St 690 Steel
S690Q Standard: EN 10025-6:2004, European standard for hot-rolled structural steel. Part 6 – Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Gangsteel produced and export EN10025-6 high strength S690Q steel plate, We had min 1000tons stock for high strength S690Q equal grade and we also provide the cutting service with cnc, water cutting or laser cutting. Related keywords:en s690q,en 10025 s690ql,en 10025-6 s690q,en 10137 2 grade s690q,en 10025-6 s690ql equivalent astm,s690ql en 10025,s690q en 10025-6,en 10025 s690ql1,s690q en 10137-2,en 10137-2 s690ql,s690ql en 10025-6,en 10025 s690q,en 10025 steel,en 10025-s355j2men 10025-2 s355jr,en 10025 astm equivalent,en 10025-6 s690ql,en 10025 s690ql,en 10025 steel equivalent,en 10025 s355k2g4,en 10025-6 s690ql equivalent astm,en 10025-6 s690q,bs en 10025-6-s690ql,acero en 10025-6 s690ql,en 10025 s690ql1,en 10025 p 6 2004 s690ql,en 10025-1 equivalent,ss-en 10025-6 s690ql and en 10025-6 grade s690ql.
Existing, very scarce and sometimes unclear and inadequate suggestions for selection of the optimal welding know-how are one of many causes of large variety of flaws in welded joints. Mentioned issues, as well as others, can be successfully solved by correct selection of the procedure, filler metallic and technology of welding, verified by experiments conducted in laboratory or in actual working conditions. Thus, partially because of results reported on this paper, technologists will acquire the likelihood to foretell prematurely, in a really quick time period, the mechanical and metallurgical properties of joints of this class of high power steels. This shall be attainable without conducting the big variety of sensible exams or relying on personal expertise of a designer.
This methodology of cooling, often known as quenching, induces a transformation in the crystalline construction of the metal which leaves it a lot harder. Unfortunately the steel in this condition can be very brittle and it is not attainable to use it in many applications.
- The metal is designed to supply wonderful welding and bending properties and it presents substantial possibilities for financial savings in material prices, processing and handing.
- DILLIMAX 690 is a excessive strength quenched and tempered, nice grained structural metal with a minimal yield energy of 690 MPa in its delivery situation .
- Its mechanical properties are achieved by water quenching followed by tempering.
- High strength steels belong into a bunch of top of the range steels, with distinctive mechanical properties, particularly with regard to tensile power.
- S690QL A excessive strength structural steel equipped in quenched and tempered situation.
- Due to its high energy, it allows design of lighter, extra durable and efficient products and constructions.
For the steel grades S420 and S460 the minimal bend radius is four times t with the axis of the bend in the transverse path and 5 occasions t in the longitudinal direction. It can be seen that these excessive-strength steels present significantly greater Charpy-V values at the testing temperature than given in the usual (27 J at -50°C and 30 J at -forty°C respectively). Even at room temperature the toughness behaviour is best EN10025-6 S690Q steel plate supplier than for a conventional S355J2. These excessive toughness values also end in good welding properties as described under. Roughly speaking throughout step one a “sturdy” martensitic or baintitic grain structure is obtained whose toughness properties are significantly improved in the course of the tempering process.
Besides it was additionally discovered that V-grooved edge preparation has higher mechanical properties as in contrast with straight edge preparation underneath the identical circumstances. Microstruc-tural examinations carried out revealed that the cooling price in several media has significant effect on the microstructure of the weldment.
DIN EN S690Q /S690QL/S690QL1 Condition of Delivery Water quenched and tempered. Typical Applications Heavy road vehicleschassis, dumper bodies. Cranes constructionbooms of mobile cranes. Structural steelworksbridges, bridge components, components for offshore structures. Pressure vesselsfixed and transportable storage tanks, vessels.S690Q Steel Plates Manufacturer in China, S690Q Steel The S690Q grade is austenitic in nature suitable for heavy engineering works. Plus, it has good formability and weldability property. Plates are both magnetic and non magnetic in nature. It serves good resistivity towards crevice and pitting cracking subjected to impact loads.S690QL Plate, S690QL Steel Plates, S690QL Quenched and What is S690QL Steel Plate Legally certified industry Rexton steel & alloys are busy in supplying the excellent and desirable quality of S690QL PLATES globally. They are fully focusing on offering clients with the top notch quality of plates and other essential services.
En10025 6 S690q Steel Property
S690Q steel is used in structures subject to extreme loadsmining and heavy construction equipment, crane equipment, offshore drilling platforms, supporting structures for wind turbines, bridges and trestles.Plates of S690Q steel grade MetinvestS690Q structural high strength steel with minimum yield strength of 690 MPa supplied in quenched and tempered condition (Q). Plates of S690 steel grade comply with EN 10025 6 standard.S690Q / 1.8931 SteelNumber Chemical composition S690Q Number1.8931 ClassificationAlloy special steel with specified minimum values of impact energy at temperatures not lower than 20 °C StandardEN 10025 62004 Hot rolled products of structural steels. Technical delivery conditions for flat products of high yield strength structural steels in the quenched and tempered condition
Studies On Effects Of Welding Parameters On The Mechanical Properties Of Welded Low
Experimental tensile testings of the specimens were performed at 5 completely different temperatures within the range from 20 to 550°C. Beside experimental testing, strengthening curves have been calculated and numerical evaluation using finite element methodology was performed.
The goal was to determine the weldability to have the ability to define the optimum hard-facing expertise of the thermo stable steels. The temperature cycles were measured and then the obtained values for the critical cooling time t8/5 have been entered into the CCT diagrams to estimate the hardness and microstructure of the welded joint’s zones. Experiments were performed on the multi-layered hard-faced samples made of the steel for manufacturing of the forging dies. This paper presents research of the impact toughness and hardness distribution in particular zones of a ‘single V’butt a number of-move welded joints of the high-power low-alloyed steels.
Weldability represents a really advanced property of a material that exhibits its ability to type a welded joint of sure characteristics, by application of the sufficient welding procedure. The procedure of weldability estimate, based mostly on the transformation diagrams of continuous cooling (CCT-diagrams) and the measured temperature cycles, is offered in this paper.
References (
S690Q is stunning yield quality real steels review in the quenched and tempered. The picture S is relating steel, 690 for the base yield quality in thickness under 50mm.The Symbol Q mean the vehicle condition in secured and tempered. S690q could be through the 20-temperature impact and the significance is 30J.Definition of BS7608 fatigue classes for structural steels Concerning the oxy fuel cutting, the Loga mean test values of S355M and S690Q are lower than the corresponding Loga limit values obtained for the design class B, so class B cannot be applied strictly to S355M and S690Q with oxy fuel cut edges. Consequently, the analysis followed here provides the same fatigue class for oxy fuel cut straight Down Loadstone Supplier.Gangsteel supply high strength steel plates in S690Q,S690QL,S690QL1,S890Q,S960Q,S890QL
Equivalent Grades of EN 10025–6:2004 S690QL Steel Plate
Grade |
Standards |
Country |
S690QL EN10137-2 EN10025-6:2004 |
EN |
EUROPE |
A709-100 |
ASTM |
USA |
TStE690V DILLIMAX 690 NAXTRA 70 |
DIN, WNr |
GERMANY |
E690T E690TFP S690T |
AFNOR/ NF A36- 204 |
FRANCE |
FeE690VKT |
EN |
EUROPEAN (OLD) |
2625 WELDOX 700 |
SS |
SWEDON |
E690 |
ISO 4952 |
INTER |
JFE HITEN 780LE |
JIS |
JAPAN |
ALFORM 700 |
AUSTRIA |
mechanical properties of grade EN10025-6 S690Q
|
Minimum yield strength – ReH |
Tensile strength Rm |
Minimum elongation – A |
||||
Steel grade |
Nominal thickness |
Nominal thickness |
|||||
|
>3 |
>50 |
>100 |
>3 |
>50 |
>100 |
|
S690Q |
690 |
650 |
630 |
770-940 |
760-930 |
710-900 |
14 |
EN10025-6 Notch impact test.
Notch impact test – longitudinal. Minimum values of impact energy for impact tests on longitudinal V-notch test pieces for quenched and tempered steel
EN10025 S690Q Structural Steel. EN10025:6:2004 Hot Rolled S690Q, Steel Number 1.8928. 690 N/MM 2 high yield, high strength structural steel plate notch impact tested in longitudinal direction to the rolling direction at 40degree C, thus being excellent in forming and Pharmacia ita welding properties that achieve another higher level of beauty and durability in steel engineering structure. Steel Plate 2.25Cr1Mo0.25V(H) S690QSteel Plate 2.25Cr1Mo0.25V(H) Category Pressure Vessel and Boiler Steel Plate ModelWYJ046 2006 Standard Specification is for boilers and pressure vessels designed in H2 service. The dimension, shape, weight and permissible deviation shall comply with SA20/SA20M.Optimal welding technology of high strength steel S690Q For the S690Q L steel, the recommended . preheating temperature should be 150
Temperature °C |
-20 |
0 |
|
Min. absorbed energy |
40 |
50 |
Notch impact test – transverse. Minimum values of impact energy for impact tests on transverse V-notch test pieces for quenched and tempered steel, when the impact test on transverse test pieces is agreed at the time of the order.
Temperature °C |
-40 |
-20 |
0 |
Min. absorbed energy |
27 |
30 |
35 |
The tables below show the chemical composition of grade EN10025-6 S690Q
|
Ladle analysis. |
||||||||||||||||||
Steel grade |
C |
Mn |
Si |
P |
S |
B |
Nb |
V |
Ti |
Cr |
Mo |
Ni |
Cu |
Mo |
N |
Zr |
CEV |
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
≤50 |
>50 |
>100 |
|
S690QL |
0,20 |
1,70 |
0,80 |
0,020 |
0,010 |
0,005 |
0,06 |
0,12 |
0,05 |
1,50 |
0,70 |
2,0 |
0,50 |
0,70 |
0,015 |
0,15 |
0,65 |
0,77 |
0,83 |
EN10025-6 S690Q Steel Grade Equivalent Table
European old EU 137 (1983) |
France |
Sweden |
Germany |
FeE 690 V KT |
E690T |
2625 |
TStE690V |
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 main drawback for high energy steels is hydrogen cracking or zinc penetration into the grain boundaries of the mother or father materials. Local stress concentrations or residual stresses from welding, gas chopping or cold forming will improve the risk.
The excessive power steels belong into a bunch of high quality steels. They possess distinctive mechanical properties, particularly tensile strength and toughness. Those favorable properties are being achieved by application of particular procedures of thermo-mechanical processing and simultaneous alloying with sufficient elements. 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 accountable welded constructions are restricted due to their solely comparatively good weldability.
Our S690Q is a structural steel grade and is produced to give high yield strength during usage. The material can be heat treated using quench and temper techniques. These EN 10025 6 Plates have good forming and welding properties. S690Q plates have higher payload capacity and are energy efficient, hence can be used in leaner structures.S690Q / 1.8928 SteelNumber Chemical composition Nominal thickness = 50(mm) CEV max = 0.65 Nominal thickness from 50 to 100 (mm) CEV max = 0.77 Depending on the thickness of the product and the manufacturing conditions, the manufacturer may add to the steel one or several alloying elements up to the maximum values given in order to obtain the specified propertiesEN 10025 S690QL Brown McFarlaneHigh strength quenched and tempered steel plate can be easily welded and fabricated. We often find that steel plate to EN 10025 S690QL is called different things by different engineers. Plate to this specification and grade is variously described asHigh Strength Quenched and Tempered Steel Plate. If you have requirement for high strength steel plate,please contact us by email.