What is the difference between hot-rolled and cold-rolled stainless steel coil?
Hot rolling is suited to heavier starting gauges and typically gives a matte mill condition after annealing and pickling. Cold rolling reduces thickness and supports tighter dimensional control and finishes such as 2B or BA. Exact properties depend on grade and condition.
Which stainless steel coil grades can I inquire about?
Common requests include 201, 304, 304L, 316, 316L, 321, 310S and 430. The applicable standard, required chemistry and final supply condition should be included in the purchase order.
How do 304 and 316L stainless steel coils differ?
316L is a molybdenum-bearing, low-carbon austenitic grade often selected for more demanding corrosion and welding applications. Material selection still depends on the service environment, fabrication method and project specification.
What do 2B, BA and No.1 mean?
They describe stainless coil surface conditions: 2B is cold rolled, annealed, pickled and skin passed; BA or 2R is bright annealed; No.1 or 1D is hot rolled, annealed and pickled.
Can I purchase stainless steel coil in slit widths?
Slitting can be considered for specified master coils. Provide your target width, edge burr tolerance, coil ID, weight and any film or packaging requirement.
How do I calculate stainless steel coil weight or length?
Nominal strip kg/m is thickness in millimetres multiplied by width in millimetres multiplied by approximate density in g/cm³, divided by 1,000. Divide net coil mass in kg by kg/m for estimated strip length.
Can I order stainless steel coils for food-contact equipment?
Some stainless steel grades are widely used in food equipment fabrication. A suitable grade, finish and cleaning design must be selected for the actual process and any applicable food-contact rules.
Which inspections should be specified?
Orders commonly identify heat analysis, mechanical condition, thickness and width tolerances, surface finish, edge quality, coil identity and a material test certificate. Supplementary tests should be agreed in advance.
What information produces the fastest factory quotation?
Send the material standard, grade, rolling condition, finish, thickness, width, coil ID, weight per coil, total tonnage, inspection requests and destination port.