FabDigit

P355GH vs P265GH and 2 more: properties

P355GHP265GHA285A210

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
211 GPa30.6 Msi
200 GPa29 Msi
205 GPa29.7 Msi

Shear Modulus

81 GPa11.7 Msi
81 GPa11.7 Msi
79 GPa11.5 Msi
80 GPa11.6 Msi

Poisson's Ratio

0.29
0.3
0.29
0.29

Tensile Strength (Ultimate)

550 MPa79.8 ksi
465 MPa67.4 ksi
450 MPa65.3 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

385 MPa55.8 ksi
295 MPa42.8 ksi
250 MPa36.3 ksi
300 MPa43.5 ksi

Elongation at Break

24%
26%
30%
35%

Reduction in Area

50%
52%
55%
58%

Compressive Strength

385 MPa55.8 ksi
295 MPa42.8 ksi
250 MPa36.3 ksi
300 MPa43.5 ksi

Shear Strength

340 MPa49.3 ksi
280 MPa40.6 ksi
290 MPa42.1 ksi
285 MPa41.3 ksi

Fatigue Strength (Endurance Limit)

245 MPa35.5 ksi
205 MPa29.7 ksi
200 MPa29 ksi
215 MPa31.2 ksi

Fracture Toughness (K_IC)

100 MPa·√m91 ksi·√in
100 MPa·√m91 ksi·√in
100 MPa·√m91 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

70 J51.6 ft·lbf
70 J51.6 ft·lbf
40 J29.5 ft·lbf
55 J40.6 ft·lbf

Hardness, Brinell

165 HB
140 HB
130 HB
130 HB

Hardness, Rockwell B

85 HRB
76 HRB
72 HRB
72 HRB

Hardness, Vickers

173 HV
147 HV
137 HV

Same in both: Bulk Modulus 160 GPa23.2 Msi

Physical

Density and transition temperatures.

Melting Point (Solidus)

1,460°C2,660 °F
1,495°C2,723 °F
1,460°C2,660 °F
1,425°C2,597 °F

Liquidus Temperature

1,510°C2,750 °F
1,520°C2,768 °F
1,515°C2,759 °F
1,500°C2,732 °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

48 W/m·K27.7 BTU/hr·ft·°F
50 W/m·K28.9 BTU/hr·ft·°F
51 W/m·K29.5 BTU/hr·ft·°F
50 W/m·K28.9 BTU/hr·ft·°F

Specific Heat Capacity

461 J/kg·K0.11 BTU/lb·°F
461 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F
480 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F
12 µm/m·K6.7 µin/in·°F
11.9 µm/m·K6.6 µin/in·°F

Latent Heat of Fusion

260 J/g112 BTU/lb
270 J/g116 BTU/lb
250 J/g107 BTU/lb
247 J/g106 BTU/lb

Max Service Temperature (continuous)

380°C716 °F
400°C752 °F
425°C797 °F
425°C797 °F

Min Service Temperature

-10°C14 °F
-10°C14 °F
-29°C-20 °F
-29°C-20 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

8.2 % IACS
10 % IACS
10.8 % IACS
10 % IACS

Electrical Resistivity

2.1×10⁻⁷ Ω·m8.27 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in
1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.62 V
-0.62 V
-0.62 V
-0.61 V

Corrosion Resistance

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

Manufacturability

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

Machinability

58 / 100
66 / 100
68 / 100
62 / 100

Machinability Rating (AISI 1212 = 100 %)

62%
63%
65%
65%

Weldability

85 / 100
90 / 100
92 / 100
85 / 100

Formability (cold)

64 / 100
76 / 100
82 / 100
70 / 100

Brazeability / Solderability

50 / 100
70 / 100
60 / 100
60 / 100

Polishability

45 / 100
50 / 100
40 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 BTU/lb
25 MJ/kg10,748 BTU/lb
29 MJ/kg12,468 BTU/lb

Embodied Carbon (primary production)

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

Embodied Water

40 L/kg4.8 gal/lb
40 L/kg4.8 gal/lb
30 L/kg3.6 gal/lb
45 L/kg5.4 gal/lb

Same in both: Typical Recycled Content 25%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

70 kN·m/kg
59 kN·m/kg
57 kN·m/kg
60 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
26.9 MN·m/kg
25.5 MN·m/kg
26.1 MN·m/kg

Modulus of Resilience

353 kJ/m³
206 kJ/m³
156 kJ/m³
220 kJ/m³

Thermal Diffusivity

13.3 mm²/s
13.8 mm²/s
13.8 mm²/s
13.3 mm²/s

Thermal Shock Resistance Index

10
9
10
10

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 scaleP265GHA285P355GHA210

Manufacturing and finishing

CapabilityP355GHP265GHA285A210
CNC machiningYesYesYes
Sheet metalYesYesYes
Default conditionHRHRHR
Relative cost$$ Standard$$ Standard$$ Standard$ 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 P355GH and P265GH 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.