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Engineering Material Specification
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.. Thickness Change, % max
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ASTM No. 1 Oil
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Original Thickness
(S h at 150C)
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0.010/0.016 in '(0.T5/0.41 mm) inclusive
0.017/0.030 in - -- (0.43/0.76 mm) inclusive
0.031/0.061 in (0.76/1.55 mm) inclusive
0.062 in (1.57 mm) and over
40 35 30 25
ASTM No. 3 OU ASTM Fuel "A" (5 h at 150C) (24 h at 23 + 2C)
70 0 to +35
65 0 to +30
60 0 to +25
55 0 to +20
3.4 DENSITY 0.010 in (C.25 mm) thick and oyer
1.65 - 2.0 g/errr
3.5 SUPPLIER'S RESPONSIBILITY
Material supplied to this specification must be equivalent to that originally approved. Changes in formulation or processing shall not be made without prior approval as described in Supplier Procedure 1~A.
4. APPROVAL OP SUPPLIERS
Suppliers to this specification must be approved by the affected product engineering office. Procedure for gaining approval of a specific material to a new/existing ES-M specification is contained in Supplier Procedure 1-A. Approved new suppliers will be added to the Engineering Materials Approved Source List.
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1978 11 21
8001 1373
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