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. It 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