| 1. | Oil tempered carbon steel spring wire and springs
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| 2. | Oil tempered carbon steel valve , spring quality wire , and springs
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| 3. | Standard specification for steel wire , oil - tempered carbon valve spring quality
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| 4. | Standard specification for quenched - and - tempered carbon and high - strength low - alloy structural steel plates
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| 5. | Standard specification for quenched and tempered carbon and alloy steel forgings for pressure vessel components
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