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S690QL high yield structural steel plate

Suzhou Vanforge Metals Co., Ltd.
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S690QL high yield structural steel plate

Brand Name : VANFORGE

Certification : ISO9001:2015, ABS, BV, CCS, DNV GL, NKK

Place of Origin : China

MOQ : 5 metric tons

Payment Terms : L/C, T/T

Supply Ability : 3000 metric tons per month

Delivery Time : 15 days

Packaging Details : Standard seaworthy packing for export

Material : Low alloy steel

Process : Hot rolled

Shape : Flat plate

Surface treatment : Plain and smooth

Length : Up to 12000mm

Price : Negotiable

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Description

S690 steel is a structural steel with a minimum yield strength of 690 MPa depending on thickness. It meets the requirements of EN 10025-6 for the S690 grade and thicknesses. Typical applications include demanding load-bearing structures.

S690QL steel is available in plate thicknesses of 4 – 160 mm, while S690QL1 is available in plate thicknesses of 4 – 130 mm.

Benefits include:

  • Superior bendability and surface quality
  • Weldability with excellent HAZ strength and toughness
  • Exceptional consistency within a plate guaranteed by close tolerances
  • High impact toughness which provides for good resistance to fractures

Dimension Range

S690QL is available in plate thicknesses of 4 – 160 mm and S690QL1 is available in plate thicknesses of 4 - 130 mm. Both grades are available in widths up to 3350 mm and lengths up to 14630 mm depending on thickness.

Mechanical Properties

Thickness

(mm)

Yield strength Rp0.2

(min MPa)

Tensile strength Rm

(MPa)

Elongation A5

(min %)

4.0 - 53.0 700 780 - 930 14
53.1 - 100.0 650 780 - 930 14
100.1 - 160.0 650 710 - 900 14

For transverse test pieces.

Impact Properties

Grade Min transverse test, impact energy, Charpy V 10x10 mm tests specimens (1)
S690QL 69J/ -40 ºC
S690QL1 27J/ -60 ºC
  1. Unless otherwise agreed, transverse impact testing according to EN 10025-6 option 30 will apply. For thicknesses between 6 - 11.9 mm, sub-size Charpy V-specimens are used. The specified minimum value is then proportrional to the cross-sectional area of the specimen compared to a full-size specimen (10 x 10 mm).

Chemical Composition (ladle analysis), %, max

C Si Mn P S Cr Cu Ni Mo B
0.20 0.60 1.60 0.020 0.010 0.80 0.30 2.0 0.70 0.005

The steel is grain refined.

Thickness

Tolerances meet the requirements of EN 10029 Class A, but offers narrower tolerances.

Length and Width

Tolerances conform with EN 10029.

Shape

Tolerances according to EN 10029

Flatness

Tolerances according to EN 10029 Class N.

Surface Properties

According to EN 10163-2 Class A, Subclass 3.

Delivery Conditions

The delivery condition is Q+T (Quenched and Tempered). The plates are delivered with sheared or thermally cut edges. Untrimmed edges after agreement.

Fabrication and Other Recommendations

Welding, bending and machining

S690QL steel and S690QL steel has obtained its mechanical properties by quenching and subsequent tempering. The properties of the delivery condition cannot be retained after exposure to temperatures in excess of 580 ºC.

Appropriate health and safety precautions must be taken when welding, cutting, grinding or otherwise working on this product. Grinding, especially of primer coated plates, may produce dust with a high particle concentration.

Specification

Plate thickness: 4-100mm

Width: 500mm – 4700mm

Length: On request

Production process

S690QL high yield structural steel plate


Product Tags:

hr steel plate

      

hardened steel plate

      
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