Most frequently used for base materials of similar composition. NOMINAL COMPOSITION: Carbon .08% max. Chromium 19.5-22.0% Nickel 9.0-11.0% Manganese 1.0-2.5% Copper .75% max. Silicon .30-.65% max.
Top Con AG 30 B transit. This came from a large surplus lot purchased from the state it is used but looks brand new. excellent condition all lenses are clear and clean will respond to all questions thanks for looking
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