Mild non-alloy steels for cold-rolling

Usage

These steel grades are delivered as feedstock for cold-rolling.

Standards

DE Material no. FK 1)
DIN 1614-1 3)
St 22 1.0320 A
St 24 1.0327 A
IF 2) A
  1. FK = Tensile strength class, see dimensions and executions
  2. Hot-rolled coil for producing DC06 (IF steel) according to EN 10130 is delivered with a chemical composition as indicated below.
  3. invalid standard

Chemical composition in percent by weight [%] (Heat analysis)

Grade C Mn P S N Ti
max. max. max. max. max. max.
St 22 0.10 0.45 0.035 0.035 0.007 -
St 24 0.08 0.40 0.025 0.025 1) -
IF 0.02 0.25 0.020 0.020 – 0,30²)
  1. The nitrogen is fixed. The steel therefore contains at least 0.020 % of metallic aluminum. The use of other nitrogen-fixing elements must be agreed.
  2. Titanium can be replaced by niobium. Carbon and nitrogen must be completely set.

Condition of delivery, scope of testing and certificate

The provisions of DIN 1614-1, chapters 8 und 9 shall apply for delivery and inspection.

Certificates according to DIN EN 10204 can be supplied as follows: IT, DUN, FAX, e-mail, paper.