What is en s690ql1 equivalent grade

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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In order to make sure that the tensile energy of the weld metal fulfils the requirements of the bottom steel, the heat enter and interpass temperature must be restricted throughout welding. Experience has shown that the welding circumstances should be chosen in order that the cooling time t8/5 does not exceed 20 seconds.

s690ql1 high strength steel

Due to superior carrying properties these lowers the concern of harm to machinery and ensures the identical wear efficiency for every use. Even for thicker plates of S460M preheating may be omitted and thus welding costs decreased.

DILLIMAX 690 is a excessive energy quenched and tempered, nice grained structural steel with a minimum yield power of 690 MPa 2) in its delivery condition . Its mechanical properties are achieved by water quenching followed by tempering. DILLIMAX 690 is a high strength quenched and tempered, fine grained structural steel with a minimal yield energy of 690 MPa in its delivery situation . We current the experimental-numerical evaluation of the affect of temperature on mechanical properties of structural excessive-strength steel class S690QL. Since the metal S690QL belongs to a bunch of steels with good mechanical properties, the goal of this paper is to determine the very best temperatures at which these good traits are kept.

If a stress relieving heat treatment is planned during or after plate processing, this must even be thought-about when selecting the filler materials. To keep away from hydrogen-induced cold cracking, solely filler supplies, which add very little hydrogen to the bottom metallic, may be used. because the welding heat enter enhance as much as 30.9kJ/cm, the modifications of microstructure and impact toughness were small.

ultra en 10025-6 s690ql1 strength steel plate

The advantages that the S690QL steels have with respect to other steels are being introduced right here. However, potentialities for application of those steels in responsible welded constructions are restricted as a result of their solely comparatively good weldability. The special procedures for enhancing it are discussed here, primarily preheating, controlled warmth input during welding and extra warmth treatment of the welded joint.

What is en s690ql1 equivalent grade

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 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

Experimental tensile testings of the specimens were carried out at 5 totally different temperatures in the range from 20 to 550°C. Beside experimental testing, strengthening curves were calculated and numerical evaluation using finite factor method was performed. Both the experimental and numerical outcomes have proven that decrease of mecahanical properties happens at roughly 450°C.

In order to assist the producers in simply buying the plates in bulk, they’re supplying it at factory rates. b) The extra powerful grade E in accordance with this data sheet is just obtainable as much as a plate thickness of 200 mm. The high yield energy of the bottom materials should be taken into consideration when choosing the filler materials. It ought to be considered that increased warmth input leads to decrease tensile properties in the weld metal.

• as a result of the welding heat enter enhance as much as 30.9kJ/cm, the adjustments of microstructure and influence toughness have been small.
• Even for thicker plates of S460M preheating may be omitted and thus welding costs decreased.
• Due to superior sporting properties these lowers the worry of injury to equipment and ensures the identical wear performance for every use.
• In Europe the structural steel specification EN features a vary of extreme strength quenched and tempered steel grades and the designation S690QL presents the parameters for steel with a minimal yield power of 690 MPa.
• At the heat input of forty 4.8kJ/cm, nevertheless, toughness decreased clearly due to the coarsening of coarse-grained HAZ and formation of ferrite at bainite grainboundary of weld metallic.

We have a big stock of excessive yield metal plates for engineering functions. The high yield plates are S690QL and S690QL1 to EN with extra stocks with yields at S890QL, S960QL and S1100QL.

The least yield power makes these plates extraordinarily powerful and makes use of worthy. The grain construction of these plates relieves internal stress and imparts yield energy. The weldability of the plates is done EN10025-6 S690QL1 by way of conventional welding methods. The plates exhibit superior machinability, due to this fact these are drilled, cast, reduce and flanged with easy ease.