Hangzhou Making Industry Co., Ltd
Hangzhou Making Industry
Cold rolled steel coil in drawing quality DC01 to DC06
Cold Rolled Carbon 0.05 - 1.0 mm thick5 - 1500 mm wide

DC01 to DC06 Cold Rolled Steel Strip

The full cold rolled drawing quality ladder, 0.05 to 1.0 mm, slit 5 to 1500 mm.

Overview

What This Grade Range Is For

DC01 through DC06 is a formability ladder rather than a set of unrelated grades. DC01 is commercial quality and handles ordinary bends. Each step up buys a deeper draw, until DC06 takes the severe multi stage work that splits the lower grades. We supply the whole ladder from 0.05 mm to 1.0 mm, in tempers from annealed to full hard, slit from 5 mm to 1500 mm.

Specifications

Quality DesignationDC01 - DC06
TemperAnnealed to full hard
Thickness0.05 - 1.0 mm
Width5 - 1500 mm

Ranges as supplied. Exact grade within the range is confirmed against your application.

Key Benefits

  • The whole ladder from one supplier, so a forming problem is solved by moving up a grade
  • Down to 0.05 mm, thinner than typical service centre cold rolled stock
  • Width to 1500 mm, or slit to a narrow mult where the part is small
  • Temper specified from annealed to full hard rather than fixed by stock

Problems It Solves

  • A drawn part splits and the only local stock is DC01
  • Tooling is reworked to suit the steel when the cheaper fix was a higher drawing quality
  • Thin gauge requirements below 0.3 mm fall outside normal stock ranges
  • Small parts are blanked from wide coil and the skeleton is scrapped

Who It Is For

  • Press shops running multi stage draws
  • Enclosure and cabinet manufacturers
  • Appliance component suppliers
  • General stampers working below 1 mm

Application Scenarios

  • Deep drawn housings, cups and shells
  • Stamped enclosure and cabinet panels
  • Roll formed light sections
  • Thin gauge washers, shims and stamped hardware

Technical Features

  • Low carbon cold rolled steel, formability increasing from DC01 to DC06
  • Supplied annealed for forming or hard rolled where flatness and stiffness matter more
  • Uncoated, so parts need painting, plating or another finish after forming
Manufacturing Process

How This Material Reaches You

Cold rolling to gauge
Annealing to the ordered drawing quality
Temper rolling
Slitting to ordered width
Oiling, recoiling and packing

Materials

  • Low carbon cold rolled steel, drawing qualities DC01 to DC06

Quality Control

  • Thickness measured across the width on every coil
  • Flatness checked before slitting
  • Slit edge checked for burr and camber

Customization Options

  • Drawing quality selected against the part draw ratio
  • Slit width to the mult your die runs
  • Coil weight and inner diameter to suit your decoiler
Comparison

How It Compares With The Alternatives

Compared WithWhat Changes
HSLA 260 to 550 Cold Rolled StripHSLA gives yield strength so the part can be thinner. DC grades give draw depth. Pick by whether the part is formed hard or loaded hard.
DX51D to DX56D Galvanized StripSame forming logic, but galvanized arrives with zinc already on it. Choose DC only where the part gets its own finish after forming.
Use Guide

Getting The Specification Right First Time

  1. Start at the lowest grade that passes the draw, because each step up costs more
  2. If parts split intermittently, move up one grade before reworking the tool
  3. Specify annealed for forming and hard rolled only where stiffness matters more
  4. Plan the finishing step, since this material is uncoated and will rust

What to Include in Your Enquiry

  • The part and how it is formed, including the tightest bend radius
  • The service environment and expected design life
  • The strip width your die or roll former actually needs
  • Coil inner diameter and maximum coil weight your decoiler accepts

DC01 to DC06 Cold Rolled Steel Strip Questions

Which DC grade do I need?
It depends on the draw ratio on the part. DC01 handles simple bends and shallow forming. DC04 covers most drawn work. DC05 and DC06 exist for severe and multi stage draws.
How thin can DC grades be supplied?
0.05 mm, up to 1.0 mm, across the whole DC01 to DC06 range.
Is the strip oiled?
Cold rolled uncoated strip is normally supplied lightly oiled for corrosion protection in transit. Confirm the requirement with your enquiry, because it affects downstream degreasing.
What width can you slit to?
From 5 mm up to 1500 mm.

Get a Quote on Cold Rolled Carbon

Send the specification or just the part drawing. We will confirm what is achievable in gauge, width and temper before anything is priced.