JEWELRY METAL

 

Lead Free Jewelry Metal, Standard Grade and other grades made up to customers specification

 

WHITE METAL 90 OXIDE FREE - CB90

 

Description:

WHITE METAL 90 and CB90 are identical. however CB90 is specially treated, for Ornamental castings. CB90 is completely LEAD FREE, and is totally cleaned.

(FREE OF OXIDE AND IMPURITIES)

 

Availability:

EX STOCK

 

Composition:

Sn 90%

Cn 8%

Sb 7%

 

SABS No.

695-1971

 

Pouring Temperature:

340°C - 370°C

 

Identification:

Ignot Forms

 

Abbreviations:

Sn = Tin

Cu = Copper

Sb = Antimony

 

For future Orders From Follow me display, an analysis report will be enclosed with every material sent out.

           

SABS No.

Alloy

Nominal Composition Percent

Related Specifications not necessarily identical

pouring Temperature

Typical Application
695 - 1971

W.M. 90

Tin

Antimony

Copper

90

7

3

BSB 21

ASTM B23 - 46T (1)

SAE 110

SAR 89

Hoyt's no.11

Fry's O 1

 

340 - 370

 Crankshaft, main bearings, connecting rods and big end bearings
696 - 1971

W.M. 84

Tin

Antimony

Copper

84

10

6

C. of M. No. 1

SAR VL. 83

Fry's Crusher

S.A. Govt No. 1

410 - 460

Turbines, gas engines, high speed engines, locomotives, thrust bearings, motor bearings, reduction gears, transmission bearings of electrical units.
697 - 171

W.M. 80

Tin

Antimony

Copper

Lead

80

9

6

5

Fry's Babbit A

410 - 460

Same as W.M. 84
698 - 1971

W.M. 72

Tin

Antimony

Copper Lead

72

10

6

12

C. of M. No.2

SAR L83/RL 83

ASTM B23 - 46T(4)

S.A. Govt No. 2

410 - 40

bearing metal in loco and tender bearings, axel boxes (oil lubrication), connecting rod bushes and brass eccentric strips
700 - 1971

W.M. 40

Tin

Antimony

Copper

Lead

40

15

3

42

C. of M No. 3

Fry's Babbit C

350 - 400

Petrol and Diesel Engine bearings other than specified above, compressor bearings, electronic motors and generators, fans and blowers, general engine work
701 - 1971

W.M. 30

Tin

Antimony

Copper

Lead

30

16

1

53

C. of M. No. 4

350 - 400

Same as W.M.40
702 - 1971

W.M.15

Tin

Antimony

Copper

Lead

15

14

0.5

70.5

C. of M. No. 5

ASTM 23 - 46T(7)

SAE 14

S.A. Govt No. 3

330 - 360

A Babbit for Moderate loads and speeds, blowers, pumps, electric motors and machine tools.
703 - 1971

W.M.  6

Tin

Antimony

Lead

6

14

80

C. of M. No.6

SAR C80

ASTM B23 - 46T(8)

S.A. Govt No. 4

Fry's A.C. 6

320 - 340

A Lead base Babbit for light loads and moderate speeds, mining machinery, transmission machinery, journals; used with all kinds of shafting.

 

Alloys Physical Properties
Liquidus °C Solidus °C Density Kg/M³ Tensile Strength MPa Elongation % Brinell Hardness No. Pouring Temperature °C
W.M. 90 315 240 7 350 74 6.8 26.5 340 - 370
W.M. 84 370 240 7 200 91 7.0 31.0 410 - 460
W.M. 80 390 190 7 300 90 7.0 30.5 420 - 460
W.M. 72 410 190 8 140 80 6.0 27.0 440 - 470
W.M. 40 320 186 8 860 69 5.0 24.2 350 - 400
W.M. 30 275 186 8 880 67 1.5 24.0 350 - 360
W.M. 15 257 240 9 910 67 1.5 24.0 330 - 360
W.M. 6 255 240 9 960 63 2.5 24.0 320 - 340
Marine White Bronze 285 240 7 200 65 6.9 23.2 330 - 370