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EN 1.4303 Stainless Steel vs. AISI 310 Stainless Steel

Both EN 1.4303 stainless steel and AISI 310 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 1.4303 stainless steel and the bottom bar is AISI 310 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
180 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 49
34 to 45
Fatigue Strength, MPa 220 to 320
240 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 420 to 540
420 to 470
Tensile Strength: Ultimate (UTS), MPa 590 to 900
600 to 710
Tensile Strength: Yield (Proof), MPa 230 to 560
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 940
1040
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
4.3
Embodied Energy, MJ/kg 46
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 19
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
21 to 25
Strength to Weight: Bending, points 20 to 26
20 to 22
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 13 to 20
14 to 17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.25
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 64.8 to 72
48.2 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 11 to 13
19 to 22
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030