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- 4130 Chromoly Tube
- 4130 structural steel has high strength and toughness, high hardenability, critical hardenable diameter in oil is 15 ~ 70mm; the thermal strength of steel is also good, it has sufficient high temperature strength below 500 ℃, but at 550 ℃ Its strength dec
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Sichuan Liaofu Special Steel Company
[Verified]
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Negotiable
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