steelprices EN10025-6 S550Q 1.8924 steel plate

Our gangsteel S550Q Main Application:EN100256|S460Q|S460QL|S460QL1|S500Q|S500QL|S500QL1|S550Q|S550QL|S550QL1|S620Q|S620QL|S620QL1|S690Q|S690QL|S690QL1|S890Q|S890QL|S890QL1|S960Q|S960QL|S960QL1| is Widely Used In Construction of Bridges, Riveted, Bolted, And Other Structural Elements Included Drilling Machine, Power Shovel, Electricity Drive Wheel Counter- Mine Trolley, Mineral Product Automobile, Excavator, Car Loader.

steelprice EN10025-6 S550Q 1.8924 steel plate

For alloy steels, the primary two digits of the SAE system describe the main alloying elements present in the materials, the first digit giving the alloy group. For example the 43XX collection steels include 1.sixty five–2.00 % Ni, 0.50–0.eighty % Cr and 0.20–0.30 % Mo, together with composition ranges for manganese and silicon and maximums for sulfur and phosphorus. Additional letters added between the second and third digits embody “B” when boron is added (between 0.0005 and 0.003 %) for enhanced hardenability, and “L” when lead is added (between 0.15 and 0.35 %) for enhanced machinability. The prefix “M” is used to designate merchant quality steel (the least restrictive high quality descriptor for warm-rolled metal bars used in noncritical elements of buildings and machinery). The prefix “E” (electric-furnace steel) and the suffix “H” are mainly applicable to alloy steels. 1 INTRODUCTION TO COMPARING WORLD STEEL STANDARDS Myth and Methodology When Comparing Steel Standards When comparing steel standards from completely different nationwide and international commonplace development organizations , there isn’t any such thing as equivalent steel requirements. At finest, one might be able to group comparable steel requirements collectively based on some outlined set of rules, which has been carried out on this handbook.
what does a high yield strength mean EN10025-6 S550Q 1.8924 steel plate
four.three.2 In the case of metals or alloys which might be usually identified or specified by mechanical properties, such properties and limits thereof should be reported. Only those chemical parts and limits, if any, that are significant in defining such supplies want be reported. four.4 Requests for brand new numbers shall be submitted on “Application for UNS Number Assignment’’ varieties (see Fig. 1 and Fig. 2). Copies of those can be found from any UNS numberassigning office or facsimiles may be manufactured from the one herein.

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(Obviously gold is not going to be used in the same “tonnages’’ as sizzling-rolled steel.) Different standardizing teams use different criteria to define the standing that a cloth has to achieve earlier than a normal number will be assigned to it. A UNS quantity is not going to ordinarily be issued for a fabric that has simply been conceived or that is still in solely experimental trial. chrome steel, n—a metal that conforms to a specification that requires, by mass %, a minimum chromium content material of 10.5 or more, and a most carbon content material of lower than 1.20. steel, n—a fabric that conforms to a specification that requires, by mass %, extra iron than another component and a most carbon content of typically lower than 2.

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

S550Q steel plate is a hydroelectric steel plate, which is a low-alloy high-strength steel plate. It is a German standard steel plate. It has the characteristics of high yield and more strengthening alloy elements.
Mechnical property for EN 10025-6 S550Q High strength steel:

Thickness (mm)


≥ 3 ≤ 50

> 50 ≤ 100

> 100

Yield strength (≥Mpa)




Tensile strength (Mpa)




2. Delivery status: delivery in quenched and tempered quenched and tempered state.
It is also possible to add flaw detection standard requirements, flaw detection level requirements, Z-direction performance requirements, requirements for adding special alloy elements, etc., but it needs to be communicated between the supplier and the buyer and indicated in the contract.

3. Executive standard: WYJ (Wugang Technology Research and Development Association Standard)

4. The chemical composition of S550Q steel plate (melting analysis)
Chemical composition % of the Product analysis of grade EN 10025-6 S550Q (1.8904)

































C: <=0.22
Si:<=0.86 Si:<=1.80 P:<=0.030 S:<=0.017
N: <=0.0060
Cu: <=0.55
Mo:<=0.74 Cr:<=1.60 V:<=0.14 Nb:<=0.07
Ti: <=0.07
B: <=0.0060
Ni: <=2.10
5. Mechanical properties of S550Q steel plate:
Yield strength Tensile strength Elongation%

6. What is EN 10025-6 QT S550Q STEEL?
EN 10025-6 QT S550Q STEE also named as S550Q high strength low alloy steel plate under steel stand EN 10025-6 which is for hot rolled structural steels with high yield strength and tensile strength in quenched and tempered delivery condition.Quenching operation which consists of cooling a ferrous steel plate more rapidly than in still air.

Tempering heat treatment applied to a ferrous steel plate generally after quench hardening or other heat treatment to bring the properties to the required level.S550Q shall be done low temperature impacting test under minus 20 centigrade.


nitriding, n—introducing nitrogen into a solid steel object by holding it at a suitable temperature in touch with a nitrogenous setting. normalizing, n—heating a metal object to an acceptable temperature above the transformation range after which cooling it in air to a temperature substantially under the transformation vary. overaging, n—getting older beneath circumstances of time and temperature higher than those required to obtain maximum change in a sure property, so that the property is altered away from the utmost. overheating, n—heating a steel object to such a excessive temperature that extreme grain progress occurs. DISCUSSION—Unlike burning, it might be possible to restore the unique properties/microstructure by further heat treatment or mechanical working, or a mix thereof.

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We export EN10025-6|S460Q|S460QL|S460QL1|S500Q|S500QL|S500QL1|S550Q|S550QL|S550QL1|S620Q|S620QL|S620QL1|S690Q|S690QL|S690QL1|S890Q|S890QL|S890QL1|S960Q|S960QL|S960QL1|Carbon-Structural-Steel-Plate|High-Strength-Structural-Steel-Plate|Carbon-Steel-plate|Structural-Steel-Plate
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Gangsteel factory S550Q Steel Standard :EN10025-6,ASTM-A578/A578M,ASTM-A435/A435M,EN10160
Our Rolling Size: Thickness*Width*Length 3-600mm*1220-4200mm*5000-18000mm
UT (Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing),CR��Control Rolled����NR��Normalizing Rolled���� N(Normalized), Q+T(Quenched and Tempered), Z Direction Test(Z15,Z25,Z35) , Charpy V-Notch Impact Test(-20��,-40��), HIC test, NDT , PWHT( Simulated Post Weld Heat Treatment),NACE0175,The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.
Relative grade of EN10025-6:

With this primary methodology in place, the following is a list of the comparison rules that were established to provide this handbook. being quenched is faraway from the quenching medium while the thing is at a temperature substantially higher than that of the quenching medium. isothermal annealing, n—austenitizing a metal object and then cooling it to, and holding it at, a temperature at which austenite transforms to a ferrite-carbide aggregate.

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In most circumstances the letter is suggestive of the household of metals identified; for instance, A for aluminum, P for precious metals, and S for stainless steels. 2.2 Whereas a number of the digits in certain UNS number groups have special assigned meaning, each series is independent of the others in such significance; this follow permits larger flexibility and avoids sophisticated and lengthy UNS numbers. recrystallization annealing, n—annealing a cold-labored steel object to supply a new grain construction with no change in section. recrystallization temperature, n—the approximate minimal temperature at which recrystallization of a chilly-labored steel object happens within a specified time. secondary hardening, n—the hardening phenomenon that happens throughout high-temperature tempering of certain steels containing one or more carbide-forming alloying elements. selective heating, n—intentionally heating only certain parts of a metal object. selective quenching, n—quenching solely sure portions of a metal object.

  • Table numbers ending within the letter A designate that it was the primary criterion used for comparison, whereas table numbers ending with the letter B were “mirrored” from the A tables.
  • For example, ASTM A 958 Grade SC 4330 has one chemical composition, but has thirteen totally different strength classes primarily based on heat treatment .
  • In this manner, the user must first think about the information within the A table, then see how well the data in the B desk match the steels which are being in contrast.
  • Using knowledge discovered on this handbook is just one step to find suitable comparable steel for the meant utility.

For conformance purposes, this calculated worth for iron is in contrast on a person basis to the mean values permitted by the specification for each of the other parts having a specified vary or a specified maximum. Some chromium-containing steels may include greater than 2 % carbon; however, 2 % carbon is generally considered to be the demarcation between metal and cast iron. In summary, if strict technical comparison is made to this kind of knowledge, no relationships or no associations between the assorted grades of metal could be established, which would serve no objective. However, as much as methodology and guidelines have been essential in making ready this handbook, there have been many instances the place they’d not cowl each variable and circumstance. Therefore, troublesome comparison choices as these described beforehand had to be made. There were literally tons of, if no more than a thousand, such selections made in this handbook.

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Knowing that a steel is non-comparable may be just as essential as knowing that there are comparative steels. Otherwise, valuable time might be wasted looking for one thing that doesn’t exist. All steel grades within the listed requirements on this handbook are either designated as comparable or non-comparable to assist the person in finding knowledge. There are many opportunities to make technical errors which will lead to inappropriate metal comparisons. For example, when comparing stainless steels there are many technical selections to make since it isn’t widespread to seek out similar chemical compositions within requirements from different international locations. Table 1.four shows an inventory of comparative Cr-Ni-Mo wrought austenitic stainless steels from the USA, Japan, and European Union. Note the differences within the Cr, Ni, and Mo contents amongst all of the requirements and the N limit in the EN standard.

Gangsteel trade item:
1.Payment Item: T/T,L/C
2.Trade Terms:CIF,FOB,CFR,CNF
3.Delivery Time: 10-30days
4. Steel Services: Cutting, Painting, shot blasting, Pretreatment, and The Third Party Inspection in DNV,BV, LR, GL, ABS, CCS , CE Mark, TUV, ISO, and others in super thick steel plate.
5.Packaging Details: Standard export seaworthy packing or as required.
6.Loading Port:Shanghai ,Tianjin, Qingdao.
7.Offer Ability:5000MT/Per Month.
8.MOQ:1 Pcs.