FabDigit

S275NL vs A283 and 2 more: properties

S275NLA283A36Q235B

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
200 GPa29 Msi
200 GPa29 Msi
206 GPa29.9 Msi

Shear Modulus

81 GPa11.7 Msi
79 GPa11.5 Msi
79.3 GPa11.5 Msi
79 GPa11.5 Msi

Bulk Modulus

166 GPa24.1 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi

Poisson's Ratio

0.3
0.29
0.29
0.3

Tensile Strength (Ultimate)

450 MPa65.3 ksi
420 MPa60.9 ksi
450 MPa65.3 ksi
420 MPa60.9 ksi

Yield Strength (0.2% offset)

320 MPa46.4 ksi
230 MPa33.4 ksi
260 MPa37.7 ksi
250 MPa36.3 ksi

Elongation at Break

29%
25%
22%
28%

Reduction in Area

62%
45%
50%
55%

Compressive Strength

320 MPa46.4 ksi
230 MPa33.4 ksi
260 MPa37.7 ksi
250 MPa36.3 ksi

Shear Strength

270 MPa39.2 ksi
270 MPa39.2 ksi
275 MPa39.9 ksi
260 MPa37.7 ksi

Fatigue Strength (Endurance Limit)

200 MPa29 ksi
190 MPa27.6 ksi
200 MPa29 ksi
190 MPa27.6 ksi

Fracture Toughness (K_IC)

140 MPa·√m127 ksi·√in
90 MPa·√m81.9 ksi·√in
100 MPa·√m91 ksi·√in
110 MPa·√m100 ksi·√in

Charpy V-Notch Impact (RT)

90 J66.4 ft·lbf
27 J19.9 ft·lbf
55 J40.6 ft·lbf
45 J33.2 ft·lbf

Hardness, Brinell

145 HB
120 HB
120 HB
120 HB

Hardness, Rockwell B

79 HRB
68 HRB
67 HRB
67 HRB

Hardness, Vickers

152 HV
126 HV
126 HV
126 HV

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,425°C2,597 °F
1,425°C2,597 °F
1,470°C2,678 °F
1,495°C2,723 °F

Liquidus Temperature

1,510°C2,750 °F
1,510°C2,750 °F
1,520°C2,768 °F
1,520°C2,768 °F

Same in both: Density 7.85 g/cm³0.28 lb/in³

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

47 W/m·K27.2 BTU/hr·ft·°F
51 W/m·K29.5 BTU/hr·ft·°F
51.9 W/m·K30 BTU/hr·ft·°F
50 W/m·K28.9 BTU/hr·ft·°F

Specific Heat Capacity

460 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F
486 J/kg·K0.12 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12 µm/m·K6.7 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F
11.7 µm/m·K6.5 µin/in·°F
12 µm/m·K6.7 µin/in·°F

Latent Heat of Fusion

270 J/g116 BTU/lb
247 J/g106 BTU/lb
247 J/g106 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

400°C752 °F
400°C752 °F
400°C752 °F
350°C662 °F

Min Service Temperature

-50°C-58 °F
-20°C-4 °F
-20°C-4 °F
-20°C-4 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

10 % IACS
10.8 % IACS
11 % IACS
10.8 % IACS

Electrical Resistivity

1.7×10⁻⁷ Ω·m6.69 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.65 V
-0.65 V
-0.65 V
-0.63 V

Corrosion Resistance

12 / 100
10 / 100
10 / 100
10 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

62 / 100
65 / 100
65 / 100
65 / 100

Machinability Rating (AISI 1212 = 100 %)

68%
70%
72%
70%

Weldability

92 / 100
95 / 100
95 / 100
95 / 100

Formability (cold)

72 / 100
78 / 100
80 / 100
85 / 100

Brazeability / Solderability

60 / 100
70 / 100
70 / 100
65 / 100

Polishability

40 / 100
45 / 100
40 / 100
40 / 100

Castability

40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Carbon (primary production)

2 kg CO₂/kg
1.9 kg CO₂/kg
2 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

40 L/kg4.8 gal/lb
40 L/kg4.8 gal/lb
40 L/kg4.8 gal/lb
30 L/kg3.6 gal/lb

Typical Recycled Content

30%
30%
40%
25%

Same in both: Embodied Energy (primary production) 25 MJ/kg10,748 BTU/lb

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

57 kN·m/kg
54 kN·m/kg
57 kN·m/kg
54 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
25.5 MN·m/kg
25.5 MN·m/kg
26.2 MN·m/kg

Modulus of Resilience

244 kJ/m³
132 kJ/m³
169 kJ/m³
152 kJ/m³

Thermal Diffusivity

13 mm²/s
13.8 mm²/s
13.6 mm²/s
13.6 mm²/s

Thermal Shock Resistance Index

8
9
10
8

Strength versus weight

Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scaleA283A36Q235BS275NL

Manufacturing and finishing

CapabilityS275NLA283A36Q235B
CNC machiningYesYesYes
Sheet metalYesYesYes
Default conditionHRHRHR
Relative cost$ Budget$ Budget$ Budget$ Budget
Min. machined wall0.8 mm0.8 mm0.8 mm
Best machined surfaceRa 1.6 µmRa 1.6 µmRa 1.6 µm
AlCrNYesYesYes
AlTiNYesYesYes
Black OxideYesYesYes
CVD Al2O3YesYesYes
CVD TiCNYesYesYes
CVD TiNYesYesYes
CerakoteYesYesYes
Chrome PlatingYesYesYes
CrNYesYesYes
DLCYesYesYes
E-CoatingYesYesYes
HVOF CoatingYesYesYes
Hot-Dip GalvanizingYesYesYes
MoS2YesYesYes
Multilayer CVDYesYesYes
Nickel PlatingYesYesYes
PTFE CoatingYesYesYes
PaintingYesYesYes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

Ready to make it?

Upload a CAD file and FabDigit prices the part in S275NL and A283 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.