Quenched and Tempered High Strength Steel for Leg Components of Jack-up Rigs Bozhong® 690 CR (SE 690 CR) is a 690 MPa (100 ksi) yield strength quenched and tempered steel adapted for jack-up ri...
Shanghai Bozhong Metal Group Co., Ltd was founded in 2006, with 31 million registered fund, It is the leading integrated operator of modern service industry for specialty stainless steel.
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