It is a nominal size. Sheet and plate steel thicknesses may vary from nominal thicknesses by up to 10%.
(t)rolled
Hot-rolled sheet has low hardness, easy processing, good ductility and cheaper price. Cold rolled sheet has high hardness, relatively difficult to process, but not easy to deformation, higher strength. If you want to buy cold-rolled steel, you can go to the official website of Changzheng, the price of Changzheng's steel is moderate, and it is the choice of the public. Buy cold-rolled steel plate recognized Changzeng.
They are two different things. Zinc plated means it's coated in zinc. Cold rolled means it's "smashed" into shape without added heat. So you could have something that's cold rolled AND zinc plated!
D2 tool steel is a steel, tool steel. For cold rolled steel, D2.
63-65
(t)rolled
Cold Rolled Steel
Steel which has been rolled out at temperatures below red heat, and then coated with zinc.
In order to help you classify your product, I will need further clarification. Do you mean "cold rolled steel, in coils" or "coils made of steel"?
Hot-rolled sheet has low hardness, easy processing, good ductility and cheaper price. Cold rolled sheet has high hardness, relatively difficult to process, but not easy to deformation, higher strength. If you want to buy cold-rolled steel, you can go to the official website of Changzheng, the price of Changzheng's steel is moderate, and it is the choice of the public. Buy cold-rolled steel plate recognized Changzeng.
Cold Rolled Grain Oriented Silicon steel sheets
They are two different things. Zinc plated means it's coated in zinc. Cold rolled means it's "smashed" into shape without added heat. So you could have something that's cold rolled AND zinc plated!
Cold rolled carbon steel
Hot rolled steel must be descaled by pickling in acid with a lime water rinsebefore it can be cold finished
CRNGO is electric motor usage steel(cold rolled no-grain orient steel).
7.87 g/cm^3
Usually cold rolled steel.