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Tin Babbitt #2 .062" x 25 lb spool$982.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.062" (1.6mm) diameter on 25 lb spool
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Tin Babbitt #2 .062" x 250 lb Payout Pak$7,785.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.062" x 250 lb Payout Pak
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Tin Babbitt #2 .079" (2mm) x 25 lb Spool$969.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.079" x 25 lb Spool.
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Tin Babbitt #2 .079" x 250 lb Payout Pak$7,685.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.079" x 250 lb Payout Pak.
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Tin Babbitt #2 .098" (2.5mm) x 25 lb spool$954.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.098" (2.5mm) x 25 lb spool
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Tin Babbitt #2 .098" (2.5mm) x 250 lb Payout Pak$7,560.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.098" (2.5mm) x 250 lb Payout Pak
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Tin Babbitt #2 .125" (3.2mm) x 25 lb Spool$929.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.125" (3.2mm) x 25 lb Spool
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Tin Babbitt #2 .125" (3.2mm) x 250 lb Payout Pak$7,360.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.125" (3.2mm) x 250 lb Payout Pak
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Tin Babbitt #2 .187" (4.8mm) x 25 lb Spool$922.00The most well-known Babbitt in the world for repairing high-speed engines, generators, and equipment bearings. Additionally, it serves as a spray wire for worn parts and capacitors.
.187" (4.8mm) x 25 lb Spool
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Tin Babbitt #2 - 1 lb. Regular Bar$36.90For high-speed equipment, engine, and generator bearing refurbishment, Babbitt is the most well-known brand in the world. 1-pound regular bar of 89Sn/3.5Cu/7.5Sb.
1 lb regular bar
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Tin Babbitt #2 - 5 lb Notch Bar$165.00For high-speed equipment, engine, and generator bearing refurbishment, Babbitt is the most well-known brand in the world. 5-pound notch bar of 89Sn/3.5Cu/7.5Sb.
5 lb notch bar
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Tin Babbitt #2 - 35 lb Ingot$1,142.00A 350-pound minimum order quantity is required. For high-speed equipment, engine, and generator bearing refurbishment, Babbitt is the most well-known brand in the world. 35-pound nominal ingots of 89Sn/3.5Cu/7.5Sb.
35 lb Ingot
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ASTM-B23 Grade 2 Tin Babbitt
DuraKapp™#2 is the most popular Lead-free, Tin-based Babbitt in bearing refurbishment today. Kapp Alloy’s unique processes combine high-purity virgin raw materials and our proprietary Precision Microcasting™ process to create the world’s strongest, most ductile Tin-based Babbitt.
DuraKapp™#2 Babbitt meets or exceeds the specifications for ASTM #2 Babbitt (also known as #2 Babbitt, Grade 2, High Tin Babbitt, and Bearing Babbitt). We back all of our products with a 100% satisfaction guarantee or your money back.
Benefits & Features
- Cleaner, stronger coating
- Faster, better flow
- Less waste
- Fewer rejects and higher quality finished products
- No laminations that would cause deposition problems
- Non-splitting, virtually weld-free wire with a non-flaking surface to prevent machine feeding problems
- Lead-free composition for environmental safety
- Produces a soft, pliable wire for easier machine feeding
- Homogenous structure and tight wire diameter provide even feeding and flame deposition
Applications
- Sleeve Bearings in:
- Motors
- Engines
- Turbines
- Compressors
- Pumps
- Marine and steam engines
- Electrical machinery
- Corrosion Resistant Coatings
- Electro-Magnetic Interference (EMI) Resistant Coatings
- Spray coating on wear surfaces of high-speed compressors, pumps, and mills
- High-speed, moderate-pressure equipment
- Paired with KappaTinning™ Compound and Kapp CopperBond™ Flux
Grade 2 Tin Babbitt Properties
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Specification |
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ASTM B23: |
Grade 2 |
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QQ-T-90A: |
No. 2 |
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Composition |
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Sn (Tin): |
89% |
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Sb (Antimony): |
7.5% |
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Cu (Copper): |
3.5% |
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Chemical Composition Limits: 88-90% Tin, 7-8% Antimony, 3-4% Copper |
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Trace Elements% (maximum allowable): |
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Iron (Fe): |
0.0800% |
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Lead (Pb): |
0.1000% |
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Arsenic (As): |
0.1000% |
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Bismuth (Bi): |
0.0800% |
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Zinc (Zn): |
0.0050% |
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Aluminum (Al): |
0.0050% |
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Component Elements Properties |
Metric |
English |
Comments |
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Aluminum (Al): |
<= 0.0050 % |
<= 0.0050 % |
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Antimony (Sb): |
7.5 % |
7.5 % |
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Arsenic (As): |
<= 0.10 % |
<= 0.10 % |
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Bismuth (Bi): |
<= 0.080 % |
<= 0.080 % |
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Cadmium (Cd): |
<= 0.050 % |
<= 0.050 % |
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Copper (Cu): |
3.5 % |
3.5 % |
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Iron (Fe): |
<= 0.080 % |
<= 0.080 % |
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Lead (Pb): |
<= 0.35 % |
<= 0.35 % |
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Tin (Sn): |
89 % |
89 % |
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Zinc (Zn): |
<= 0.0050 % |
<= 0.0050 % |
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Technical Data |
Metric |
English |
Comments |
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Density: |
7.39 g/cc |
0.267 lb/in³ |
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Hardness, Brinell: |
24.5 |
24.5 |
10 mm ball/ 500 kg load-30 sec. |
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Tensile Strength, Ultimate: |
77.0 MPa |
11,200 psi |
Chill cast |
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87.0 MPa |
12,600 psi |
Diecast |
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Elongation at Break: |
18 % |
18 % |
Chill Cast. Gage length = 4 x (area)½ |
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Compressive Yield Strength: |
42.1 MPa |
6,110 psi |
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Ultimate Compressive Strength: |
102.7 MPa |
14,900 psi |
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Fatigue Strength: |
33.0 MPa at 2 x 107 cycles |
4790 psi at 2 x 107 cycles |
chill cast, R.R. Moore Test |
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Melting Range: |
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Properties of Chill Cast
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Temperature |
Tensile Strength |
Elongation |
Reduction |
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°C |
°F |
MPa |
ksi |
%(a |
in area, % |
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20°C |
68°F(b) |
77 |
11.2 |
18% |
25% |
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49°C |
120°F |
63 |
9.2 |
24% |
27% |
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100°C |
212°F (c) |
45 |
6.5 |
23% |
28% |
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149°C |
300°F |
28 |
4.0 |
32% |
44% |
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(b) Compressive yield strength, 0.125% set, 42 MPa (6.1 ksi); Compressive strength, 25% set, 103 MPa (14.9 ksi) |
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Grade 2 Babbitt Alloy Mechanical Properties |
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Tensile Strength: |
(Typical); cast at 600°F (315°C) into mold at 302°F (150°C): 12,600 psi (87MPa) |
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Proportional Limit: |
FOR TENSILE PROPERTIES OF CHILL CASTINGS, SEE TABLE 1 cast at 752°F (400°C) into mold at 212°F (100°C): 1,460 psi (10.1 MPa) |
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Hardness: |
Chill cast; Cast at 600°F (315°C) into mold at 302°F (150°C) - 24 HB. Cast at 752°F (400°C) into mold at 212°F (100°C) - 22 HB. |
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Elastic Modulus Tension: |
Cast at 750°F (400°C) into mold at 212°F (100°C) = 52 GPa (7.6 x 106 psi) |
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Fatigue strength: |
Chillcast, 33MPa (4.8 ksi) at 2 x 107 cycles, R.R. Moore [type] test |
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Mass Characteristics: |
Density: 7.39 mg/m3 (0.267 lbs./in3) |
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Melting Range: |
466-669°F (241-354°C) |
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Fabrication Characteristics: |
Casting temperature; Chill castings: 600°F (315°C) |
Grade 2 Tin Babbitt Product Variants
DuraKapp™#2 is available in standard forms:
- 35 lb. (15.9 kg) ingots
- 5 lb. (2.3 kg) notch bars
- 1 lb. (0.5 kg) bars
DuraKapp™#2 is also available in standard spray wire forms:
- 1/8” (0.125”) (3.2mm)
- 0.098” (2.5mm)
- 0.079” (2mm)
- 0.062” (1.6mm)
Custom alloys and forms are our specialty. Call Kapp Alloy to discuss your specific project!
Also Order
Click here for DuraKapp™#2 Technical Data Sheet