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Stainless Steel 1.4837 vs ZG1Cr18Ni9Ti

Stainless Steel · grade comparison

Stainless Steel 1.4837 and ZG1Cr18Ni9Ti are both stainless steel grades. 1.4837 is the stronger of the two: yield strength 265 MPa (38.4 ksi) against 245 MPa (35.5 ksi) for ZG1Cr18Ni9Ti, about 8% more. In exchange, ZG1Cr18Ni9Ti is the more ductile: elongation 38% versus 12% for 1.4837, and 1.4837 is harder (190 HB vs 150 HB). 1.4837 runs hotter in service (1,050°C vs 800°C continuous) and ZG1Cr18Ni9Ti conducts electricity better (2.3 % IACS vs 1.9 % IACS). On the shop floor, ZG1Cr18Ni9Ti machines more easily (fair vs poor) and ZG1Cr18Ni9Ti welds better (very good vs fair).

1.4837Choose it when strength drives the design, or when the part sees heat.

ZG1Cr18Ni9TiChoose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

1.4837 vs ZG1Cr18Ni9Ti: properties

1.4837ZG1Cr18Ni9Ti

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

185 GPa26.8 Msi
193 GPa28 Msi

Shear Modulus

72 GPa10.4 Msi
75 GPa10.9 Msi

Bulk Modulus

150 GPa21.8 Msi
145 GPa21 Msi

Tensile Strength (Ultimate)

520 MPa75.4 ksi
500 MPa72.5 ksi

Yield Strength (0.2% offset)

265 MPa38.4 ksi
245 MPa35.5 ksi

Elongation at Break

12%
38%

Reduction in Area

15%
50%

Compressive Strength

270 MPa39.2 ksi
250 MPa36.3 ksi

Shear Strength

340 MPa49.3 ksi
330 MPa47.9 ksi

Charpy V-Notch Impact (RT)

15 J11.1 ft·lbf
80 J59 ft·lbf

Hardness, Brinell

190 HB
150 HB

Hardness, Rockwell B

92 HRB
80 HRB

Hardness, Vickers

200 HV
158 HV

Fracture Toughness (K_IC)

—
150 MPa·√m137 ksi·√in

Same in both: Poisson's Ratio 0.29 · Fatigue Strength (Endurance Limit) 200 MPa29 ksi

Physical

Density and transition temperatures.

Density

7.7 g/cm³0.28 lb/in³
7.75 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,370°C2,498 °F
1,400°C2,552 °F

Liquidus Temperature

1,420°C2,588 °F
1,450°C2,642 °F

Thermal

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

Thermal Conductivity

14.5 W/m·K8.4 BTU/hr·ft·°F
16 W/m·K9.2 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

16 µm/m·K8.9 µin/in·°F
16.5 µm/m·K9.2 µin/in·°F

Max Service Temperature (continuous)

1,050°C1,922 °F
800°C1,472 °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

1.9 % IACS
2.3 % IACS

Electrical Resistivity

9×10⁻⁷ Ω·m35.4 µΩ·in
7.5×10⁻⁷ Ω·m29.5 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.15 V
-0.05 V

Same in both: Corrosion Resistance 62 / 100

Manufacturability

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

Machinability

22 / 100
35 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
40%

Weldability

40 / 100
75 / 100

Formability (cold)

12 / 100
25 / 100

Castability

72 / 100
70 / 100

Polishability

40 / 100
60 / 100

Brazeability / Solderability

—
55 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

58 MJ/kg24,936 BTU/lb
53 MJ/kg22,786 BTU/lb

Embodied Carbon (primary production)

4.3 kg CO₂/kg
4.5 kg CO₂/kg

Embodied Water

200 L/kg24 gal/lb
130 L/kg15.6 gal/lb

Same in both: Typical Recycled Content 70%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

68 kN·m/kg
65 kN·m/kg

Specific Stiffness (E / density)

24 MN·m/kg
24.9 MN·m/kg

Modulus of Resilience

190 kJ/m³
156 kJ/m³

Thermal Diffusivity

3.8 mm²/s
4.1 mm²/s

Same in both: Thermal Shock Resistance Index 3

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 scale1.4837ZG1Cr18Ni9Ti

Manufacturing and finishing

Capability1.4837ZG1Cr18Ni9Ti
Default condition——
Relative cost$$$ Premium$$$ 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.

1.4837 vs ZG1Cr18Ni9Ti — frequently asked

Is 1.4837 stronger than ZG1Cr18Ni9Ti?

Yes. 1.4837 has a typical yield strength of 265 MPa (38.4 ksi) against 245 MPa (35.5 ksi) for ZG1Cr18Ni9Ti — about 8% more. Tensile strength is 520 MPa (75.4 ksi) vs 500 MPa (72.5 ksi).

Which is cheaper, 1.4837 or ZG1Cr18Ni9Ti?

Both sit in the same relative cost tier ($$$, premium); the part price will be decided by machining time, tolerance and quantity rather than by the material.

Which is easier to machine, 1.4837 or ZG1Cr18Ni9Ti?

ZG1Cr18Ni9Ti. Its machinability rates fair (35/100) against poor (22/100) for 1.4837; for welding the order is ZG1Cr18Ni9Ti first (very good, 75/100) then 1.4837 (fair, 40/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in 1.4837 and ZG1Cr18Ni9Ti 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.