Steel C Profile
Roll-formed to order from black (uncoated) steel S450, for indoor structures or members that are painted or galvanized after fabrication. Minimum order 5 t per size.
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Applications & Selection Guide
C profiles are cold roll-formed lipped channels. The edge lips stiffen the flanges, so a thin-walled section carries more than its weight suggests. The range runs from 100 to 400 mm web height in 1.5–4 mm, and every size page lists the lip, strip width, weight, area, Ix, Wx, Iy, Wy, radii of gyration and centroid from the mill’s section table.
Typical uses: solar mounting piles, rails and bracing, roof purlins and wall side rails on industrial buildings, mezzanine joists and light steel framing. Holes and slots can be punched to your drawing.
Materials: black steel S235, S355, S420, S450 and S500; pre-galvanized S350GD+Z275, S420GD+Z275 and Aluzinc; and Magnelis S350GD, S420GD and S450GD with ZM310 or ZM350 coating. Profiles are rolled on continuous roll-forming lines in lengths up to 25 m, with holes punched to your drawing. The minimum order is 5 t per size and material. Production holds an EN 1090-1 factory production control certificate (CE marking, structural components up to execution class EXC2 to EN 1090-2) and ISO 9001, ISO 14001 and ISO 45001 certification.
Technical guides
S350GD, S420GD and DX51D+Z: coated steel grades to EN 10346 explained
What S350GD+Z275, S420GD+ZM310 and DX51D+Z mean: minimum yield and tensile strength of EN 10346 structural and forming grades, coating types and masses, and which grades we roll purlins from.
Read the guide →C, Z or Sigma purlins: how to choose the right cold-formed section
How C, C Plus, Z, Sigma and U cold roll-formed sections differ, where each is typically used, the size ranges available, and what to send for a quote.
Read the guide →Purlin coatings: black steel, galvanized Z275, Magnelis (ZM) or Aluzinc?
How the four material options for cold roll-formed purlins compare — grades, coating mass, cut-edge behaviour and typical exposure — and how to specify them.
Read the guide →Purlin sizes and weights: C, Z and Sigma section tables
Complete size tables for cold roll-formed C, C Plus, Z, Sigma, Sigma Plus and U sections: dimensions, weight per metre, area, Ix and Wx from the mill catalogue.
Read the guide →Steel coatings
Galvanized purlins: pre-galvanized Z275 C, Z and Sigma sections
Cold roll-formed C, Z, Sigma and U sections from pre-galvanized S350GD+Z275 and S420GD+Z275 strip: size ranges, lengths up to 25 m, punched holes and how to order.
View coating →Magnelis (ZM) purlins: zinc–aluminium–magnesium coated C, Z and Sigma sections
Cold roll-formed purlins and girts from ZM310 and ZM350 coated strip in S350GD, S420GD and S450GD — for agricultural, coastal and other aggressive environments.
View coating →Aluzinc purlins: aluminium–zinc coated C, Z and Sigma sections
Cold roll-formed C, Z, Sigma and U sections from Aluzinc (AZ) aluminium–zinc coated strip: where it fits, size ranges, lengths up to 25 m and how to order.
View coating →Product Information
Material Grade
S235–S500 black steel; S350GD+Z275, S420GD+Z275 and Aluzinc pre-galvanized; S350GD–S450GD Magnelis ZM310/ZM350
Manufacturing Standard
EN 1090-1 (CE, EXC2); coated strip to EN 10346
Material Type
Steel
Category
C Profile
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