used cheap steel 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.

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shell hardening, n–a floor hardening course of during which a suitable metal object, when heated via and quench hardened, develops a martensitic layer or shell that carefully follows the contour of the piece and surrounds a core of basically pearlitic transformation product. DISCUSSION–Such limits are sometimes expressed as a perform of the carbon and nitrogen contents. Resistance to sensitization to intergranular corrosion is dependent upon the corrosivity of the surroundings. The condition of being stabilized with respect to sensitization is incessantly demonstrated by passing one or more commonplace corrosion exams for sensitization.

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NOTE 2–The phrases “business standing,” “manufacturing usage,” and others are intended to portray a material in energetic industrial use, although the actual amount of such use will depend, amongst other things, upon the kind of supplies. (Obviously gold will not be used in the identical “tonnages” as scorching-rolled steel.) Different standardizing teams use totally different standards to define the standing that a cloth has to attain before a regular quantity shall be assigned to it. A UNS number will not ordinarily be issued for a cloth that has simply been conceived or that’s nonetheless in only experimental trial. DISCUSSION–The iron content requirement just isn’t usually acknowledged in the specification and is not normally determined by chemical analysis, however is taken to be 100 % minus the sum of the imply values permitted by the specification for all different components having a specified vary or a specified most. For conformance purposes, this calculated worth for iron is compared on a person foundation to the imply values permitted by the specification for every of the opposite parts having a specified vary or a specified most. Some chromium-containing steels could contain more than 2 % carbon; nevertheless, 2 % carbon is usually considered to be the demarcation between metal and cast iron.

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case hardening, n–a generic term covering any of a number of processes relevant to metal that change the chemical composition or microstructure, or each, of the surface layer. stainless-steel, n–a steel that conforms to a specification that requires, by mass percent, a minimal chromium content of 10.5 or extra, and a most carbon content material of less than 1.20. metal, n–a cloth that conforms to a specification that requires, by mass percent, more iron than another component and a most carbon content of typically lower than 2. DISCUSSION–The warmth evaluation limits which might be permitted to be prescribed in interstitial-free metal specifications are as given in the definition for carbon metal, except that the 0.050 % most limit for titanium doesn’t apply. There are many opportunities to make technical errors that will result in inappropriate metal comparisons.

  • cycle annealing, n–annealing using a predetermined and intently controlled time-temperature cycle to supply specific properties or a selected microstructure.
  • cyaniding, n–introducing carbon and nitrogen right into a stable metal object by holding it above Ac1 in touch with molten cyanide of suitable composition.
  • crucial cooling fee, n–the slowest rate of continuous cooling at which austenite may be cooled from above the transformation vary to prevent its transformation above M s.

4.4 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 made from the one herein. SUMMARY OF CHANGES Committee A01 has recognized the placement of selected modifications to this commonplace because the final problem (A 941 ­ 01) which will impact the usage of this standard. Revised the definition for warmth evaluation by including a dialogue section in three.1. temper brittleness, n–brittleness that results when certain steels are held inside, or are cooled slowly by way of, a sure vary of temperature under the transformation range. tempering, n–reheating a quench hardened or normalized metal object to a temperature beneath Ac1, after which cooling it at any desired price. thermochemical therapy, n–a heat treatment carried out in a medium suitably chosen to supply a change within the chemical composition of the metal object by trade with the medium. time quenching, n–interrupted quenching in which the length of holding within the quenching medium is managed.

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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:

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For example, the UNS prefix letter for carbon and alloy steels is “G,” and the first 4 digits are the SAE designation, for example, SAE 1040 is UNS G10400. Carbon and alloy steels not referred to in the SAE system are categorized underneath the prefix letter “K.” Knowing that a metal is non-comparable can be simply as essential as figuring out that there are comparative steels. Otherwise, valuable time could possibly be wasted looking for something that does not exist. All metal grades inside the listed standards on this handbook are either designated as comparable or non-comparable to assist the person in finding information. recrystallization annealing, n–annealing a chilly-labored steel object to provide a brand new grain construction and not using a change in phase.
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It additionally has close liaisons with European commerce and professional organizations. The principal task of CEN is to arrange and problem European standards , defined as a set of technical specifications established and approved in collaboration with the events involved in the various member international locations of CEN. They are established on the principle of consensus and adopted by the votes of weighted majority. Adopted requirements should be carried out of their entirety as nationwide standards by each member country, whatever the way during which the nationwide member voted, and any conflicting nationwide standards should be withdrawn. The identification of European standards in each member nation begins with the reference letters of the nation’s national standards body, for instance, BS for BSI in the United Kingdom, DIN for DIN in Germany, NF for AFNOR in France, and so forth. It is followed by the initials EN and a sequential variety of up to five digits.
hardenability, n–the property that determines the depth and distribution of hardness induced by quenching a metal object. hardening, n–increasing the hardness by suitable therapy, normally involving heating and cooling. certifying organization, n–in product specs, the entity responsible for the conformance and certification of the product to the specification requirements.

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.


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However, if strict technical comparison guidelines had been applied, Grade SCNCrM 2 could be rejected primarily based on its higher manganese content when evaluating it to SC 4330. In that case, SC 4330 can be rejected since it will not have a comparative metal .

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.