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Solder & Low-Melting Alloy Babbitt Grade 2 (Tin-Base) vs ZSnSb11-6

Solder & Low-Melting Alloy · grade comparison

Solder & Low-Melting Alloy Babbitt Grade 2 (Tin-Base) and ZSnSb11-6 are both solder & low-melting alloy grades. ZSnSb11-6 is the stronger of the two: yield strength 55 MPa (7.98 ksi) against 42 MPa (6.09 ksi) for Babbitt Grade 2 (Tin-Base), about 31% more; tensile strength follows at 90 MPa (13.1 ksi) vs 66 MPa (9.57 ksi). ZSnSb11-6 is the more ductile: elongation 6% versus 3% for Babbitt Grade 2 (Tin-Base), and ZSnSb11-6 is harder (30 HB vs 25 HB). Babbitt Grade 2 (Tin-Base) conducts heat better (55 W/m·K vs 34 W/m·K).

ZSnSb11-6Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

Babbitt Grade 2 (Tin-Base) vs ZSnSb11-6: properties

Babbitt Grade 2 (Tin-Base)ZSnSb11-6

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

53 GPa7.7 Msi
52 GPa7.5 Msi

Bulk Modulus

50 GPa7.3 Msi
52 GPa7.5 Msi

Tensile Strength (Ultimate)

66 MPa9.6 ksi
90 MPa13.1 ksi

Yield Strength (0.2% offset)

42 MPa6.1 ksi
55 MPa8 ksi

Elongation at Break

3%
6%

Compressive Strength

105 MPa15.2 ksi
95 MPa13.8 ksi

Shear Strength

40 MPa5.8 ksi
45 MPa6.5 ksi

Hardness, Brinell

25 HB
30 HB

Hardness, Vickers

26 HV
32 HV

Reduction in Area

—
8%

Same in both: Shear Modulus 20 GPa2.9 Msi · Poisson's Ratio 0.33 · Fatigue Strength (Endurance Limit) 27 MPa3.9 ksi · Charpy V-Notch Impact (RT) 3 J2.2 ft·lbf

Physical

Density and transition temperatures.

Density

7.39 g/cm³0.27 lb/in³
7.35 g/cm³0.27 lb/in³

Melting Point (Solidus)

241°C466 °F
240°C464 °F

Liquidus Temperature

354°C669 °F
370°C698 °F

Thermal

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

Thermal Conductivity

55 W/m·K31.8 BTU/hr·ft·°F
34 W/m·K19.6 BTU/hr·ft·°F

Specific Heat Capacity

230 J/kg·K0.05 BTU/lb·°F
225 J/kg·K0.05 BTU/lb·°F

Same in both: Thermal Expansion (CTE, 20–100 °C) 23 µm/m·K12.8 µin/in·°F · Latent Heat of Fusion 60 J/g25.8 BTU/lb · Max Service Temperature (continuous) 120°C248 °F · Min Service Temperature -50°C-58 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

8 % IACS
8.5 % IACS

Electrical Resistivity

2.1×10⁻⁷ Ω·m8.27 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

50 / 100
55 / 100

Same in both: Galvanic Potential (seawater, vs SCE) -0.5 V

Manufacturability

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

Machinability

85 / 100
92 / 100

Machinability Rating (AISI 1212 = 100 %)

80%
150%

Formability (cold)

20 / 100
25 / 100

Brazeability / Solderability

90 / 100
95 / 100

Same in both: Weldability 20 / 100 · Castability 95 / 100 · Polishability 70 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

260 MJ/kg111,780 BTU/lb
320 MJ/kg137,575 BTU/lb

Embodied Carbon (primary production)

17 kg CO₂/kg
19 kg CO₂/kg

Embodied Water

400 L/kg47.9 gal/lb
300 L/kg35.9 gal/lb

Same in both: Typical Recycled Content 30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

9 kN·m/kg
12 kN·m/kg

Specific Stiffness (E / density)

7.2 MN·m/kg
7.1 MN·m/kg

Modulus of Resilience

17 kJ/m³
29 kJ/m³

Thermal Diffusivity

32.4 mm²/s
20.6 mm²/s

Same in both: Thermal Shock Resistance Index 3

Strength versus weight

Yield strength against density for every solder & low-melting alloy grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

125102050891011Density (g/cm³)Yield strength (MPa) — log scaleBabbitt Grade 2 (Tin-Base)ZSnSb11-6

Manufacturing and finishing

CapabilityBabbitt Grade 2 (Tin-Base)ZSnSb11-6
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Babbitt Grade 2 (Tin-Base) vs ZSnSb11-6 — frequently asked

Is ZSnSb11-6 stronger than Babbitt Grade 2 (Tin-Base)?

Yes. ZSnSb11-6 has a typical yield strength of 55 MPa (7.98 ksi) against 42 MPa (6.09 ksi) for Babbitt Grade 2 (Tin-Base) — about 31% more. Tensile strength is 90 MPa (13.1 ksi) vs 66 MPa (9.57 ksi).

Which is cheaper, Babbitt Grade 2 (Tin-Base) or ZSnSb11-6?

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

Which is easier to machine, Babbitt Grade 2 (Tin-Base) or ZSnSb11-6?

ZSnSb11-6, by a small margin. Both rate excellent for machinability — 92/100 against 85/100 for Babbitt Grade 2 (Tin-Base).

Ready to make it?

Upload a CAD file and FabDigit prices the part in Babbitt Grade 2 (Tin-Base) and ZSnSb11-6 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.