High Tensile Steel Plate

Typical Applications

Heavy road vehicles: chassis, dumper bodies.  Cranes construction: booms of mobile cranes.  Structural steelworks: bridge components, components for offshore structures.  Pressure vessels: fixed and transportable storage tanks, vessels.  Power plants: penstocks, spiral cases.  Mining equipment: roof supports etc.

Chemical Composition (Heat analysis in %)

 C

 Si

 Mn

 P

 S

 Cr

 Mo

 Ni

 Al

0.20max.

0.80max.

1.70max.

0.020max.

0.015max.

1.50max.

0.70max.

1.50max.

0.015max.

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

Longitudinal

Transverse

40 J

30 J

30 J

27 J

S690QL

Longitudinal

Transverse

50 J

35 J

40 J

30 J

30 J

27 J

S690QL1

Longitudinal

Transverse

60 J

40 J

50 J

35 J

40 J

30 J

30 J

27 J

 
 
 
 
 
 
 
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