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cold rolled steel specification

cold rolled steel specification

In this article, Mirach Metallurgy Co.,Limited share different properties between cold rolled steel and hot rolled steel. You can also see cold rolled steel’s detail information below.

Rolling Temperatures

Hot-rolling requires temperatures of 1,652 degrees to 2,012 degrees Fahrenheit (900 to 1,100 degrees Celsius), while cold-rolled steel is rolled at room temperature.

Product Thicknesses

Typically, hot rolling begins with a standard 10-inch (250 mm) thick slab. Cold rolling through a second series of mills further reduces the hot rolled steel to a cold rolled product with a thickness range from .0126 inches (.32 mm) to .157 inches (3.99 mm).

Low Carbon

Cold Rolled Steels

.25% Maximum Carbon Grade

High Carbon

Cold Rolled Steels

Over .25% Maximum Carbon Grade

Alloy

Cold Rolled Steels

 

Thickness Range      WidthRange

.008 to .250              Up to 20”

Thickness Range      WidthRange

.008 to .250              Up to 20”

Thickness Range      WidthRange

.008 to .250              Up to 20”

 

Restricted Thickness tolerances are available.

 

Restricted Thickness tolerances are available.

 

Restricted Thickness tolerances are available.

Chemistries Available Chemistries Available Chemistries Available
.02 Maximum Carbon, C-1006, 1008, 1010, 1018, and 1020, through C-1024

Modified grades of low carbon chemistries are available.

C-1035, 1050, 1051, 1055, 1060, 1064, 1065, 1070, 1074, and 1075,  through C-1095

Modified grades of high carbon chemistries are available. Modified grades may be subject to “heat lot” quantity minimums.

1012, 1015, 4130, 4140, 6150, D6A, and NS801

Special alloys for your application can be specified. Modifed grades of alloy chemistries are available. Modified special quality grades may be subject to “heat lot “.

Tempers (Hardnesses) Tempers (Hardnesses) Tempers (Hardnesses)
#1 Full Hard, #2 Half Hard, #3 Quarter Hard, #4 Skin Passed,

#5 Soft.

Spheroidized Annealed, Hard Rolled and Custom Temper. Spheroidized Annealed, Hard Rolled and Custom Temper.