MakeItFrom.com
Menu (ESC)

S41045 Stainless Steel vs. S30415 Stainless Steel

Both S41045 stainless steel and S30415 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 160
300
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 70
84
Shear Modulus, GPa 76
77
Shear Strength, MPa 280
470
Tensile Strength: Ultimate (UTS), MPa 430
670
Tensile Strength: Yield (Proof), MPa 230
330

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 740
940
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 29
21
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.1
Embodied Energy, MJ/kg 31
43
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
250
Resilience: Unit (Modulus of Resilience), kJ/m3 140
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 7.8
5.6
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 12 to 13
18 to 19
Iron (Fe), % 83.8 to 88
67.8 to 71.8
Manganese (Mn), % 0 to 1.0
0 to 0.8
Nickel (Ni), % 0 to 0.5
9.0 to 10
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0.12 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030