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EN 1.4303 Stainless Steel vs. EN 1.4935 Stainless Steel

Both EN 1.4303 stainless steel and EN 1.4935 stainless steel are iron alloys. They have 82% 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 1.4303 stainless steel and the bottom bar is EN 1.4935 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 49
16 to 18
Fatigue Strength, MPa 220 to 320
350 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 420 to 540
480 to 540
Tensile Strength: Ultimate (UTS), MPa 590 to 900
780 to 880
Tensile Strength: Yield (Proof), MPa 230 to 560
570 to 670

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 940
740
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.9
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
830 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
28 to 31
Strength to Weight: Bending, points 20 to 26
24 to 26
Thermal Diffusivity, mm2/s 4.0
6.5
Thermal Shock Resistance, points 13 to 20
27 to 30

Alloy Composition

Carbon (C), % 0 to 0.060
0.17 to 0.24
Chromium (Cr), % 17 to 19
11 to 12.5
Iron (Fe), % 64.8 to 72
83 to 86.7
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 11 to 13
0.3 to 0.8
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35

Comparable Variants