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AISI 302B Stainless Steel vs. EN 1.4971 Stainless Steel

Both AISI 302B stainless steel and EN 1.4971 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 31 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 AISI 302B stainless steel and the bottom bar is EN 1.4971 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
240
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
34
Fatigue Strength, MPa 210
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
81
Shear Strength, MPa 410
530
Tensile Strength: Ultimate (UTS), MPa 580
800
Tensile Strength: Yield (Proof), MPa 230
340

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 410
570
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.0
7.6
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 140
300

Common Calculations

PREN (Pitting Resistance) 19
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.4
3.4
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.15
0.080 to 0.16
Chromium (Cr), % 17 to 19
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 65.7 to 73
24.3 to 37.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 8.0 to 10
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 2.0 to 3.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.0 to 3.0