DILLIMAX 690

DILLIMAX 690 is a high strength, fine grained and weldable structural steel with a minimum yield strength of 690 MPa (100 ksi) in its delivery condition (referring to the lowest thickness range). DILLIMAX 690 is preferentially used by the customers for welded steel structures within mechanical constructions, plant constructions and structural steel works, such as machines for structural engineering, conveying plants, hoists, cranes, flood gates, bridges and frameworks.

Chemical Composition- ladle analysis , %

DILLIMAX 690 C Si Mn P S Cr Ni Mo V+Nb B
B, T, E t ≤ 200 mm 0.20 0.50 1.60 0.018 0.005 1.50 1.80 0.60 0.10 0.004
B, T, t ≤ 200 mm 0.18 0.50 1.60 0.018 0.005 1.50 2.60 0.70 0.10 0.004

Mechanical Properties

Plate thickness Tensile strength Minimum yield strength Minimum elongation
t [mm] (in.)c Rma [MPa] (ksi)c ReHa, b [MPa] (ksi)c A5a [%] A2ina, d [%]
t (mm) 65 (2.5) 770 - 930 (112 - 135) 690 (100) 14 15
65 (2.5) < t ≤ 100 (4) 770 - 930 (112 - 135) 670 (97) 14 15
100 (4) < t ≤ 150 (6) 720 - 900 (104 - 130) 630 (91) 14 15
150 (6) < t ≤ 200 (8) 710 - 880 (103 - 128) 630 (91) 14 15
200 (8) < t ≤ 255 (10) 690 - 870 (100 - 126) 600 (87) 14 15
255 (10) < t ≤ 290 (11.4) 650 - 870 (94 - 126) 550 (80) 13 14

Impact test on Charpy-V-specimens

DILLIMAX 690 Basic (B) KV2 [J] (ft.-lb.)c at -20 °Ca (-4 °F) Tough (T) KV2 [J] (ft.-lb.)c at -40 °Ca (-40 °F) Extra tough (E) b KV2 [J] (ft.-lb.)c at -60 °Ca (-76 °F)
Specimen direction long. transv. long. transv. long. transv.
according to EN 10025-6 30 (22) 27 (20) 30 (22) 27 (20) 30 (22) 27 (20)
additionally in plate thickness up to 120 mm 60 (44) 40 (30) 60 (44) 40 (30) - -

Market Area

  • e250 br coils in Tamil Nadu
  • e250br sheets in Tamil Nadu
  • e275 grade a plates in Tamil Nadu
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  • e275 grade c plates in Tamil Nadu
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  • p20+ni plates in Tamil Nadu
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  • c45 plates in Tamil Nadu
  • en8 plates in Tamil Nadu
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  • cold rolled close annealed coils in Tamil Nadu
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  • oiled steel plots in Tamil Nadu
  • hot rolled sheets in Tamil Nadu
  • cold rolled close annealed sheets in Tamil Nadu
  • hot rolled pickled plates in Tamil Nadu
  • weldox 700 plates in Tamil Nadu
  • sailma e350 plates in Tamil Nadu
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  • astm a36 steel plates in Tamil Nadu
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  • corten a steel plates in Tamil Nadu
  • cold rolled sheets in Tamil Nadu
  • mild steel sheets in Tamil Nadu
  • ms plates in Tamil Nadu
  • hot rolled plates in Tamil Nadu
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