbon (C), % 0.16 to 0.25
0 to 0.2
Chromium (Cr), % 12 to 14
2.0 to 2.8
Iron (Fe), % 83.2 to 87.8
94.4 to 96.6
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030