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    1. Main Products
      Products Grade: SCr420B
      Specifications: φ16~38mm
      Applied Standard: 
      Characteristics: This product is used to produce high strength bolt of class 12.9.
      Applications: Common partsCommon fastenerHigh strength fastener
      Use of Products: SCr420B is a steel grade which used to produce high strength bolt of class 12.9 .This product has characteristics of uniform-chemical composition, low percentage of harmful elements, high purity, slight decarburisation, good surface quality. After spheroidize annealing, this product has the characteristics of good cold heading properties. And the product has excellent hardenability.