MakeItFrom.com
Menu (ESC)

EN 1.4361 Stainless Steel vs. EN 1.4303 Stainless Steel

Both EN 1.4361 stainless steel and EN 1.4303 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4361 stainless steel and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 43
13 to 49
Fatigue Strength, MPa 220
220 to 320
Impact Strength: V-Notched Charpy, J 90
91 to 98
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 440
420 to 540
Tensile Strength: Ultimate (UTS), MPa 630
590 to 900
Tensile Strength: Yield (Proof), MPa 250
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 940
940
Melting Completion (Liquidus), °C 1370
1420
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.2
Embodied Energy, MJ/kg 52
46
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21 to 32
Strength to Weight: Bending, points 21
20 to 26
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 15
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.060
Chromium (Cr), % 16.5 to 18.5
17 to 19
Iron (Fe), % 58.7 to 65.8
64.8 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 16
11 to 13
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 3.7 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015