High Tensile Plate

High Tensile Plate

Whether you need an offshore specification High Tensile Plate in Singapore, High Tensile Plate in Indonesia, or a pressure vessel plate in Saudi Arabia, we have floating stock of 800 ton Steel plates and logistical skills to deliver what you want when you need it.

At our stockyard / warehouse in Kalamboli, Navi Mumbai, Maharashtra, INDIA Steel Plates are available in a wide range of special metal grades like Manganese Steel, Alloy Steel, and Stainless Steel in numerous specifications. All Steel Plates Stocks are held to ASME, ASTM, EN, and API, Steel Plates are always available in surplus stock up to 15 metres long, 4 metres wide, and 300 millimetres thick. We are able to offer a solution to virtually any sourcing problem about Steel Plates.

DM Special Steel Ltd is the only supplier of High Tensile Plate, Hardox 400 Plate, Abrex 400 Steel Plate, Wear Resistant Steel, Sailhard Tiscral Las 07 Plate, Ar 400 Plate, High Manganese Plate, Hardfield Manganese Plate, Welten 780E Plate in India who delivered steel plates to Saudi Arabia in 3 days, to Sri Lanka in 2 days, to Iran in 8 days, to Singapore in 12 days, to Kuwait in 5 days, to United Arab Emirates in 3 days, to Japan in 10 days, to Qatar in 4 days, to Indonesia in 7 days & to Taiwan in 5 days. In Short R Pipe overseas has proven record that We are the only one who can supply Steel Plates to Gulf & Asian countries in minimum lead time, So If you want to buy High Tensile Plate from reliable supplier & Steel Plates specialiest in INDIA, check our free quote with minimum delievery time to your country which you will receive within an hour.

High Tensile Plate

High Tensile Plate

The high tensile plates are the plates with high toughness and good welding ability. Made using graded steel, these plates are suitably used for various manufacturing procedures in cold regions. These plates possess good formability and are used in civil engineering and industrial machinery and in automobile industries for making lightweight automobiles.


Uses Of High Tensile Plate

  • Heavy road vehicles : chassis, dumper bodies for high strength use high tensile plate.
  • Cranes construction : booms of mobile cranes made from high tensile plate for higher strength.
  • Structural steelworks : bridges, bridge components, Components for offshore structures.
  • Pressure vessels : fixed and transportable storage tanks, vessels.
  • Power plants : penstocks, spiral cases.
  • Materials handling : lifting and mobile equipment.
  • Mining and earthmoving equipment : roof supports.
  • Agricultural equipment and trailers.

Different Names

S690QL, S700MC, Dillimax 690T, Maxil 690, Naxtra 70, Supralsim 690, Weldox 700E, QstE 690 TM HSLA Plates DIN EN S690 Q / S 690 QL / S690 QL1


Chemical Composition (heat analysis, %) Specifications

C Si Mn P S Cr Mo Ni Al
0.20 max 0.80 max 1.70 max 0.0.20 max 0.005 max 1.50 max 0.70 max 2.0 max 0.015 max
In addition: Ti or/and V or/and Nb.
The manufacturer reserves the right to change the chemical composition.

Mechanical Properties

Plate thickness mm Re MPa Rm MPa A %
< 50 690 770 - 940 14
> 50 ? 100 650 760 - 930 14
> 100 630 710 - 900 14

Notch Impact Energy

Steel Grade Position of Samples 0°C - 20°C - 40°C - 60°C
S690Q/MAXIL® 690 Q LongitudinalTransverse 40 J
30 J
30 J
27 J
S690QL/MAXIL® 690 QL LongitudinalTransverse 50 J
35 J
40 J
30 J
30 J
27 J
S690QL1/MAXIL® 690 QL1 LongitudinalTransverse 60 J
40 J
50 J
35 J
40 J
30 J
30 J
27 J

Water quenched and tempered.

Typical Applications
Heavy road vehicles: chassis, dumper bodies. Cranes construction: booms of mobile cranes. Structural steelworks: bridges, bridge components, components for offshore structures. Pressure vessels: fixed and transportable storage tanks, vessels. Power plants: penstocks, spiral cases. Materials handling: lifting and mobile equipment. Mining and earthmoving equipment: roof supports. Agricultural equipment and trailers.

Details Of How To Use This Material

  •   •    Processing
  •   •   Welding

The weldability is excellent and all the common welding processes can be used. Preheating is not necessary under normal conditions. A narrow heat affected zone (HAZ) with a somewhat lower strength is formed immediately adjacent to the weld. The softening tendency can be limited by avoiding unnecessarily high heat input during welding. In applications where high strength is required, the welded joints should be placed in the less stressed locations. So, the effect of welds on the structure will be minimised. Matching welding materials are recommended when high strength of the weld is needed. Alternatively, undermatching consumables may be used if the weld is located in a less stressed part of the structure.


Cutting

Optim 700 MC steel can be cut easily using thermal methods such as flame, plasma, and laser cutting. Mechanical cutting can also be applied, but attention must be paid to the stiffness of the equipment, blade condition and clearance, and support the work piece. Heat Treatment


Heat Treatment

Welded structures do not normally require any heat treatment after fabrication. If stress relieving is required, however, it must be carried out in accordance with the following recommendations:


Forming

Optim 700 MC steel is suitable for cold forming.
Minimum permissible bending radius, bending angle 90°
Minimum permissible inside bending radius mm.


Thickness mm (2.5) - 3 (3) - 4 (4) - 5 (5) - 6 (6) - 7 (7) - 8 (8) - 10
3.5 5 6 8 12 14 16

No limitations on bending direction.

Successful forming requires the use of good workshop techniques, especially for highest steel strengths. Worn tools, insufficient lubrication, scratches on the steel surface and edge burrs all reduce the forming quality. Plates taken from cold storage must warm to room temperature (+20°C) before forming.


Heat Treatment Recommendations

Heat Treatment Temperature °C Treatment time & manner of cooling
Stress relieving 550 – 580 (target 560) 2 minutes/mm thickness, min. 30 minutes.
Slow cooling in the furnace
Too high temperature and long treatment time may weaken mechanical properties.

 

 

 

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