Cold rolled close annealed coils from 0.3 to 3mm in commercial through extra deep drawing grades to IS 513, ASTM A1008 and EN 10130. Grade selected against your part geometry, with formability testing available on request.
Cold rolled coil is graded by how hard you intend to form it. Ordering commercial quality for a deep-drawn part means split blanks and scrap; ordering EDD for a flat bracket means paying for formability you never use.
The grade is determined by your press part, not by preference. Send the part drawing or a description of the draw depth and radii at enquiry stage, and the correct grade follows from that. Guessing costs either scrap or margin.
CR coil surface classification matters where the part will be visible or painted. Specify it, because the default is usually the lower class.
CR coil rusts readily without protection. Unless you are processing immediately on arrival, specify oiled. Surface rust on arrival is a common and entirely avoidable dispute.
On specifications: the figures above reflect standard industry specifications for this product. Your actual batch values are confirmed on the Mill Test Certificate or Certificate of Analysis issued against your specific lot — provided with every shipment, and with sample orders before you commit to bulk. We do not ask buyers to take a specification on trust.
Automotive and appliance buyers require full traceability and often supplier approval. Specify requirements at enquiry stage.
HS Code 7209 (cold rolled, width 600mm+). Coil weight, ID and packing to buyer specification.
MOQ is discussed at order stage. Oiled coil recommended unless processing immediately. Payment by advance TT, LC at sight, or DP/DA case by case.
It depends on how severely the part is formed, not on preference. Commercial Quality suits flat parts and light bends. D and DD handle moderate to deep draws. EDD and Interstitial Free grades are for severe forming such as appliance and automotive panels. Send the part drawing or describe the draw depth and radii at enquiry stage and the grade follows from that.
Ordering commercial quality for a deep-drawn part produces split blanks and scrap at the press. Ordering EDD for a flat bracket means paying for formability you never use. Both errors are expensive in different ways, which is why the part geometry should drive the grade selection.
Cold Rolled Close Annealed. The coil is cold rolled to thickness then annealed in a controlled atmosphere, which restores ductility after work hardening and produces the clean bright surface characteristic of CR material. It is the standard condition for formable cold rolled coil.
Unless you are processing immediately on arrival, yes. Cold rolled steel rusts readily without protection, and surface rust discovered on arrival is a common dispute that is entirely avoidable. Oiling is inexpensive relative to the cost of arguing about a rusted coil.
Flat-rolled products of iron or non-alloy steel, cold rolled, of a width 600mm or more, fall under HS Code 7209. Narrower material falls under 7211. We declare the correct code based on the width ordered.
Yes. Erichsen cupping tests and r-value determination are available on request, with the report supplied alongside the Mill Test Certificate. This is worth arranging for first orders on demanding press parts, where confirming formability before the coil ships is far cheaper than discovering a problem at the press.
Technical drawings welcome. FOB or CIF pricing within 24 hours. Third-party inspection available.
Technical drawings welcome. FOB or CIF pricing, samples available.
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