GradesCold rolled steel strip- DC 01, DC 03 - DC 06 to DIN EN 10139  (previously DIN 1624 bzw. SEW 095)- or as special qualities  z. B. DC 04 - fine grain, DC 04 - low earing- DC 06 = IF-qualitiesCold rolled steel sheet- DC 01, DC 03 - DC 06  to DIN EN 10130 (previously DIN 1623, part 1)Construction steel- St 37 - St 70 to DIN 1623 - 2Case hardening steel- C 10 E - C 15 E- 16MnCr5- 17Cr3 to DIN EN 10132 - 2 (previously DIN 17210)Steel for quenching and tempering C 22 E - C 60 E- 25Mn4- 25CrMo 4 - 42CrMo4 to DIN EN 10132 - 3  (previously DIN 17200)   Spring steel- C 55 S - C 100 S- 51CrV4- 102Cr6 to DIN EN 10132 - 4  (previously DIN 17222)Special purpose steel- 9SMn28- 27MnCrB5 - 2- 13CrMo4 4- other special qualities on requestMicro-alloyed high strength steel strip- H 240 LA - H 400 LA to DIN EN 10268- ZStE 260 - ZStE 420 to SEW 093- high strength special qualities ZE 260 - ZE 1100  oriented to DIN EN 10268 bzw. SEW 093- higher tensile steel strip on requestElectrical- Semi-finished-qualities to DIN EN 10126  (previously DIN 46400 Teil 2)Enamelling steel strip- DC 01 EK, DC 04 EK, DC 06 EK to  DIN EN 10209 (previously DIN 1623 part 3) SpecificationsDimensions and weights- Thickness range: 0,40 - 5,50mm- Width range: 8 - 670mm- Coil weight: max 20kg / mm strip width  traverse wound max 3500kg- Cut lengths: 450 - 5.100mm- Other outsize values by agreementTolerances- to DIN EN 10140 (previously DIN 1544)- to DIN EN 10131 (previously DIN 1541)- Normal, fine or precision tolerances or as  by agreementSurface types in accordance with DIN EN 10139(previously DIN 1624)- Blank: MA (previously BK)- Scratch and pit-free: MB (previously RP)- Scratch and pit-free bright: MC (previously RPG)  Surface finishes to DIN EN 10130(previously DIN 1623)- A (previously 03)- B (previously 05)