Hard cold rolled coil is a kind of cold rolled, and cold rolled coil, cold plate, cold rolled strip is equivalent to belong to the cold rolled products. It is made of hot rolled steel coil as raw material, after pickling to remove oxidation skin for cold rolling. Due to the absence of annealing treatment, the strength and hardness of the hard cold rolled coi increases, but the toughness index decreases, so the stamping performance decreases, and can only be used for simple deformation of the parts.

Answers

• 
  What are the differences in thickness and production process between medium and thick steel plates and hot rolled steel plates? 20/12/2024 16:13:18
• 
  What are the differences between PE lining and plastic coating? 04/12/2024 17:18:59
• 
  What are the acceptance criteria for hot-dip galvanized square tubes? 03/12/2024 05:26:54
• 
  How to distinguish between 304 and 201 stainless steel plates? 29/11/2024 17:07:20
• 
  Stainless steel wire rope or galvanized steel wire rope, which one is stronger? 27/11/2024 15:03:48