45B - GB /T 3078-2019

Grade	45B
Corresponding Standard	GB /T 3078-2019 Quality Structural Steel Cold Drawm Bars
Classification	Alloy Steel

45B Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing, Bright Annealing, High-Temperature Tempering or Normalizing and Tempering	≤229
Delivery condition	Cold Drawing, Cold Drawing and Polishing	≤255

Approximate Comparison Table Structural Alloy Steel

45B Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!