s690ql1 chemical composition

Gangsteel supply EN 10025-6 S690QL1 steel plate and we also had S690QL1 stock list thickness from 5mm to 300mm.We also can provide VL, ABS, BV 3.2 certificate for ship project.
EN10025-6 S690QL1 is Alloy special steel with specified minimum values of impact energy at temperatures not lower than -60 °C.

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Obtained values of the influence toughness are analyzed in correlation with a microstructure in particular zones of the welded joint, along with the micro hardness distribution found in the related zones. Based on the carried out analysis and outcomes obtained in experiments, the utilized expertise of welding was evaluated. The authentic conclusions on influence of the chosen welding procedure guide metallic arc for the root passes and metal lively fuel for the filling and masking passes) on impact toughness of the excessive-strength low-alloyed steels are drawn. The paper also presents discussion on the valid standards and proposals associated to welding of those steels, from the aspect of purposes in design of metal welded constructions.

• The metal is designed to offer glorious welding and bending properties and it presents substantial prospects for financial savings in material prices, processing and handing.
• A method of warmth treatment for alleviating this downside is called tempering and requires the quenched metal to be re-heated although this time to under the decrease crucial temperature.
• Unfortunately the metal in this situation can be very brittle and it is not attainable to make use of it in many applications.
• S690QL A excessive strength structural steel equipped in quenched and tempered situation.
• This method of cooling, generally known as quenching, induces a metamorphosis in the crystalline construction of the metal which leaves it much tougher.
• The result is to place toughness and ductility again in to the metal and, though a few of the yield power of the quenched metal is misplaced, the end results of the quenching and tempering process is to provide a strong steel which can be straightforward to weld, bend, and fabricate usually.

Owing to this they can be used in processes and activities similar to cranes, buildings, pipes and gates in hydroelectric initiatives. If a stress relieving has to be thought-about due to constructional laws, constructive causes or as a result of it is necessary for plate processing, please consult us. The properties of structural elements could be altered by a stress relief heat treatment. In order to ensure that the tensile power of the weld metallic fulfils the necessities of the bottom steel, the warmth enter and interpass temperature should be restricted throughout welding.

The collection is pivotal because it controls the vast majority of steel-body-constructed buildings inside the EU. This half offers with flat merchandise of high yield power structural steels in the quenched and tempered situation.

Vertical and longitudinal cumulative plastic strains produced bend-down and slight bend-up angular distortion, respectively. The major bend-up angular distortion was induced by xy-aircraft shear cumulative plastic strain, which has not been considered as a reason for angular distortion in fillet welded T-joints. The basic issues associated to electrical resistance brazing of varied metals were thought of in this paper.

QT s690ql1 BV approval steel plate

The new standards is EN 10025-6: 2004 Hot rolled products of structural steels. Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
The old standard is 10137-2: 1996 Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions. Delivery conditions for quenched and tempered steels

Equal Grade OF S690QL1 STRUCTURAL STEEL PLATE

GRADE	S690QL EN10137-2 EN10025-6:2004	A709-100	TStE690V DILLIMAX 690 NAXTRA 70	E690T E690TFP S690T	FeE690VKT	2625 WELDOX 700	E690	JFE HITEN 780LE	ALFORM 700
STANDARDS	EN	ASTM	DIN , WNr	AFNOR/ NF A36- 204	EN	SS	ISO 4952	JIS
COUNTRY	EUROPE	USA	GERMANY	FRANCE	EUROPEAN (OLD)	SWEDON	INTER	JAPAN	AUSTRIA

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Chemical OF S690QL1 STRUCTURAL STEEL PLATE

C	Si	Mn	P	S	B	Cr	Cu	Mo
0.20	0.80	1.70	0.020	0.010	0.005	1.50	0.50	0.70
N	Nb*	Ni	Ti*	V*	Zr*
0.015	0.06	2.0	0.05	0.12	0.15

En S690QL1 Structural Steel Plate Specification :
Thickness : 12 – 300mm
Width : 1500 – 3500mm
Length : 3000 – 18000mm
Grade : S690QL EN10137-2 EN10025-6:2004, A709-100, DILLIMAX 690, NAXTRA 70, E690T E690TFP S690T, FeE690VKT, WELDOX 700, ALFORM 700

S690QL1 is a tempered and weldable fine grained steel. yield point: >690 N/mm² application: welded steel constructions of various types, e.g. bridges and load-carrying constructions as well as transport vehicles, lifting and earthmoving machines. application limits: at -60°C is warranted a notch impact energy of 30 J (longitudinal test specimen) cold formability: for nominal size < 16 mm bending radius in transversal direction 3xs in longitudinal direction 4xs (s= nominal thickness) hot forming property: allowed only for stress relieve annealing temperature (max. 580°C) suitability for welding: Steel is weldable according to the common welding methods (EURONORM-INFORMATION Nr. 2 has to be considered)

Property of OF S690QL1 STRUCTURAL STEEL PLATE

Plate Thickness	Yield Strength	Tensile Strength	Elongation	Impact Strength
MM	ReH (MPa)	Rm (MPa)	A5 % Minimum	J, Minimum
3 to 50	690	770 – 940	14	30 @ -40º C
> 50 to 100	650	760 – 930	14	30 @ -40º C
> 100 to 150	630	710 – 900	14	30 @ -40º C

S690QL1 is a tempered and weldable fine grained steel. yield point: >690 N/mm² application: welded steel constructions of various types, e.g. bridges and load-carrying constructions as well as transport vehicles, lifting and earthmoving machines. application limits: at -60°C is warranted a notch impact energy of 30 J (longitudinal test specimen) cold formability: for nominal size < 16 mm bending radius in transversal direction 3xs in longitudinal direction 4xs (s= nominal thickness) hot forming property: allowed only for stress relieve annealing temperature (max. 580°C) suitability for welding: Steel is weldable according to the common welding methods (EURONORM-INFORMATION Nr. 2 has to be considered)

 NOTCH IMPACT TESTING OF S690QL1 STRUCTURAL STEEL PLATE

Grade	Sample Orientation	@ 0°C	@-20°C	@-40°C	@-60°C
S690 QL1	Longitudinal	60 J	50 J	40 J	30 J
	Traverse	40 J	35 J	30 J	27 J

Description by Manufacturer

Sell: S690Q, S690QL, S690QL1, S890Q, S890QL, S890QL1, S960Q, S960QL, S620Q, S620QL, S620QL1, S550Q, S550QL, S550QL1, S500Q, S500QL, S500QL1, S460Q, S460QL, S460QL1, Steel plate, EN 10025-4

EN 10025-6 steel grade specification is a high yield strength structural steels in the quenched and tempered condition steel plate grade in S500QL, S500QL1, S460Q, S460QL, S460QL1, S620QL1, S550Q, S550QL, S550QL1, S500Q, S890QL1, S960Q, S960QL, S620Q, S620QL, S690Q, S690QL, S690QL1, S890Q and S890QL steel plate grade.

1. Steel Grade : S690Q, S690QL, S690QL1, S890Q, S890QL, S890QL1, S960Q, S960QL, S620Q, S620QL, S620QL1, S550Q, S550QL, S550QL1, S500Q, S500QL, S500QL1, S460Q, S460QL, S460QL1.

2. Dimension(T*W*L) : Thickness: 6mm to 300mm ; Width: 1500mm to 4020mm ; Length: 4000mm to 18000mm

3. Adopt Standard: EN 10025-6.

4. Heat Treatment:
Hot Rolled, CR, Normalized, Quenched, Tempering, TMCP, Electroslag Remelting Technical.

5. Steel Services: Cutting, Painting, Ball blast, Pretreatment and the Third party in section in DNV, BV, LR, GL, ABS and CCS in super thick ship steel plate

6. Payment Item: 30% TT, or LC and TT

7. Trade Terms: FOB, CFR, CIF

8. Delivery Time: 30-40days

The new standards is EN 10025-6: 2004 Hot rolled products of structural steels. Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
The old standard is 10137-2: 1996 Plates and wide flats made of high yield strength structural steels in the quenched and tempered or precipitation hardened conditions. Delivery conditions for quenched and tempered steels

The technical know-how acquired by Industeel puts us in a position to optimize our merchandise for each application. The result is a excessive-finish range of metal products for the world market and the capacity to find innovative solutions to new problems you might encounter. The quenched and tempered metal combines excessive yield power and toughness and are used for the construction of stationary and cellular equipment subjected to heavy masses. The PDA process additionally supplied the quantitative relationship between six cumulative plastic pressure components and angular distortion of fillet welded T-joints. Transverse cumulative plastic pressure-inducing transverse shrinkage generated bend-down angular distortion, which was completely different from what has been understood.

en 10025-6 s690ql1 strength steel sheet

The metal is designed to offer excellent welding and bending properties and it presents substantial prospects for financial savings in material prices, processing and handing. Due to its high energy, it permits design of lighter, extra durable and efficient products and constructions.

In this respect we recommend you to contact the metal producer prior to ordering, in all circumstances where hot forming is required. The whole processing and utility techniques are of elementary importance to the reliability of merchandise produced from this steel. The consumer ought to be sure that his design, construction and processing strategies EN10025-6 S690QL1 are aligned with the material, correspond to the state-of-the-artwork that the fabricator has to comply with and are appropriate for the intended use. Tensile and impression exams shall be performed based on EN once per warmth and 40 t. The take a look at items are taken and ready in accordance with part 1 and 6 of EN 10025.

What is en s690ql1 equivalent grade

Existing, very scarce and often unclear and insufficient recommendations for choice of the optimal welding know-how are one of many causes of large variety of flaws in welded joints. Mentioned problems, in addition to others, could be efficiently solved by correct number of the procedure, filler metal and expertise of welding, verified by experiments carried out in laboratory or in real working situations.

The first downside considered is that of the direct corrosion of metal structural elements and the influence of surroundings on enhancing that sort of corrosion, as well as measures that should be taken for its prevention. To regain the preliminary properties new quenching and tempering turn into essential. However, water quenching of a fashioned workpiece or component will typically be much less efficient than the unique quenching in the plate mill so that the fabricator might not be able to reestablish the properties required and therefore hot forming is probably not appropriate.