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NAXTRA 70 Plates

Champak Industries' is a specialist supplier and exporter of High strength steels NAXTRA 70 Plates. We understand customers whose requirement for High strength steels Plates is extreme and who cannot use inferior quality steel plates.

STOCKIST OF HIGH YIELD STRUCTURAL STEEL PLATES

HIGH YIELD STRUCTURAL STEEL PLATES

 

Steel Grade
Finland Germany Japan Germany Sweden Austria Belgium
S690QL DILLIMAX
690T
JFE HITEN 
780 LE
NAXTRA 
70
WELDOX 
700
ALFORM 
700
1.8928

HIGH YIELD STRUCTURAL STEEL PLATES

NAXTRA 70 Plates is a high yield structural steel or High strength steels grade produced in compliance with EN 10025:6:2004. The material is heats treated using the quench and temper process and has good bending and welding properties

The code "S" for steel grade S690QL means structural steel.

The code "Q"refers to the delivery condition, in this case to quenched & Tempered.

The code "L" means that the average minimum values for impact energy have been defined at a temperature of -40°C.

Due to the materials high strength nature, using S690QL will promote leaner designed structures with increased payload capacity and energy efficiency.

The steel is used in a variety of Segments including

  • Machine building
  • Lifting equipment
  • Heavy transportation
  • Steel constructions

APPLICATIONS:

  • Crane booms
  • Mining and earthmoving equipment
  • Bridges
  • Material handling
  • Trailers and agricultural equipment.

CHEMICAL COMPOSITION

Grade C Si Mn P S N B Cr Cu Mo Nb* Ni Ti* V* Zr*
S690 QL 0.20 0.80 1.70 0.025 0.015 0.015 0.0050 1.50 0.50 0.70 0.06 2.0 0.05 0.12 0.15
At least 0.015% of grain-refining element present. Aluminium is also one of these elements.

MECHANICAL PROPERTIES

Tensile Strength (MPa) Yield Strength (MPa)) Min. % Elongation after fracture
Nominal thickness (mm) Nominal thickness (mm)
=3 =50 =50 =100 =100 =150 =3 =50 =50 =100 =100 =150
690 690 690 770 - 940 770 - 940 770 - 940 14

V NOTCH IMPACT TESTING

Grade Sample Orientation @ 0ºC @-20ºC @-40ºC @-60ºC
S690QL Longitudinal 50 J 40 J 30 J ––
Traverse 35 J 30 J 27 J ––

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