Leaded (Tin) Bronze SAE660 / C93200

SAE660 or C93200 is a Leaded (Tin) continuously cast bronze and is a standard in the industry for light/medium bearing applications. Leaded (Tin) Bronze SAE660 or C93200 is suitable for various applications under medium loads. Has good resistance to seawater and brine enabling it to be used in the valve and pump industry.

•  Excellent wear resistance
•  Easily machinable
•  Free cutting
•  Good load carrying capacity and thermal conductivity
•  Bronze with a high lead content offers good lubricity
•  Commonly used in the manufacture of bushes, bearings and wear plates

Download our current material list

Material Stocklist.pdf

Chemical Properties

-
-
Min
Max
Cu
Copper
81
85
Sn
Tin
6.3
7.5
Pb
Lead
6.0
8.0
Zn
ZInc
2.0
4.0
Ni
Nickel
-
1a
P
Phosphorous
-
1.50
Al
Aluminium
-
0.005
P
Iron
-
1.50
Al
Antimony
-
0.35
P
Sulphur
-
0.08
Al
Silicon
-
0.005
-
Bismuth
-
-

Mechanical Properties

-
Tensile strength N/mm2
Proof strength N/mm2
Elongation % minimum
Continuously Cast (B505)
241
140
10
Centrifugally Cast (B271)
207
97
15
Density (g/cmᶟ) Approx
-
8.8
-

Hardness HB (min)

Continuously Cast (B505)
70
Centrifugally Cast (B271)
207