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Special Alloy Steel Round Bar Black Surface Element Testing Passed SAE4140 / 1

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Guangzhou Changfeng Steel Co., LTD

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Special Alloy Steel Round Bar Black Surface Element Testing Passed SAE4140 / 1

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Special Alloy Steel Round Bar Black Surface Element Testing Passed SAE4140 / 1

Special Hot Rolled SAE4140 / 1.7225 Alloy Tool Steel Round Bar SAE4140 steel belongs to ultra-high strength steel, with high strength and toughness, hardenability is also good, no significant temper ...

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alloy steel plate

special alloy steel

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