Tin Babbitt #1 - 1 lb. Regular Bar
$36.90

For high-speed equipment, engine, and generator bearing refurbishment, Babbitt is the most well-known brand in the world. 1 lb. Regular Bar of 91Sn4.5Cu4.5Sb.

1 lb. Regular Bar
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Tin Babbitt #1 - 5 lb. Notch Bar
$165.00

For high-speed equipment, engine, and generator bearing refurbishment, Babbitt is the most well-known brand in the world. 5 lb. Notch Bar of 91Sn4.5Cu4.5Sb.

5 lb. Notch Bar
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Tin Babbitt #1 - 35 lb. Ingot
$1,142.00

A 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 91Sn4.5Cu4.5Sb.

35 lb Ingot
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ASTM-B23 Grade 1 Tin Babbitt

DuraKapp™#1 is a Lead-free, Tin-based Babbitt known for its ability to withstand high pressure, high temperature, and friction. Kapp Alloy combines high-purity virgin raw materials and our proprietary Precision Microcasting™ process to create the world’s strongest, most consistent Tin-based Babbitt. It is available in a variety of forms such as ingots, notch bars, and bars depending on your application.

DuraKapp™#1 Babbitt meets or exceeds the specifications for ASTM #1 Babbitt - also known as #1, No. 1, or Grade 1 Babbitt. We back all of our products with a 100% satisfaction guarantee or your money back.

Tin-Based Babbit Applications

Bearings and high-pressure applications such as those found in:
Steel mills
Motors
Generators
Marine equipment
Paired with KappaTinning™ Compound and Kapp CopperBond™ Flux

Properties

Specification
ASTM B23:	Grade 1
QQ-T-90A:	No. 1

Composition	%
Sn (Tin):	90.0-92.0%
Sb (Antimony):	4.0-5.0%
Cu (Copper):	4.0-5.0%
Pb (Lead):	0.35% (max.)

Component Elements Properties	Metric	English	Comments
Aluminum, Al:	<= 0.0050 %	<= 0.0050 %
Antimony, Sb:	4.5 %	4.5 %
Arsenic, As:	<= 0.10 %	<= 0.10 %
Bismuth, Bi:	<= 0.080 %	<= 0.080 %
Cadmium, Cd:	<= 0.050 %	<= 0.050 %
Copper, Cu:	4.5 %	4.5 %
Iron, Fe:	<= 0.080 %	<= 0.080 %
Lead, Pb:	<= 0.35 %	<= 0.35 %
Tin, Sn:	91 %	91 %
Zinc, Zn:	<= 0.0050 %	<= 0.0050 %

Technical Data	Metric	English	Comments
Density:	7.34 g/cc	0.265 lb/in³
Hardness, Brinell:	17	17	10 mm ball/500 kg load-30 sec.
Tensile Strength, Ultimate:	62.0 MPa	8,990 psi	Diecast
	64.0 MPa	9,280 psi	Chill cast
Elongation at Break:	2.0 %	2.0 %	in 50 mm
Modulus of Elasticity:	50.0 GPa	7250 ksi
Compressive Yield Strength:	30.3 MPa 18.3 MPa	4,390 psi 2,650 psi	@ 68°F (20°C); @ 212°F (100°C)
Ultimate Compressive Strength:	88.6 MPa	12,900 psi
Fatigue Strength:	26.0 MPa @ 2.00⁷Cycles	3,770 psi @ 2.00⁷Cycles	Chill cast, R.R. Moore Test
Izod Impact:	3.40 J	2.51 ft-lb	Chill Cast
Johnson’s Apparent Elastic Limit:	16.9 MPa 7.2 MPa	2,450 psi; 1,050 psi	68°F (20°C); 212°F (100°C)
Melting Range:	433-700°F (223-371°C)
Pouring Temperature:	441°F (227°C)