Nickel-Iron Alloy Nilo 52 or Invar 52 (Ni 51%) is a controlled expansion alloy. It has low or almost static coefficient of thermal expansion from ambient temperatures to 565oC o...
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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