FabDigitFabDigit

Stainless Steel 1.4849 vs CG3M

Stainless Steel · grade comparison

Stainless Steel 1.4849 and CG3M are both stainless steel grades. CG3M is the stronger of the two: yield strength 275 MPa (39.9 ksi) against 250 MPa (36.3 ksi) for 1.4849, about 10% more; tensile strength follows at 530 MPa (76.9 ksi) vs 490 MPa (71.1 ksi). CG3M is the more ductile: elongation 40% versus 10% for 1.4849, and 1.4849 is harder (180 HB vs 150 HB). CG3M is stiffer (193 GPa vs 170 GPa) and 1.4849 runs hotter in service (1,050°C vs 425°C continuous). On the shop floor, CG3M machines more easily (fair vs poor), CG3M welds better (excellent vs good), and CG3M sits in a lower cost tier (premium, $$$) than 1.4849 (high, $$$$).

1.4849Choose it when the part sees heat.

CG3MChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

1.4849 vs CG3M: properties

1.4849CG3M

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

170 GPa24.7 Msi
193 GPa28 Msi

Shear Modulus

66 GPa9.6 Msi
77 GPa11.2 Msi

Bulk Modulus

140 GPa20.3 Msi
160 GPa23.2 Msi

Poisson's Ratio

0.29
0.3

Tensile Strength (Ultimate)

490 MPa71.1 ksi
530 MPa76.9 ksi

Yield Strength (0.2% offset)

250 MPa36.3 ksi
275 MPa39.9 ksi

Elongation at Break

10%
40%

Reduction in Area

10%
50%

Shear Strength

300 MPa43.5 ksi
370 MPa53.7 ksi

Fatigue Strength (Endurance Limit)

190 MPa27.6 ksi
220 MPa31.9 ksi

Charpy V-Notch Impact (RT)

20 J14.8 ft·lbf
100 J73.8 ft·lbf

Hardness, Brinell

180 HB
150 HB

Fracture Toughness (K_IC)

—
150 MPa·√m137 ksi·√in

Hardness, Rockwell B

—
80 HRB

Physical

Density and transition temperatures.

Density

7.9 g/cm³0.29 lb/in³
7.98 g/cm³0.29 lb/in³

Melting Point (Solidus)

1,320°C2,408 °F
1,400°C2,552 °F

Liquidus Temperature

1,385°C2,525 °F
1,450°C2,642 °F

Thermal

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

Thermal Conductivity

13.5 W/m·K7.8 BTU/hr·ft·°F
14.5 W/m·K8.4 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

15 µm/m·K8.3 µin/in·°F
16.2 µm/m·K9 µin/in·°F

Max Service Temperature (continuous)

1,050°C1,922 °F
425°C797 °F

Min Service Temperature

-50°C-58 °F
-196°C-321 °F

Same in both: Specific Heat Capacity 500 J/kg·K0.12 BTU/lb·°F · Latent Heat of Fusion 270 J/g116 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

1.7 % IACS
2.1 % IACS

Electrical Resistivity

1×10⁻⁶ Ω·m39.4 µΩ·in
8.2×10⁻⁷ Ω·m32.3 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

68 / 100
74 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.1 V

Manufacturability

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

Machinability

20 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

15%
38%

Weldability

55 / 100
85 / 100

Formability (cold)

5 / 100
25 / 100

Castability

72 / 100
70 / 100

Brazeability / Solderability

35 / 100
55 / 100

Polishability

45 / 100
60 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

80 MJ/kg34,394 BTU/lb
55 MJ/kg23,646 BTU/lb

Embodied Carbon (primary production)

6.2 kg CO₂/kg
4.5 kg CO₂/kg

Embodied Water

120 L/kg14.4 gal/lb
130 L/kg15.6 gal/lb

Typical Recycled Content

70%
75%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

62 kN·m/kg
66 kN·m/kg

Specific Stiffness (E / density)

21.5 MN·m/kg
24.2 MN·m/kg

Modulus of Resilience

184 kJ/m³
196 kJ/m³

Thermal Diffusivity

3.4 mm²/s
3.6 mm²/s

Thermal Shock Resistance Index

3
2

Strength versus weight

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

3005007001,0001,5002,0007.27.47.67.888.2Density (g/cm³)Yield strength (MPa) — log scale1.4849CG3M

Manufacturing and finishing

Capability1.4849CG3M
Default condition——
Relative cost$$$$ High$$$ Premium
Min. machined wall——
Best machined surface——

Both take the same 7 finishes: Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Pickling, Plasma Spray, Silver Plating.

1.4849 vs CG3M — frequently asked

Is CG3M stronger than 1.4849?

Yes. CG3M has a typical yield strength of 275 MPa (39.9 ksi) against 250 MPa (36.3 ksi) for 1.4849 — about 10% more. Tensile strength is 530 MPa (76.9 ksi) vs 490 MPa (71.1 ksi).

Which is cheaper, 1.4849 or CG3M?

CG3M is the lower-cost material: it sits in the premium tier ($$$) while 1.4849 is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, 1.4849 or CG3M?

CG3M. Its machinability rates fair (35/100) against poor (20/100) for 1.4849; for welding the order is CG3M first (excellent, 85/100) then 1.4849 (good, 55/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4849 and CG3M 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.